{"id":30314,"date":"2026-07-21T16:27:04","date_gmt":"2026-07-21T08:27:04","guid":{"rendered":"https:\/\/www.cnspd.com\/?p=30314"},"modified":"2026-07-23T16:07:44","modified_gmt":"2026-07-23T08:07:44","slug":"network-cabinet-surge-protection-guide-for-ac-power-rj45-and-poe","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/","title":{"rendered":"Panduan Perlindungan Lonjakan Lemari Jaringan untuk Daya AC, RJ45, dan PoE"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30314\" class=\"elementor elementor-30314\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0b24210 e-flex e-con-boxed e-con e-parent\" data-id=\"0b24210\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51574d0 elementor-widget elementor-widget-html\" data-id=\"51574d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\r\n    #ly-network-cabinet-article,\r\n    #ly-network-cabinet-article * {\r\n        box-sizing: border-box;\r\n    }\r\n\r\n    #ly-network-cabinet-article {\r\n        --ly-blue: #004898;\r\n        --ly-blue-dark: #00346f;\r\n        --ly-blue-deep: #112f50;\r\n        --ly-blue-soft: #edf5fc;\r\n        --ly-bg-soft: #f7fafd;\r\n        --ly-white: #ffffff;\r\n        --ly-text: #263548;\r\n        --ly-muted: #5b6879;\r\n        --ly-line: #dbe4ed;\r\n        --ly-green: #19734a;\r\n        --ly-green-soft: #eef8f2;\r\n        --ly-orange: #c75f1d;\r\n        --ly-orange-soft: #fff5ec;\r\n        --ly-red: #ad3838;\r\n        --ly-red-soft: #fff3f3;\r\n        --ly-shadow-soft: 0 8px 24px rgba(17, 47, 80, 0.06);\r\n\r\n        width: 100%;\r\n        overflow: hidden;\r\n        color: var(--ly-text);\r\n        background: var(--ly-white);\r\n        font-family: inherit;\r\n        font-size: 16px;\r\n        line-height: 1.7;\r\n        -webkit-font-smoothing: antialiased;\r\n        text-rendering: optimizeLegibility;\r\n    }\r\n\r\n    #ly-network-cabinet-article img {\r\n        display: block;\r\n        max-width: 100%;\r\n        height: auto;\r\n    }\r\n\r\n    #ly-network-cabinet-article a {\r\n        color: var(--ly-blue);\r\n        text-decoration-thickness: 1px;\r\n        text-underline-offset: 3px;\r\n    }\r\n\r\n    #ly-network-cabinet-article a:hover {\r\n        color: var(--ly-blue-dark);\r\n    }\r\n\r\n    #ly-network-cabinet-article p,\r\n    #ly-network-cabinet-article ul,\r\n    #ly-network-cabinet-article ol,\r\n    #ly-network-cabinet-article figure {\r\n        margin-top: 0;\r\n    }\r\n\r\n    #ly-network-cabinet-article p:last-child,\r\n    #ly-network-cabinet-article ul:last-child,\r\n    #ly-network-cabinet-article ol:last-child {\r\n        margin-bottom: 0;\r\n    }\r\n\r\n    #ly-network-cabinet-article h2,\r\n    #ly-network-cabinet-article h3,\r\n    #ly-network-cabinet-article h4 {\r\n        margin-top: 0;\r\n        color: var(--ly-blue-deep);\r\n        font-family: inherit;\r\n        font-weight: 730;\r\n        line-height: 1.3;\r\n        letter-spacing: -0.018em;\r\n    }\r\n\r\n    #ly-network-cabinet-article h2 {\r\n        margin-bottom: 14px;\r\n        font-size: clamp(27px, 2.5vw, 34px);\r\n    }\r\n\r\n    #ly-network-cabinet-article h3 {\r\n        margin-bottom: 9px;\r\n        font-size: 19px;\r\n    }\r\n\r\n    #ly-network-cabinet-article h4 {\r\n        margin-bottom: 7px;\r\n        font-size: 16px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-container {\r\n        width: min(980px, calc(100% - 44px));\r\n        margin-right: auto;\r\n        margin-left: auto;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-section {\r\n        padding: 60px 0;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-section + .ly-section {\r\n        border-top: 1px solid #edf1f5;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-section--soft {\r\n        background: var(--ly-bg-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-section-head {\r\n        max-width: 760px;\r\n        margin-bottom: 26px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-section-head p {\r\n        margin-bottom: 0;\r\n        color: var(--ly-muted);\r\n        font-size: 16px;\r\n        line-height: 1.68;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-kicker {\r\n        display: inline-flex;\r\n        align-items: center;\r\n        gap: 8px;\r\n        margin-bottom: 11px;\r\n        color: var(--ly-blue);\r\n        font-size: 11px;\r\n        font-weight: 780;\r\n        line-height: 1.3;\r\n        letter-spacing: 0.1em;\r\n        text-transform: uppercase;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-kicker::before {\r\n        width: 22px;\r\n        height: 2px;\r\n        border-radius: 999px;\r\n        background: var(--ly-blue);\r\n        content: \"\";\r\n    }\r\n\r\n    \/* Article introduction *\/\r\n    #ly-network-cabinet-article .ly-intro {\r\n        padding: 12px 0 50px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-intro-copy {\r\n        max-width: 820px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-intro-copy > p:first-child {\r\n        margin-bottom: 15px;\r\n        color: var(--ly-blue-deep);\r\n        font-size: 19px;\r\n        line-height: 1.65;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-intro-copy > p:not(:first-child) {\r\n        color: var(--ly-muted);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-quick-answer {\r\n        margin-top: 24px;\r\n        padding: 20px 22px;\r\n        border: 1px solid #c7dcef;\r\n        border-left: 4px solid var(--ly-blue);\r\n        border-radius: 9px;\r\n        background: var(--ly-blue-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-quick-answer strong {\r\n        display: block;\r\n        margin-bottom: 5px;\r\n        color: var(--ly-blue-deep);\r\n        font-size: 16px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-quick-answer p {\r\n        margin: 0;\r\n        color: #40556d;\r\n    }\r\n\r\n    \/* Compact grids *\/\r\n    #ly-network-cabinet-article .ly-grid-2,\r\n    #ly-network-cabinet-article .ly-grid-3,\r\n    #ly-network-cabinet-article .ly-grid-4 {\r\n        display: grid;\r\n        gap: 16px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-grid-2 {\r\n        grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-grid-3 {\r\n        grid-template-columns: repeat(3, minmax(0, 1fr));\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-grid-4 {\r\n        grid-template-columns: repeat(2, minmax(0, 1fr));\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-card {\r\n        height: 100%;\r\n        padding: 21px;\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 10px;\r\n        background: var(--ly-white);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-card--shadow {\r\n        box-shadow: var(--ly-shadow-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-card--blue {\r\n        border-color: #c8ddf0;\r\n        background: var(--ly-blue-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-card--green {\r\n        border-color: #c9e5d6;\r\n        background: var(--ly-green-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-card--red {\r\n        border-color: #efcccc;\r\n        background: var(--ly-red-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-card p {\r\n        margin-bottom: 10px;\r\n        color: var(--ly-muted);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-card p:last-child {\r\n        margin-bottom: 0;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-label {\r\n        display: inline-flex;\r\n        margin-bottom: 11px;\r\n        padding: 5px 9px;\r\n        border-radius: 999px;\r\n        color: var(--ly-blue);\r\n        background: var(--ly-blue-soft);\r\n        font-size: 10px;\r\n        font-weight: 790;\r\n        line-height: 1.3;\r\n        letter-spacing: 0.055em;\r\n        text-transform: uppercase;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-number {\r\n        display: inline-flex;\r\n        width: 34px;\r\n        height: 34px;\r\n        align-items: center;\r\n        justify-content: center;\r\n        margin-bottom: 12px;\r\n        border-radius: 8px;\r\n        color: var(--ly-white);\r\n        background: var(--ly-blue);\r\n        font-size: 13px;\r\n        font-weight: 820;\r\n    }\r\n\r\n    \/* Lists *\/\r\n    #ly-network-cabinet-article .ly-list,\r\n    #ly-network-cabinet-article .ly-check-list,\r\n    #ly-network-cabinet-article .ly-x-list {\r\n        margin: 0;\r\n        padding: 0;\r\n        list-style: none;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-list li,\r\n    #ly-network-cabinet-article .ly-check-list li,\r\n    #ly-network-cabinet-article .ly-x-list li {\r\n        position: relative;\r\n        margin-bottom: 8px;\r\n        padding-left: 21px;\r\n        color: var(--ly-muted);\r\n        line-height: 1.58;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-list li:last-child,\r\n    #ly-network-cabinet-article .ly-check-list li:last-child,\r\n    #ly-network-cabinet-article .ly-x-list li:last-child {\r\n        margin-bottom: 0;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-list li::before {\r\n        position: absolute;\r\n        top: 0.72em;\r\n        left: 2px;\r\n        width: 6px;\r\n        height: 6px;\r\n        border-radius: 50%;\r\n        background: var(--ly-blue);\r\n        content: \"\";\r\n        transform: translateY(-50%);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-check-list li::before {\r\n        position: absolute;\r\n        top: 0;\r\n        left: 0;\r\n        color: var(--ly-green);\r\n        content: \"\u2713\";\r\n        font-weight: 900;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-x-list li::before {\r\n        position: absolute;\r\n        top: 0;\r\n        left: 0;\r\n        color: var(--ly-red);\r\n        content: \"\u00d7\";\r\n        font-weight: 900;\r\n    }\r\n\r\n    \/* Callout *\/\r\n    #ly-network-cabinet-article .ly-callout {\r\n        margin-top: 20px;\r\n        padding: 19px 21px;\r\n        border: 1px solid #c6dbef;\r\n        border-left: 4px solid var(--ly-blue);\r\n        border-radius: 9px;\r\n        background: var(--ly-blue-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-callout strong {\r\n        display: block;\r\n        margin-bottom: 5px;\r\n        color: var(--ly-blue-deep);\r\n        font-size: 16px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-callout p {\r\n        margin: 0;\r\n        color: #42566d;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-callout--warning {\r\n        border-color: #efd3bd;\r\n        border-left-color: var(--ly-orange);\r\n        background: var(--ly-orange-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-callout--warning strong {\r\n        color: #824015;\r\n    }\r\n\r\n    \/* Compact decision *\/\r\n    #ly-network-cabinet-article .ly-decision {\r\n        display: grid;\r\n        padding: 24px;\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 11px;\r\n        grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.55fr);\r\n        gap: 22px;\r\n        background: var(--ly-white);\r\n        box-shadow: var(--ly-shadow-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-decision p {\r\n        color: var(--ly-muted);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-decision-summary {\r\n        display: flex;\r\n        min-height: 125px;\r\n        align-items: center;\r\n        justify-content: center;\r\n        padding: 20px;\r\n        border-radius: 9px;\r\n        color: var(--ly-white);\r\n        background: linear-gradient(\r\n            140deg,\r\n            var(--ly-blue-dark),\r\n            var(--ly-blue)\r\n        );\r\n        text-align: center;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-decision-summary strong {\r\n        display: block;\r\n        color: var(--ly-white);\r\n        font-size: 20px;\r\n        line-height: 1.3;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-decision-summary span {\r\n        display: block;\r\n        margin-top: 6px;\r\n        color: rgba(255, 255, 255, 0.78);\r\n        font-size: 12px;\r\n    }\r\n\r\n    \/* Figures *\/\r\n    #ly-network-cabinet-article .ly-figure {\r\n        width: min(100%, 880px);\r\n        margin: 28px auto 0;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-figure-frame {\r\n        padding: 6px;\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 11px;\r\n        overflow: hidden;\r\n        background: var(--ly-white);\r\n        box-shadow: var(--ly-shadow-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-figure img {\r\n        width: 100%;\r\n        max-height: 570px;\r\n        border-radius: 7px;\r\n        object-fit: contain;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-figure figcaption {\r\n        max-width: 760px;\r\n        margin: 10px auto 0;\r\n        color: var(--ly-muted);\r\n        font-size: 12px;\r\n        line-height: 1.5;\r\n        text-align: center;\r\n    }\r\n\r\n    \/* Flow *\/\r\n    #ly-network-cabinet-article .ly-flow {\r\n        display: flex;\r\n        flex-wrap: wrap;\r\n        align-items: center;\r\n        gap: 7px;\r\n        margin: 15px 0;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-flow span {\r\n        padding: 7px 9px;\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 6px;\r\n        color: #385067;\r\n        background: var(--ly-white);\r\n        font-size: 11px;\r\n        font-weight: 680;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-flow b {\r\n        color: var(--ly-blue);\r\n        font-size: 13px;\r\n    }\r\n\r\n    \/* Compact product block *\/\r\n    #ly-network-cabinet-article .ly-product {\r\n        display: grid;\r\n        padding: 25px;\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 11px;\r\n        grid-template-columns: minmax(0, 1fr) 255px;\r\n        align-items: center;\r\n        gap: 27px;\r\n        background: var(--ly-white);\r\n        box-shadow: var(--ly-shadow-soft);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-product-copy > p {\r\n        color: var(--ly-muted);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-product-image {\r\n        display: flex;\r\n        align-items: center;\r\n        justify-content: center;\r\n        padding: 13px;\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 9px;\r\n        background: #fbfcfd;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-product-image img {\r\n        width: 100%;\r\n        max-width: 225px;\r\n        max-height: 225px;\r\n        object-fit: contain;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-spec-list {\r\n        display: grid;\r\n        margin: 18px 0;\r\n        grid-template-columns: repeat(2, minmax(0, 1fr));\r\n        gap: 8px 18px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-spec-item {\r\n        display: flex;\r\n        justify-content: space-between;\r\n        gap: 12px;\r\n        padding-bottom: 7px;\r\n        border-bottom: 1px solid #e8edf2;\r\n        font-size: 13px;\r\n        line-height: 1.45;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-spec-item span {\r\n        color: var(--ly-muted);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-spec-item strong {\r\n        color: var(--ly-blue-deep);\r\n        text-align: right;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-text-link {\r\n        display: inline-flex;\r\n        align-items: center;\r\n        gap: 6px;\r\n        font-size: 13px;\r\n        font-weight: 760;\r\n        text-decoration: none;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-text-link::after {\r\n        content: \"\u2192\";\r\n    }\r\n\r\n    \/* Application cards *\/\r\n    #ly-network-cabinet-article .ly-application-grid {\r\n        display: grid;\r\n        grid-template-columns: repeat(2, minmax(0, 1fr));\r\n        gap: 14px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-application {\r\n        padding: 19px;\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 9px;\r\n        background: var(--ly-white);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-application h3 {\r\n        margin-bottom: 13px;\r\n        padding-bottom: 10px;\r\n        border-bottom: 1px solid var(--ly-line);\r\n        font-size: 17px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-app-row {\r\n        display: grid;\r\n        margin-bottom: 7px;\r\n        grid-template-columns: 92px minmax(0, 1fr);\r\n        gap: 10px;\r\n        color: var(--ly-muted);\r\n        font-size: 13px;\r\n        line-height: 1.48;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-app-row:last-child {\r\n        margin-bottom: 0;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-app-row strong {\r\n        color: var(--ly-blue-deep);\r\n        font-size: 12px;\r\n    }\r\n\r\n    \/* Procurement checklist *\/\r\n    #ly-network-cabinet-article .ly-checklist {\r\n        display: grid;\r\n        counter-reset: ly-check;\r\n        grid-template-columns: repeat(2, minmax(0, 1fr));\r\n        gap: 10px 16px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-check-item {\r\n        position: relative;\r\n        min-height: 50px;\r\n        padding: 13px 13px 13px 45px;\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 8px;\r\n        color: #405269;\r\n        background: var(--ly-white);\r\n        font-size: 13px;\r\n        font-weight: 600;\r\n        line-height: 1.45;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-check-item::before {\r\n        position: absolute;\r\n        top: 10px;\r\n        left: 10px;\r\n        display: flex;\r\n        width: 27px;\r\n        height: 27px;\r\n        align-items: center;\r\n        justify-content: center;\r\n        border-radius: 6px;\r\n        color: var(--ly-white);\r\n        background: var(--ly-blue);\r\n        content: counter(ly-check);\r\n        counter-increment: ly-check;\r\n        font-size: 11px;\r\n        font-weight: 820;\r\n    }\r\n\r\n    \/* Procurement steps *\/\r\n    #ly-network-cabinet-article .ly-steps {\r\n        display: grid;\r\n        margin-top: 19px;\r\n        grid-template-columns: repeat(3, minmax(0, 1fr));\r\n        gap: 14px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-step {\r\n        padding: 18px;\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 9px;\r\n        background: var(--ly-white);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-step h3 {\r\n        font-size: 17px;\r\n    }\r\n\r\n    \/* One CTA only *\/\r\n    #ly-network-cabinet-article .ly-single-action {\r\n        margin-top: 23px;\r\n        text-align: left;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-btn,\r\n    #ly-network-cabinet-article .leeyee-site-popup-btn {\r\n        display: inline-flex;\r\n        min-height: 46px;\r\n        align-items: center;\r\n        justify-content: center;\r\n        padding: 12px 20px;\r\n        border: 2px solid var(--ly-blue);\r\n        border-radius: 7px;\r\n        color: var(--ly-white) !important;\r\n        background: var(--ly-blue);\r\n        box-shadow: 0 9px 21px rgba(0, 72, 152, 0.18);\r\n        cursor: pointer;\r\n        font-family: inherit;\r\n        font-size: 14px;\r\n        font-weight: 740;\r\n        line-height: 1.2;\r\n        text-align: center;\r\n        text-decoration: none !important;\r\n        transition:\r\n            transform 0.2s ease,\r\n            border-color 0.2s ease,\r\n            background-color 0.2s ease;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-btn > span,\r\n    #ly-network-cabinet-article .leeyee-site-popup-btn > span {\r\n        display: inline-block !important;\r\n        color: var(--ly-white) !important;\r\n        -webkit-text-fill-color: