{"product_id":"d-link-dps-500a","title":"D-Link DPS-500A 140W Redundant Power Supply","description":"\u003cdiv id=\"ace-d-link-dps-500a-copy\"\u003e\n\u003cstyle\u003e\n#ace-d-link-dps-500a-copy { font-family: inherit; color: inherit; }\n\/* Reuses the current ACE calculator FAQ disclosure treatment. Scope: this product FAQ only. *\/\n#ace-d-link-dps-500a-copy .ace-article-faq { --ace-family-ink: #21352b; --ace-family-muted: #5b6961; --ace-family-line: #d3d9d5; --ace-family-soft: #f4f7f4; margin: 24px 0; padding: 0; background: transparent; font-family: inherit; }\n#ace-d-link-dps-500a-copy .ace-article-faq details.ace-form-disclosure { margin: 0 0 12px; padding: 0; border: 1px solid var(--ace-family-line); border-radius: 12px; background: #fff; overflow: visible; }\n#ace-d-link-dps-500a-copy .ace-article-faq details \u003e summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; margin: 0; padding: 16px 20px; border-radius: 12px; background: var(--ace-family-soft); color: var(--ace-family-ink); font: inherit; font-size: 16px; font-weight: 600; line-height: 1.4; list-style: none; cursor: pointer; }\n#ace-d-link-dps-500a-copy .ace-article-faq summary::-webkit-details-marker { display: none; }\n#ace-d-link-dps-500a-copy .ace-article-faq summary::marker { content: ''; }\n#ace-d-link-dps-500a-copy .ace-article-faq summary::before, #ace-d-link-dps-500a-copy .ace-article-faq summary::after { content: none; }\n#ace-d-link-dps-500a-copy .ace-article-faq details[open] \u003e summary { border-radius: 12px 12px 0 0; border-bottom: 0; }\n#ace-d-link-dps-500a-copy .ace-article-faq h3.ace-form-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; min-width: 0; margin: 0 !important; padding: 0; color: var(--ace-family-ink); font-family: inherit; font-size: 16px; font-weight: 600; line-height: 1.35; letter-spacing: normal; text-transform: none; }\n#ace-d-link-dps-500a-copy .ace-article-faq .ace-form-title-text { display: flex; flex: 1 1 auto; min-width: 0; margin: 0; overflow-wrap: anywhere; }\n#ace-d-link-dps-500a-copy .ace-article-faq .ace-form-toggle { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; margin: 0 0 0 auto; padding: 0; color: #55605a; font-size: 12px; line-height: 1.4; font-weight: 500; white-space: nowrap; }\n#ace-d-link-dps-500a-copy .ace-article-faq details \u003e summary .ace-form-collapse { display: none; }\n#ace-d-link-dps-500a-copy .ace-article-faq details[open] \u003e summary .ace-form-expand { display: none; }\n#ace-d-link-dps-500a-copy .ace-article-faq details[open] \u003e summary .ace-form-collapse { display: inline; }\n#ace-d-link-dps-500a-copy .ace-article-faq .ace-form-chevron { display: inline-block; width: 8px; height: 8px; margin: 0 2px 4px; border-bottom: 2px solid currentColor; border-right: 2px solid currentColor; transform: rotate(45deg); transition: transform .15s ease; }\n#ace-d-link-dps-500a-copy .ace-article-faq details[open] \u003e summary .ace-form-chevron { transform: rotate(225deg); margin-bottom: 0; }\n#ace-d-link-dps-500a-copy .ace-article-faq .ace-form-body { margin: 0; padding: 20px; min-width: 0; color: var(--ace-family-ink); font-size: 15px; line-height: 1.65; }\n#ace-d-link-dps-500a-copy .ace-article-faq .ace-form-body \u003e p { margin: 0; line-height: 1.65; }\n#ace-d-link-dps-500a-copy .ace-article-faq summary:focus-visible { outline: 3px solid #24731a; outline-offset: 3px; }\n@media (max-width: 640px) {\n  #ace-d-link-dps-500a-copy .ace-article-faq details \u003e summary { padding: 14px 16px; gap: 12px; }\n  #ace-d-link-dps-500a-copy .ace-article-faq h3.ace-form-title { gap: 12px; }\n  #ace-d-link-dps-500a-copy .ace-article-faq .ace-form-body { padding: 16px; }\n  #ace-d-link-dps-500a-copy .ace-article-faq .ace-form-toggle { font-size: 11px; gap: 8px; }\n}\n@media (prefers-reduced-motion: reduce) { #ace-d-link-dps-500a-copy .ace-article-faq .ace-form-chevron { transition: none; } }\n\n\n#ace-d-link-dps-500a-copy .ace-article-faq { width:100%; max-width:100%; box-sizing:border-box; }\n#ace-d-link-dps-500a-copy .ace-article-faq .ace-form-body { border:0; box-shadow:none; }\n\u003c\/style\u003e\n\u003ch2\u003eA Second Power Path for Supported Network Switches\u003c\/h2\u003e\n\u003cp\u003eThe DPS-500A is a 140W redundant power supply for supported D-Link switches. It provides an external power path to help the connected switch continue operating if its internal supply fails.\u003c\/p\u003e\n\u003cp\u003eThe compact metal unit can operate separately or in the optional DPS-800 rack chassis. Select the correct switch connection cable for the installation. This is a mains-powered redundant supply rather than a battery UPS.\u003c\/p\u003e\n\u003ch2\u003eHighlights\u003c\/h2\u003e\n\u003ch3\u003ePower Protection\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e140W rated redundant supply.\u003c\/li\u003e\n\u003cli\u003eDesigned for explicitly supported D-Link switches.\u003c\/li\u003e\n\u003cli\u003eAutomatic monitoring and a separate supply path.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandalone module or optional DPS-800 chassis mounting.\u003c\/li\u003e\n\u003cli\u003e90–264 V AC input, 47–63 Hz.