var(--ly-white) !important;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-btn:hover,\r\n    #ly-network-cabinet-article .leeyee-site-popup-btn:hover {\r\n        border-color: var(--ly-blue-dark);\r\n        color: var(--ly-white) !important;\r\n        background: var(--ly-blue-dark);\r\n        transform: translateY(-1px);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-btn:hover > span,\r\n    #ly-network-cabinet-article .leeyee-site-popup-btn:hover > span {\r\n        color: var(--ly-white) !important;\r\n        -webkit-text-fill-color: var(--ly-white) !important;\r\n    }\r\n\r\n    \/* Related pages *\/\r\n    #ly-network-cabinet-article .ly-related {\r\n        display: grid;\r\n        grid-template-columns: repeat(2, minmax(0, 1fr));\r\n        gap: 11px 24px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-related a {\r\n        display: block;\r\n        padding: 13px 0;\r\n        border-bottom: 1px solid var(--ly-line);\r\n        text-decoration: none;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-related strong {\r\n        display: block;\r\n        margin-bottom: 3px;\r\n        color: var(--ly-blue-deep);\r\n        font-size: 14px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-related span {\r\n        display: block;\r\n        color: var(--ly-muted);\r\n        font-size: 12px;\r\n        line-height: 1.48;\r\n    }\r\n\r\n    \/* FAQ *\/\r\n    #ly-network-cabinet-article .ly-faq {\r\n        display: grid;\r\n        gap: 9px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-faq details {\r\n        border: 1px solid var(--ly-line);\r\n        border-radius: 8px;\r\n        background: var(--ly-white);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-faq summary {\r\n        position: relative;\r\n        padding: 16px 47px 16px 18px;\r\n        color: var(--ly-blue-deep);\r\n        cursor: pointer;\r\n        font-size: 15px;\r\n        font-weight: 700;\r\n        line-height: 1.45;\r\n        list-style: none;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-faq summary::-webkit-details-marker {\r\n        display: none;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-faq summary::after {\r\n        position: absolute;\r\n        top: 50%;\r\n        right: 16px;\r\n        display: flex;\r\n        width: 24px;\r\n        height: 24px;\r\n        align-items: center;\r\n        justify-content: center;\r\n        border-radius: 50%;\r\n        color: var(--ly-blue);\r\n        background: var(--ly-blue-soft);\r\n        content: \"+\";\r\n        font-size: 17px;\r\n        transform: translateY(-50%);\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-faq details[open] summary::after {\r\n        content: \"\u2212\";\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-faq-answer {\r\n        padding: 0 18px 16px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-faq-answer p {\r\n        margin: 0;\r\n        color: var(--ly-muted);\r\n        font-size: 14px;\r\n    }\r\n\r\n    \/* References *\/\r\n    #ly-network-cabinet-article .ly-references {\r\n        margin: 0;\r\n        padding-left: 20px;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-references li {\r\n        margin-bottom: 9px;\r\n        padding-left: 3px;\r\n        color: var(--ly-muted);\r\n        font-size: 13px;\r\n        line-height: 1.55;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-references li:last-child {\r\n        margin-bottom: 0;\r\n    }\r\n\r\n    #ly-network-cabinet-article .ly-references a {\r\n        overflow-wrap: anywhere;\r\n        font-weight: 620;\r\n    }\r\n\r\n    \/* 1440 *\/\r\n    @media (max-width: 1440px) {\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: min(960px, calc(100% - 44px));\r\n        }\r\n    }\r\n\r\n    \/* 1366 *\/\r\n    @media (max-width: 1366px) {\r\n        #ly-network-cabinet-article .ly-section {\r\n            padding: 57px 0;\r\n        }\r\n    }\r\n\r\n    \/* 1280 *\/\r\n    @media (max-width: 1280px) {\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: min(930px, calc(100% - 42px));\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-figure {\r\n            width: min(100%, 840px);\r\n        }\r\n    }\r\n\r\n    \/* 1024 *\/\r\n    @media (max-width: 1024px) {\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: min(900px, calc(100% - 38px));\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-decision {\r\n            grid-template-columns: 1fr;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-decision-summary {\r\n            min-height: 110px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-product {\r\n            grid-template-columns: minmax(0, 1fr) 225px;\r\n        }\r\n    }\r\n\r\n    \/* 912 *\/\r\n    @media (max-width: 912px) {\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: min(830px, calc(100% - 34px));\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-product {\r\n            grid-template-columns: minmax(0, 1fr) 210px;\r\n            gap: 22px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-product-image img {\r\n            max-width: 190px;\r\n            max-height: 190px;\r\n        }\r\n    }\r\n\r\n    \/* 820 *\/\r\n    @media (max-width: 820px) {\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: calc(100% - 32px);\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-grid-2,\r\n        #ly-network-cabinet-article .ly-grid-4,\r\n        #ly-network-cabinet-article .ly-application-grid {\r\n            grid-template-columns: 1fr;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-product {\r\n            grid-template-columns: 1fr;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-product-image {\r\n            width: 230px;\r\n            margin: 0 auto;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-spec-list {\r\n            margin-bottom: 13px;\r\n        }\r\n    }\r\n\r\n    \/* 768 *\/\r\n    @media (max-width: 768px) {\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: calc(100% - 30px);\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-section {\r\n            padding: 52px 0;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-intro {\r\n            padding-bottom: 45px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-grid-3,\r\n        #ly-network-cabinet-article .ly-steps {\r\n            grid-template-columns: 1fr;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-checklist {\r\n            grid-template-columns: 1fr;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-related {\r\n            grid-template-columns: 1fr;\r\n        }\r\n    }\r\n\r\n    \/* 600 *\/\r\n    @media (max-width: 600px) {\r\n        #ly-network-cabinet-article {\r\n            font-size: 15.5px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: calc(100% - 28px);\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-section {\r\n            padding: 47px 0;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-card,\r\n        #ly-network-cabinet-article .ly-decision,\r\n        #ly-network-cabinet-article .ly-product {\r\n            padding: 19px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-spec-list {\r\n            grid-template-columns: 1fr;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-figure img {\r\n            max-height: none;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-single-action {\r\n            text-align: center;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-btn,\r\n        #ly-network-cabinet-article .leeyee-site-popup-btn {\r\n            width: 100%;\r\n        }\r\n    }\r\n\r\n    \/* 540 *\/\r\n    @media (max-width: 540px) {\r\n        #ly-network-cabinet-article .ly-section-head p {\r\n            font-size: 15px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-product-image {\r\n            width: 205px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-app-row {\r\n            grid-template-columns: 1fr;\r\n            gap: 2px;\r\n        }\r\n    }\r\n\r\n    \/* 480 *\/\r\n    @media (max-width: 480px) {\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: calc(100% - 24px);\r\n        }\r\n\r\n        #ly-network-cabinet-article h2 {\r\n            font-size: 27px;\r\n        }\r\n\r\n        #ly-network-cabinet-article h3 {\r\n            font-size: 18px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-section {\r\n            padding: 44px 0;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-flow {\r\n            align-items: stretch;\r\n            flex-direction: column;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-flow span {\r\n            text-align: center;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-flow b {\r\n            text-align: center;\r\n            transform: rotate(90deg);\r\n        }\r\n    }\r\n\r\n    \/* 430 *\/\r\n    @media (max-width: 430px) {\r\n        #ly-network-cabinet-article .ly-intro-copy > p:first-child {\r\n            font-size: 17px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-card,\r\n        #ly-network-cabinet-article .ly-product {\r\n            border-radius: 8px;\r\n        }\r\n    }\r\n\r\n    \/* 414 *\/\r\n    @media (max-width: 414px) {\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: calc(100% - 22px);\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-section {\r\n            padding: 42px 0;\r\n        }\r\n    }\r\n\r\n    \/* 390 *\/\r\n    @media (max-width: 390px) {\r\n        #ly-network-cabinet-article h2 {\r\n            font-size: 25px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-card,\r\n        #ly-network-cabinet-article .ly-decision,\r\n        #ly-network-cabinet-article .ly-product {\r\n            padding: 17px;\r\n        }\r\n    }\r\n\r\n    \/* 375 *\/\r\n    @media (max-width: 375px) {\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: calc(100% - 20px);\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-btn,\r\n        #ly-network-cabinet-article .leeyee-site-popup-btn {\r\n            font-size: 13px;\r\n        }\r\n    }\r\n\r\n    \/* 360 *\/\r\n    @media (max-width: 360px) {\r\n        #ly-network-cabinet-article h2 {\r\n            font-size: 24px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-product-image {\r\n            width: 185px;\r\n        }\r\n    }\r\n\r\n    \/* 320 *\/\r\n    @media (max-width: 320px) {\r\n        #ly-network-cabinet-article {\r\n            font-size: 15px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-container {\r\n            width: calc(100% - 16px);\r\n        }\r\n\r\n        #ly-network-cabinet-article h2 {\r\n            font-size: 22px;\r\n        }\r\n\r\n        #ly-network-cabinet-article h3 {\r\n            font-size: 17px;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-section {\r\n            padding: 38px 0;\r\n        }\r\n\r\n        #ly-network-cabinet-article .ly-card,\r\n        #ly-network-cabinet-article .ly-decision,\r\n        #ly-network-cabinet-article .ly-product {\r\n            padding: 15px;\r\n        }\r\n    }\r\n<\/style>\r\n\r\n<article id=\"ly-network-cabinet-article\">\r\n    <section class=\"ly-intro\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-intro-copy\">\r\n                <p>\r\n                    Network cabinet surge protection should evaluate both the AC\r\n                    power input and every exposed copper Ethernet or PoE line\r\n                    entering the cabinet.\r\n                <\/p>\r\n\r\n                <p>\r\n                    This guide is written for weak-current contractors, network\r\n                    cabinet integrators, security system suppliers, facility\r\n                    maintenance teams and OEM buyers. It focuses on one network or\r\n                    weak-current cabinet rather than an entire data center.\r\n                <\/p>\r\n\r\n                <div class=\"ly-quick-answer\">\r\n                    <strong>Quick answer<\/strong>\r\n\r\n                    <p>\r\n                        An AC SPD protects the cabinet power path. An RJ45 SPD\r\n                        protects exposed Ethernet or compatible PoE conductors. A\r\n                        rack PDU or UPS does not automatically provide both\r\n                        functions.\r\n                    <\/p>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section\" id=\"ly-pdu\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Clarify the Equipment<\/div>\r\n\r\n                <div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#network-cabinet-protection-is-more-than-a-rack-pdu\" >Network Cabinet Protection Is More Than a Rack PDU<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#when-should-a-network-cabinet-use-spd-protection\" >When Should a Network Cabinet Use SPD Protection?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#coordinate-ac-power-ethernet-and-equipotential-bonding\" >Coordinate AC Power, Ethernet and Equipotential Bonding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#confirm-the-electrical-system-before-selecting-the-ac-spd\" >Confirm the Electrical System Before Selecting the AC SPD<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#an-rj45-connector-does-not-confirm-compatibility\" >An RJ45 Connector Does Not Confirm Compatibility<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#current-leeyee-rj45-product-capability\" >Current LEEYEE RJ45 Product Capability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#install-the-spd-near-the-protection-boundary\" >Install the SPD Near the Protection Boundary<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#protection-priorities-by-network-cabinet-application\" >Protection Priorities by Network Cabinet Application<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#information-to-send-before-requesting-a-quotation\" >Information to Send Before Requesting a Quotation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#network-cabinet-spd-inspection-checklist\" >Network Cabinet SPD Inspection Checklist<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#continue-to-the-relevant-detailed-topic\" >Continue to the Relevant Detailed Topic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#network-cabinet-surge-protection-faq\" >Network Cabinet Surge Protection FAQ<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/id\/network-cabinet-spd\/#references\" >References<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"network-cabinet-protection-is-more-than-a-rack-pdu\"><\/span>\r\n                    Network Cabinet Protection Is More Than a Rack PDU\r\n                <span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    These devices may appear in the same cabinet, but they perform\r\n                    different functions.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <div class=\"ly-grid-4\">\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-label\">Power Distribution<\/span>\r\n\r\n                    <h3>Rack PDU<\/h3>\r\n\r\n                    <p>\r\n                        Distributes AC power to switches, routers, NVRs and other\r\n                        equipment.\r\n                    <\/p>\r\n\r\n                    <p>\r\n                        Confirm whether it includes a tested surge-protection\r\n                        function. Do not assume from the product name.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-label\">Power Continuity<\/span>\r\n\r\n                    <h3>UPS<\/h3>\r\n\r\n                    <p>\r\n                        Supports backup power and other functions according to its\r\n                        design.\r\n                    <\/p>\r\n\r\n                    <p>\r\n                        It does not automatically confirm coordinated AC or Ethernet\r\n                        surge protection.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-label\">AC Surge Path<\/span>\r\n\r\n                    <h3>AC Power SPD<\/h3>\r\n\r\n                    <p>\r\n                        Limits transient overvoltage entering through the cabinet\r\n                        AC supply.\r\n                    <\/p>\r\n\r\n                    <p>\r\n                        Select it according to the electrical system and upstream\r\n                        protection.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-label\">Copper Data Path<\/span>\r\n\r\n                    <h3>RJ45 SPD<\/h3>\r\n\r\n                    <p>\r\n                        Limits transient overvoltage on exposed Ethernet or\r\n                        compatible PoE conductors.\r\n                    <\/p>\r\n\r\n                    <p>\r\n                        Select it according to speed, pairs, PoE and installation.\r\n                    <\/p>\r\n                <\/article>\r\n            <\/div>\r\n\r\n            <div class=\"ly-callout ly-callout--warning\">\r\n                <strong>Start with the conductive paths<\/strong>\r\n\r\n                <p>\r\n                    Identify every AC power and copper data line entering or leaving\r\n                    the cabinet. Then select the required protection devices.\r\n                <\/p>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section ly-section--soft\" id=\"ly-need\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Need Assessment<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"when-should-a-network-cabinet-use-spd-protection\"><\/span>When Should a Network Cabinet Use SPD Protection?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    The requirement depends on cable exposure, connected equipment,\r\n                    the electrical design and the operational cost of downtime.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <div class=\"ly-decision\">\r\n                <div>\r\n                    <h3>\r\n                        Evaluate both paths when the cabinet has exposed power or\r\n                        copper data connections.\r\n                    <\/h3>\r\n\r\n                    <p>\r\n                        The data-line risk is higher when Ethernet connects an\r\n                        outdoor camera, access point, gate controller, rooftop\r\n                        device or equipment in another building.\r\n                    <\/p>\r\n\r\n                    <p>\r\n                        The AC supply requires a separate review. Protecting only one\r\n                        path leaves the other path exposed.\r\n                    <\/p>\r\n                <\/div>\r\n\r\n                <div class=\"ly-decision-summary\">\r\n                    <div>\r\n                        <strong>\r\n                            Two entry paths.<br>\r\n                            Two protection checks.\r\n                        <\/strong>\r\n\r\n                        <span>\r\n                            AC power and exposed copper Ethernet or PoE\r\n                        <\/span>\r\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n\r\n            <div class=\"ly-grid-3\" style=\"margin-top: 16px;\">\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-number\">1<\/span>\r\n\r\n                    <h3>Outdoor copper cable<\/h3>\r\n\r\n                    <p>\r\n                        Evaluate RJ45 protection for exposed cameras, APs, intercoms\r\n                        and other field equipment.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-number\">2<\/span>\r\n\r\n                    <h3>Cabinet AC supply<\/h3>\r\n\r\n                    <p>\r\n                        Review voltage, earthing system, upstream protection and\r\n                        cable distance.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-number\">3<\/span>\r\n\r\n                    <h3>Downtime consequence<\/h3>\r\n\r\n                    <p>\r\n                        Give greater attention to cabinets supporting security,\r\n                        communications or building systems.\r\n                    <\/p>\r\n                <\/article>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section\" id=\"ly-architecture\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Protection Architecture<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"coordinate-ac-power-ethernet-and-equipotential-bonding\"><\/span>\r\n                    Coordinate AC Power, Ethernet and Equipotential Bonding\r\n                <span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    The AC SPD, RJ45 SPD, cabinet frame, DIN rail and grounding bar\r\n                    should be planned as one coordinated system.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <figure class=\"ly-figure\">\r\n                <div class=\"ly-figure-frame\">\r\n                    <img loading=\"lazy\"\r\n                        src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/07\/network-cabinet-ac-rj45-poe-surge-protection-architecture.webp\"\r\n                        alt=\"Network cabinet surge protection architecture for AC power, RJ45 and PoE\"\r\n                        width=\"1448\"\r\n                        height=\"1086\"\r\n                        loading=\"lazy\"\r\n                        decoding=\"async\">\r\n                <\/div>\r\n\r\n                <figcaption>\r\n                    Separate AC power and copper Ethernet surge paths inside one\r\n                    network cabinet.\r\n                <\/figcaption>\r\n            <\/figure>\r\n\r\n            <div class=\"ly-grid-2\" style=\"margin-top: 23px;\">\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-label\">AC Power Path<\/span>\r\n\r\n                    <h3>Protect the cabinet power input<\/h3>\r\n\r\n                    <div class=\"ly-flow\">\r\n                        <span>Distribution Board<\/span>\r\n                        <b>\u2192<\/b>\r\n                        <span>Upstream SPD<\/span>\r\n                        <b>\u2192<\/b>\r\n                        <span>Local AC SPD<\/span>\r\n                        <b>\u2192<\/b>\r\n                        <span>PDU \/ UPS<\/span>\r\n                        <b>\u2192<\/b>\r\n                        <span>Switch<\/span>\r\n                    <\/div>\r\n\r\n                    <p>\r\n                        The final arrangement depends on the supply system,\r\n                        upstream protection and cabinet wiring.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-label\">Ethernet and PoE Path<\/span>\r\n\r\n                    <h3>Protect the exposed copper entry<\/h3>\r\n\r\n                    <div class=\"ly-flow\">\r\n                        <span>Exposed Cable<\/span>\r\n                        <b>\u2192<\/b>\r\n                        <span>RJ45 SPD<\/span>\r\n                        <b>\u2192<\/b>\r\n                        <span>Short Patch Cable<\/span>\r\n                        <b>\u2192<\/b>\r\n                        <span>Switch Port<\/span>\r\n                    <\/div>\r\n\r\n                    <p>\r\n                        Avoid leaving a long unprotected cable loop inside the\r\n                        cabinet.\r\n                    <\/p>\r\n                <\/article>\r\n            <\/div>\r\n\r\n            <div class=\"ly-callout\">\r\n                <strong>This is a single-cabinet guide<\/strong>\r\n\r\n                <p>\r\n                    For UPS bypass circuits, redundant distribution, A\/B paths and\r\n                    facility-level protection, see the\r\n                    <a href=\"\/data-center-spd\/\">\r\n                        Data Center Surge Protection Guide\r\n                    <\/a>.\r\n                <\/p>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section ly-section--soft\" id=\"ly-ac\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">AC Power Selection<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"confirm-the-electrical-system-before-selecting-the-ac-spd\"><\/span>Confirm the Electrical System Before Selecting the AC SPD<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    A cabinet enclosure or equipment photo is not enough to confirm\r\n                    the correct AC protection device.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <div class=\"ly-grid-2\">\r\n                <article class=\"ly-card\">\r\n                    <h3>Why local protection may still be needed<\/h3>\r\n\r\n                    <p>\r\n                        Cable distance, residual voltage, equipment sensitivity and\r\n                        the upstream SPD can affect the stress reaching the cabinet.\r\n                    <\/p>\r\n\r\n                    <p>\r\n                        A coordinated local Type 2 SPD may be considered in many\r\n                        applications, but the actual system must be reviewed first.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card ly-card--blue\">\r\n                    <h3>Standards framework<\/h3>\r\n\r\n                    <p>\r\n                        IEC 61643-11:2025 covers SPDs connected to AC low-voltage\r\n                        systems. IEC 61643-01:2024 provides common requirements, and\r\n                        IEC 61643-12:2020 addresses application and coordination.\r\n                    <\/p>\r\n                <\/article>\r\n            <\/div>\r\n\r\n            <div class=\"ly-grid-4\" style=\"margin-top: 16px;\">\r\n                <article class=\"ly-card\">\r\n                    <h3>Supply system<\/h3>\r\n\r\n                    <p>\r\n                        Voltage, phase arrangement, frequency and earthing system.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <h3>SPD ratings<\/h3>\r\n\r\n                    <p>\r\n                        Type, Uc, In, Imax, Up, pole configuration and certificates.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <h3>Coordination<\/h3>\r\n\r\n                    <p>\r\n                        Upstream SPD, conductor length and backup protection.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <h3>Cabinet space<\/h3>\r\n\r\n                    <p>\r\n                        DIN rail width, wiring route and replacement access.\r\n                    <\/p>\r\n                <\/article>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section\" id=\"ly-rj45\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">RJ45 and PoE<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"an-rj45-connector-does-not-confirm-compatibility\"><\/span>An RJ45 Connector Does Not Confirm Compatibility<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    Confirm the network performance, PoE arrangement and cabinet\r\n                    installation before ordering.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <div class=\"ly-grid-3\">\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-number\">1<\/span>\r\n\r\n                    <h3>Network performance<\/h3>\r\n\r\n                    <p>\r\n                        Confirm data rate, cable category, active pairs and\r\n                        shielding.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-number\">2<\/span>\r\n\r\n                    <h3>PoE requirement<\/h3>\r\n\r\n                    <p>\r\n                        Confirm voltage, current, powered pairs and the connected\r\n                        equipment.\r\n                    <\/p>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <span class=\"ly-number\">3<\/span>\r\n\r\n                    <h3>Cabinet integration<\/h3>\r\n\r\n                    <p>\r\n                        Confirm port count, mounting, grounding and plug clearance.\r\n                    <\/p>\r\n                <\/article>\r\n            <\/div>\r\n\r\n            <figure class=\"ly-figure\">\r\n                <div class=\"ly-figure-frame\">\r\n                    <img loading=\"lazy\"\r\n                        src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/07\/network-cabinet-rj45-poe-spd-selection-comparison.webp\"\r\n                        alt=\"RJ45 and PoE SPD selection comparison for network cabinets\"\r\n                        width=\"1448\"\r\n                        height=\"1086\"\r\n                        loading=\"lazy\"\r\n                        decoding=\"async\">\r\n                <\/div>\r\n\r\n                <figcaption>\r\n                    Confirm speed, cable system, PoE, protected pairs, mounting and\r\n                    grounding.\r\n                <\/figcaption>\r\n            <\/figure>\r\n\r\n            <div class=\"ly-grid-2\" style=\"margin-top: 20px;\">\r\n                <div class=\"ly-callout\" style=\"margin-top: 0;\">\r\n                    <strong>Need detailed RJ45 selection?<\/strong>\r\n\r\n                    <p>\r\n                        See the\r\n                        <a href=\"\/rj45-surge-protector-selection\/\">\r\n                            RJ45 Surge Protector Selection Guide\r\n                        <\/a>\r\n                        for cable category, speed, pairs and transmission\r\n                        performance.\r\n                    <\/p>\r\n                <\/div>\r\n\r\n                <div class=\"ly-callout\" style=\"margin-top: 0;\">\r\n                    <strong>Protecting an outdoor PoE device?<\/strong>\r\n\r\n                    <p>\r\n                        See the\r\n                        <a href=\"\/poe-surge-protector\/\">\r\n                            PoE Surge Protector Guide\r\n                        <\/a>\r\n                        for switch-side, field-side and two-end protection.