\u003c\/li\u003e\n\u003cli\u003e1 m DC connection cable in the normal offer; verify the required cable for the switch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePlanning\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptional chassis accommodates two suitable modules.\u003c\/li\u003e\n\u003cli\u003eA suitable UPS remains separate for mains-outage protection.\u003c\/li\u003e\n\u003cli\u003e1-year warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eReduce the Impact of an Internal Supply Failure\u003c\/h3\u003e\n\u003cp\u003eAn internal switch power-supply fault can disconnect every endpoint behind that switch. A supported redundant supply provides an additional power path, allowing the power system to respond when the internal supply fails. The switch and external supply must be a manufacturer-approved combination.\u003c\/p\u003e\n\u003ch3\u003eMatch the Supply to the Exact Switch\u003c\/h3\u003e\n\u003cp\u003eThe DPS-500A is intended for specific supported D-Link switch models and hardware revisions. Match the power requirements, RPS connector and required cable before installation. A similar connector or the same brand name alone is not enough to establish compatibility.\u003c\/p\u003e\n\u003ch3\u003ePlan the Available Power\u003c\/h3\u003e\n\u003cp\u003eThe rated output is 140W for the supported redundant-power application. This is not a general-purpose desktop power adapter. Check the switch’s documented RPS requirement and keep the connection within the manufacturer’s supported configuration.\u003c\/p\u003e\n\u003ch3\u003eKeep the Rack Organised\u003c\/h3\u003e\n\u003cp\u003eThe compact metal enclosure can be used separately or installed in the optional DPS-800 chassis. The chassis holds up to two compatible modules and is purchased separately. Leave clearance for cooling and route the DC cable without strain.\u003c\/p\u003e\n\u003ch3\u003eSpecify the Correct Connection\u003c\/h3\u003e\n\u003cp\u003eThe normal offer includes a 1 m DC cable. Some supported switch families require a different cable, so confirm the exact host and cable arrangement before ordering. Do not assume that every supported switch uses the same lead or that an optional extension is included.\u003c\/p\u003e\n\u003ch3\u003eSeparate Redundancy From Battery Backup\u003c\/h3\u003e\n\u003cp\u003eThis supply depends on AC mains power and does not contain a battery. It helps address an internal supply fault but does not keep the network running through a loss of all AC sources. Use a suitably sized UPS and a tested power design where mains-outage continuity is required.\u003c\/p\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003eThe DPS-500A adds a planned redundant-power path to a supported D-Link switching installation. Confirm the switch revision, required cable and complete power design so redundancy supports the intended network availability.\u003c\/p\u003e\n\u003csection class=\"ace-article-faq\" aria-label=\"Frequently asked questions\"\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails class=\"ace-form-disclosure\" open\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eIs This a Battery UPS?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eNo. It is an AC-powered redundant supply without a backup battery. A suitable UPS is separate if you need continuity during a mains outage.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eWill It Work With Every D-Link Switch?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eNo. Compatibility is specific to the switch model, hardware revision and RPS connection. Check the supported combination and required cable before ordering.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eDoes It Increase the PoE Budget?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eDPS-500A is a 140W redundant supply for supported switches. It should not be treated as a general PoE budget upgrade.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eIs the Connection Cable Included?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eThe normal offer includes a 1 m DC connection cable. Some switch families require another cable, purchased separately; confirm the exact host before ordering.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eHow Is It Mounted?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eUse it as a standalone module or in the optional two-slot DPS-800 rack chassis. The chassis is separate.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eCan It Protect Against Every Network Interruption?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eNo. Redundant power addresses a supported power-supply failure scenario. Cabling faults, switch faults, loss of all AC sources and network configuration problems need their own resilience measures.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"D-Link","offers":[{"title":"Default Title","offer_id":41567738822715,"sku":"DPS-500A","price":374.56,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/4541\/3179\/files\/d-link-dps-500a-official-1.png?v=1793681952","url":"https:\/\/aceperipherals.com\/ko\/products\/d-link-dps-500a","provider":"ACE Peripherals","version":"1.0","type":"link"}