\r\n                    <\/p>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section ly-section--soft\" id=\"ly-product\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Current Product Fit<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"current-leeyee-rj45-product-capability\"><\/span>Current LEEYEE RJ45 Product Capability<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    Product claims must follow the actual datasheet. A general guide\r\n                    must not imply unsupported data rates or PoE capabilities.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <article class=\"ly-product\">\r\n                <div class=\"ly-product-copy\">\r\n                    <span class=\"ly-label\">\r\n                        Documented LY21-2 Configuration\r\n                    <\/span>\r\n\r\n                    <h3>LEEYEE LY21-2 RJ45 PoE Network Surge Protector<\/h3>\r\n\r\n                    <p>\r\n                        LY21-2 is an inline protector for compatible PoE power and\r\n                        Ethernet data circuits. Final pin assignment and system\r\n                        compatibility must be confirmed before ordering.\r\n                    <\/p>\r\n\r\n                    <div class=\"ly-spec-list\">\r\n                        <div class=\"ly-spec-item\">\r\n                            <span>Data rate<\/span>\r\n                            <strong>Up to 100Mbps<\/strong>\r\n                        <\/div>\r\n\r\n                        <div class=\"ly-spec-item\">\r\n                            <span>PoE voltage<\/span>\r\n                            <strong>Up to 60V DC<\/strong>\r\n                        <\/div>\r\n\r\n                        <div class=\"ly-spec-item\">\r\n                            <span>Load current<\/span>\r\n                            <strong>500mA<\/strong>\r\n                        <\/div>\r\n\r\n                        <div class=\"ly-spec-item\">\r\n                            <span>Insertion loss<\/span>\r\n                            <strong>\u2264 0.2dB<\/strong>\r\n                        <\/div>\r\n\r\n                        <div class=\"ly-spec-item\">\r\n                            <span>Power-side In \/ Imax<\/span>\r\n                            <strong>2.5kA \/ 5kA<\/strong>\r\n                        <\/div>\r\n\r\n                        <div class=\"ly-spec-item\">\r\n                            <span>Installation<\/span>\r\n                            <strong>Inline \/ IP20<\/strong>\r\n                        <\/div>\r\n                    <\/div>\r\n\r\n                    <p>\r\n                        Do not describe this documented configuration as Gigabit,\r\n                        2.5G, 5G, 10G or IEEE 802.3bt compatible without separate\r\n                        test evidence.\r\n                    <\/p>\r\n\r\n                    <a\r\n                        class=\"ly-text-link\"\r\n                        href=\"\/ly21-2-rj45-network-surge-protective-devicepoe-product\/\">\r\n                        View LY21-2 product data\r\n                    <\/a>\r\n                <\/div>\r\n\r\n                <div class=\"ly-product-image\">\r\n                    <img loading=\"lazy\"\r\n                        src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/06\/IMG_2008-scaled.jpg\"\r\n                        alt=\"LEEYEE LY21-2 100Mbps RJ45 PoE network surge protector\"\r\n                        width=\"1000\"\r\n                        height=\"1000\"\r\n                        loading=\"lazy\"\r\n                        decoding=\"async\">\r\n                <\/div>\r\n            <\/article>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section\" id=\"ly-installation\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Installation and Grounding<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"install-the-spd-near-the-protection-boundary\"><\/span>Install the SPD Near the Protection Boundary<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    Correct product selection can still fail when the protector is\r\n                    installed far from the cable entry or connected through an\r\n                    unsuitable bonding path.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <figure class=\"ly-figure\">\r\n                <div class=\"ly-figure-frame\">\r\n                    <img loading=\"lazy\"\r\n                        src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/07\/network-cabinet-spd-installation-grounding-space-planning.webp\"\r\n                        alt=\"Network cabinet SPD installation grounding and DIN rail space planning\"\r\n                        width=\"1448\"\r\n                        height=\"1086\"\r\n                        loading=\"lazy\"\r\n                        decoding=\"async\">\r\n                <\/div>\r\n\r\n                <figcaption>\r\n                    Cable-entry placement, grounding paths and maintenance\r\n                    clearance.\r\n                <\/figcaption>\r\n            <\/figure>\r\n\r\n            <div class=\"ly-grid-2\" style=\"margin-top: 22px;\">\r\n                <article class=\"ly-card ly-card--green\">\r\n                    <h3>Recommended checks<\/h3>\r\n\r\n                    <ul class=\"ly-check-list\">\r\n                        <li>Place the RJ45 SPD close to the cable entry.<\/li>\r\n                        <li>Keep the protected patch cable short.<\/li>\r\n                        <li>Use the specified grounding method.<\/li>\r\n                        <li>Bond the cabinet and relevant metalwork.<\/li>\r\n                        <li>Keep status indicators visible.<\/li>\r\n                        <li>Allow adequate plug and bend clearance.<\/li>\r\n                        <li>Organise protected and unprotected cables.<\/li>\r\n                        <li>Allow access for replacement and inspection.<\/li>\r\n                    <\/ul>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card ly-card--red\">\r\n                    <h3>Avoid these mistakes<\/h3>\r\n\r\n                    <ul class=\"ly-x-list\">\r\n                        <li>Long unprotected Ethernet loops.<\/li>\r\n                        <li>Long or coiled grounding conductors.<\/li>\r\n                        <li>Loose or corroded bonding connections.<\/li>\r\n                        <li>Unrelated random grounding points.<\/li>\r\n                        <li>Sharp data-cable bends.<\/li>\r\n                        <li>Blocked status indicators.<\/li>\r\n                        <li>No room for module replacement.<\/li>\r\n                        <li>Ignoring RJ45 plug clearance.<\/li>\r\n                    <\/ul>\r\n                <\/article>\r\n            <\/div>\r\n\r\n            <div class=\"ly-callout\">\r\n                <strong>The bonding conductor is part of the surge path<\/strong>\r\n\r\n                <p>\r\n                    Its length, routing and connection quality affect the practical\r\n                    protection result. One earth-resistance number does not describe\r\n                    the complete cabinet installation.\r\n                <\/p>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section ly-section--soft\" id=\"ly-applications\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Application Screening<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"protection-priorities-by-network-cabinet-application\"><\/span>Protection Priorities by Network Cabinet Application<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    Use these compact application cards for the first project\r\n                    assessment.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <div class=\"ly-application-grid\">\r\n                <article class=\"ly-application\">\r\n                    <h3>Indoor Office Cabinet<\/h3>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>AC<\/strong>\r\n                        <span>Review supply and upstream SPD.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>RJ45<\/strong>\r\n                        <span>Focus on cables leaving the protected area.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>Confirm<\/strong>\r\n                        <span>Cable route, network speed and downtime risk.<\/span>\r\n                    <\/div>\r\n                <\/article>\r\n\r\n                <article class=\"ly-application\">\r\n                    <h3>CCTV or Security Cabinet<\/h3>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>AC<\/strong>\r\n                        <span>Evaluate the cabinet power supply.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>RJ45<\/strong>\r\n                        <span>Identify outdoor cameras, APs and gate devices.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>Confirm<\/strong>\r\n                        <span>PoE, exposed ports and field-side protection.<\/span>\r\n                    <\/div>\r\n                <\/article>\r\n\r\n                <article class=\"ly-application\">\r\n                    <h3>Building Entrance Cabinet<\/h3>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>AC<\/strong>\r\n                        <span>Coordinate with building distribution protection.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>RJ45<\/strong>\r\n                        <span>Evaluate exposed incoming copper services.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>Confirm<\/strong>\r\n                        <span>Cable entry and equipotential bonding.<\/span>\r\n                    <\/div>\r\n                <\/article>\r\n\r\n                <article class=\"ly-application\">\r\n                    <h3>Outdoor Network Enclosure<\/h3>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>AC<\/strong>\r\n                        <span>Select according to the electrical system.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>RJ45<\/strong>\r\n                        <span>Evaluate each exposed copper port.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>Confirm<\/strong>\r\n                        <span>Moisture, grounding and service access.<\/span>\r\n                    <\/div>\r\n                <\/article>\r\n\r\n                <article class=\"ly-application\">\r\n                    <h3>Inter-Building Copper Link<\/h3>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>AC<\/strong>\r\n                        <span>Review equipment power at both structures.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>RJ45<\/strong>\r\n                        <span>Assess both cable boundaries.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>Confirm<\/strong>\r\n                        <span>Bonding conditions and whether fibre is preferable.<\/span>\r\n                    <\/div>\r\n                <\/article>\r\n\r\n                <article class=\"ly-application\">\r\n                    <h3>PoE Access-Point Cabinet<\/h3>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>AC<\/strong>\r\n                        <span>Evaluate the switch and cabinet supply.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>RJ45<\/strong>\r\n                        <span>Match speed, voltage, current and powered pairs.<\/span>\r\n                    <\/div>\r\n\r\n                    <div class=\"ly-app-row\">\r\n                        <strong>Confirm<\/strong>\r\n                        <span>Switch model, AP model and cabinet space.<\/span>\r\n                    <\/div>\r\n                <\/article>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section\" id=\"ly-procurement\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">B2B and OEM Procurement<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"information-to-send-before-requesting-a-quotation\"><\/span>Information to Send Before Requesting a Quotation<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    These items normally provide enough information for an initial\r\n                    model and sample assessment.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <div class=\"ly-checklist\">\r\n                <div class=\"ly-check-item\">\r\n                    Cabinet AC voltage and phase arrangement\r\n                <\/div>\r\n\r\n                <div class=\"ly-check-item\">\r\n                    Earthing system, if known\r\n                <\/div>\r\n\r\n                <div class=\"ly-check-item\">\r\n                    Existing upstream SPD information\r\n                <\/div>\r\n\r\n                <div class=\"ly-check-item\">\r\n                    Network switch model and data rate\r\n                <\/div>\r\n\r\n                <div class=\"ly-check-item\">\r\n                    PoE voltage, current or equipment demand\r\n                <\/div>\r\n\r\n                <div class=\"ly-check-item\">\r\n                    Number of exposed RJ45 lines\r\n                <\/div>\r\n\r\n                <div class=\"ly-check-item\">\r\n                    Indoor, outdoor or inter-building route\r\n                <\/div>\r\n\r\n                <div class=\"ly-check-item\">\r\n                    Cable category, shielding and powered pairs\r\n                <\/div>\r\n\r\n                <div class=\"ly-check-item\">\r\n                    Mounting method and available space\r\n                <\/div>\r\n\r\n                <div class=\"ly-check-item\">\r\n                    Quantity, certificates and OEM requirements\r\n                <\/div>\r\n            <\/div>\r\n\r\n            <div class=\"ly-callout\">\r\n                <strong>Parameters not available?<\/strong>\r\n\r\n                <p>\r\n                    Send the switch datasheet, cabinet drawing, single-line diagram,\r\n                    internal cabinet photo, outdoor-device model or cable schedule.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <div class=\"ly-steps\">\r\n                <article class=\"ly-step\">\r\n                    <h3>1. Engineering review<\/h3>\r\n\r\n                    <ul class=\"ly-list\">\r\n                        <li>Electrical-system confirmation<\/li>\r\n                        <li>RJ45 interface review<\/li>\r\n                        <li>PoE and pair-map review<\/li>\r\n                        <li>Mounting and grounding review<\/li>\r\n                    <\/ul>\r\n                <\/article>\r\n\r\n                <article class=\"ly-step\">\r\n                    <h3>2. Sample approval<\/h3>\r\n\r\n                    <ul class=\"ly-list\">\r\n                        <li>Mechanical fit<\/li>\r\n                        <li>Network-link operation<\/li>\r\n                        <li>PoE startup and load<\/li>\r\n                        <li>Label and packaging approval<\/li>\r\n                    <\/ul>\r\n                <\/article>\r\n\r\n                <article class=\"ly-step\">\r\n                    <h3>3. Bulk-order confirmation<\/h3>\r\n\r\n                    <ul class=\"ly-list\">\r\n                        <li>Final model and quantity<\/li>\r\n                        <li>Approved technical documents<\/li>\r\n                        <li>OEM artwork<\/li>\r\n                        <li>Inspection and delivery terms<\/li>\r\n                    <\/ul>\r\n                <\/article>\r\n            <\/div>\r\n\r\n            <div class=\"ly-single-action\">\r\n                <a\r\n                    href=\"javascript:void(0);\"\r\n                    class=\"ly-btn leeyee-site-popup-btn\"\r\n                    role=\"button\">\r\n                    <span>Send Your Cabinet Details<\/span>\r\n                <\/a>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section ly-section--soft\" id=\"ly-maintenance\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Maintenance<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"network-cabinet-spd-inspection-checklist\"><\/span>Network Cabinet SPD Inspection Checklist<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    Inspection should form part of the cabinet\u2019s normal maintenance\r\n                    process.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <div class=\"ly-grid-2\">\r\n                <article class=\"ly-card\">\r\n                    <h3>Routine checks<\/h3>\r\n\r\n                    <ul class=\"ly-check-list\">\r\n                        <li>Check the AC SPD status indicator.<\/li>\r\n                        <li>Inspect RJ45 SPD connections.<\/li>\r\n                        <li>Check grounding and bonding terminals.<\/li>\r\n                        <li>Look for corrosion or condensation.<\/li>\r\n                        <li>Check for overheating or damage.<\/li>\r\n                        <li>Confirm replacement units are available.<\/li>\r\n                    <\/ul>\r\n                <\/article>\r\n\r\n                <article class=\"ly-card\">\r\n                    <h3>Additional inspection triggers<\/h3>\r\n\r\n                    <ul class=\"ly-list\">\r\n                        <li>A known lightning or surge event<\/li>\r\n                        <li>An SPD status change<\/li>\r\n                        <li>Unexplained switch-port failure<\/li>\r\n                        <li>Outdoor equipment damage<\/li>\r\n                        <li>Cabinet water ingress<\/li>\r\n                        <li>A changed cable route or connected device<\/li>\r\n                    <\/ul>\r\n                <\/article>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section\" id=\"ly-related\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Related Technical Guides<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"continue-to-the-relevant-detailed-topic\"><\/span>Continue to the Relevant Detailed Topic<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n                <p>\r\n                    This page covers the complete single-cabinet plan. The following\r\n                    pages explain individual topics in greater depth.\r\n                <\/p>\r\n            <\/div>\r\n\r\n            <div class=\"ly-related\">\r\n                <a href=\"\/data-center-spd\/\">\r\n                    <strong>Data Center Surge Protection<\/strong>\r\n                    <span>\r\n                        UPS bypass, redundant distribution and facility-level\r\n                        protection.\r\n                    <\/span>\r\n                <\/a>\r\n\r\n                <a href=\"\/rj45-surge-protector-selection\/\">\r\n                    <strong>RJ45 Surge Protector Selection<\/strong>\r\n                    <span>\r\n                        Cable category, speed, pairs, shielding and transmission\r\n                        performance.\r\n                    <\/span>\r\n                <\/a>\r\n\r\n                <a href=\"\/poe-surge-protector\/\">\r\n                    <strong>PoE Surge Protector Guide<\/strong>\r\n                    <span>\r\n                        Switch-side, field-side and two-end protection for exposed\r\n                        PoE links.\r\n                    <\/span>\r\n                <\/a>\r\n\r\n                <a href=\"\/spd-grounding-resistance\/\">\r\n                    <strong>SPD Grounding Guide<\/strong>\r\n                    <span>\r\n                        Bonding paths, conductor routing and earthing-system\r\n                        considerations.\r\n                    <\/span>\r\n                <\/a>\r\n\r\n                <a href=\"\/spd-maintenance-checklist\/\">\r\n                    <strong>SPD Maintenance Checklist<\/strong>\r\n                    <span>\r\n                        Status checks, replacement decisions and inspection\r\n                        records.\r\n                    <\/span>\r\n                <\/a>\r\n\r\n                <a href=\"\/cctv-surge-protection\/\">\r\n                    <strong>CCTV Surge Protection<\/strong>\r\n                    <span>\r\n                        Power, PoE and signal protection for camera systems.\r\n                    <\/span>\r\n                <\/a>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section ly-section--soft\" id=\"ly-faq\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Frequently Asked Questions<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"network-cabinet-surge-protection-faq\"><\/span>Network Cabinet Surge Protection FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n            <\/div>\r\n\r\n            <div class=\"ly-faq\">\r\n                <details>\r\n                    <summary>\r\n                        Does every network cabinet need surge protection?\r\n                    <\/summary>\r\n\r\n                    <div class=\"ly-faq-answer\">\r\n                        <p>\r\n                            No. The requirement depends on the AC supply, exposed\r\n                            cable routes, connected equipment, upstream protection\r\n                            and acceptable downtime.\r\n                        <\/p>\r\n                    <\/div>\r\n                <\/details>\r\n\r\n                <details>\r\n                    <summary>Is a surge-protected rack PDU enough?<\/summary>\r\n\r\n                    <div class=\"ly-faq-answer\">\r\n                        <p>\r\n                            Not necessarily. Confirm the PDU\u2019s actual protection\r\n                            standard and ratings. It also does not automatically\r\n                            protect exposed Ethernet or PoE lines.\r\n                        <\/p>\r\n                    <\/div>\r\n                <\/details>\r\n\r\n                <details>\r\n                    <summary>Does a UPS replace the AC SPD?<\/summary>\r\n\r\n                    <div class=\"ly-faq-answer\">\r\n                        <p>\r\n                            Do not assume so. Review the UPS specification and the\r\n                            coordinated protection design.\r\n                        <\/p>\r\n                    <\/div>\r\n                <\/details>\r\n\r\n                <details>\r\n                    <summary>\r\n                        Does every switch port need an RJ45 SPD?\r\n                    <\/summary>\r\n\r\n                    <div class=\"ly-faq-answer\">\r\n                        <p>\r\n                            No. Focus on ports connected to outdoor, long,\r\n                            inter-building or otherwise exposed copper lines.\r\n                        <\/p>\r\n                    <\/div>\r\n                <\/details>\r\n\r\n                <details>\r\n                    <summary>\r\n                        Where should the RJ45 SPD be installed?\r\n                    <\/summary>\r\n\r\n                    <div class=\"ly-faq-answer\">\r\n                        <p>\r\n                            Install it close to the point where the exposed copper\r\n                            cable enters the protected cabinet area.\r\n                        <\/p>\r\n                    <\/div>\r\n                <\/details>\r\n\r\n                <details>\r\n                    <summary>\r\n                        Is LEEYEE LY21-2 suitable for Gigabit Ethernet?\r\n                    <\/summary>\r\n\r\n                    <div class=\"ly-faq-answer\">\r\n                        <p>\r\n                            The currently documented LY21-2 configuration supports\r\n                            transmission up to 100Mbps. It must not be presented as\r\n                            Gigabit compatible without separate test evidence.\r\n                        <\/p>\r\n                    <\/div>\r\n                <\/details>\r\n\r\n                <details>\r\n                    <summary>\r\n                        What information should I send for selection?\r\n                    <\/summary>\r\n\r\n                    <div class=\"ly-faq-answer\">\r\n                        <p>\r\n                            Send the cabinet voltage, switch model, data rate, PoE\r\n                            requirement, exposed port count, cable route, mounting\r\n                            space and quantity.\r\n                        <\/p>\r\n                    <\/div>\r\n                <\/details>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\r\n    <section class=\"ly-section\" id=\"ly-references\">\r\n        <div class=\"ly-container\">\r\n            <div class=\"ly-section-head\">\r\n                <div class=\"ly-kicker\">Authoritative Sources<\/div>\r\n\r\n                <h2><span class=\"ez-toc-section\" id=\"references\"><\/span>References<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n            <\/div>\r\n\r\n            <ol class=\"ly-references\">\r\n                <li>\r\n                    International Electrotechnical Commission.\r\n                    <a\r\n                        href=\"https:\/\/webstore.iec.ch\/en\/publication\/65314\"\r\n                        target=\"_blank\"\r\n                        rel=\"noopener noreferrer\">\r\n                        IEC 61643-11:2025 \u2014 Surge protective devices connected to\r\n                        AC low-voltage power systems\r\n                    <\/a>.\r\n                <\/li>\r\n\r\n                <li>\r\n                    International Electrotechnical Commission.\r\n                    <a\r\n                        href=\"https:\/\/webstore.iec.ch\/en\/publication\/65315\"\r\n                        target=\"_blank\"\r\n                        rel=\"noopener noreferrer\">\r\n                        IEC 61643-01:2024 \u2014 General requirements and test methods\r\n                        for low-voltage SPDs\r\n                    <\/a>.\r\n                <\/li>\r\n\r\n                <li>\r\n                    International Electrotechnical Commission.\r\n                    <a\r\n                        href=\"https:\/\/webstore.iec.ch\/en\/publication\/32531\"\r\n                        target=\"_blank\"\r\n                        rel=\"noopener noreferrer\">\r\n                        IEC 61643-12:2020 \u2014 Selection and application principles for\r\n                        AC power-system SPDs\r\n                    <\/a>.\r\n                <\/li>\r\n\r\n                <li>\r\n                    International Electrotechnical Commission.\r\n                    <a\r\n                        href=\"https:\/\/webstore.iec.ch\/en\/publication\/69085\"\r\n                        target=\"_blank\"\r\n                        rel=\"noopener noreferrer\">\r\n                        IEC 61643-21:2025 \u2014 SPDs connected to telecommunications and\r\n                        signalling networks, including PoE\r\n                    <\/a>.\r\n                <\/li>\r\n\r\n                <li>\r\n                    International Electrotechnical Commission.\r\n                    <a\r\n                        href=\"https:\/\/webstore.iec.ch\/en\/publication\/22772\"\r\n                        target=\"_blank\"\r\n                        rel=\"noopener noreferrer\">\r\n                        IEC 61643-22:2015 \u2014 Selection, location and coordination of\r\n                        telecommunications and signalling SPDs\r\n                    <\/a>.\r\n                <\/li>\r\n\r\n                <li>\r\n                    International Electrotechnical Commission.\r\n                    <a\r\n                        href=\"https:\/\/webstore.iec.ch\/en\/publication\/29590\"\r\n                        target=\"_blank\"\r\n                        rel=\"noopener noreferrer\">\r\n                        IEC 62305-4:2024 \u2014 Electrical and electronic systems within\r\n                        structures\r\n                    <\/a>.\r\n                <\/li>\r\n\r\n                <li>\r\n                    LEEYEE.\r\n                    <a\r\n                        href=\"https:\/\/www.cnspd.com\/ly21-2-rj45-network-surge-protective-devicepoe-product\/\"\r\n                        target=\"_blank\"\r\n                        rel=\"noopener noreferrer\">\r\n                        LY21-2 RJ45 PoE Network Surge Protector \u2014 official product\r\n                        information\r\n                    <\/a>.\r\n                <\/li>\r\n\r\n                <li>\r\n                    IEEE Standards Association.\r\n                    <a\r\n                        href=\"https:\/\/standards.ieee.org\/ieee\/802.3bt\/6749\/\"\r\n                        target=\"_blank\"\r\n                        rel=\"noopener noreferrer\">\r\n                        IEEE 802.3bt-2018 \u2014 Power over Ethernet over four pairs\r\n                    <\/a>.\r\n                <\/li>\r\n            <\/ol>\r\n        <\/div>\r\n    <\/section>\r\n<\/article>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Perlindungan lonjakan arus kabinet jaringan harus mengevaluasi input daya AC dan setiap jalur tembaga Ethernet atau PoE terbuka yang masuk ke kabinet. Panduan ini ditulis untuk kontraktor arus lemah, integrator kabinet jaringan, pemasok sistem keamanan, tim pemeliharaan fasilitas, dan pembeli OEM. Ini berfokus pada satu jaringan atau kabinet arus lemah daripada seluruh pusat data&#8230;.<\/p>","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,488,422],"tags":[],"class_list":["post-30314","post","type-post","status-publish","format-standard","hentry","category-news","category-surge-protection","category-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Network Cabinet Surge Protection: AC, RJ45 &amp; PoE SPD Guide<\/title>\n<meta name=\"description\" content=\"Plan network cabinet surge protection for AC power, RJ45 and PoE. 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