{"product_id":"grid-industrial-gigabit-poe-switch-8-poe-downlink-ports-2-uplink-ports-poejk-s8-240","title":"Grid Industrial Gigabit PoE Switch | 8 PoE Downlink Ports + 2 Uplink Ports | POEJK-S8-240","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePOEJK-S8-240\u003c\/strong\u003e is an \u003cstrong\u003eindustrial Gigabit PoE+ switch\u003c\/strong\u003e with eight copper ports, a \u003cstrong\u003e240W PoE budget\u003c\/strong\u003e and dual-uplink design for compact DC microgrid zones. It is unmanaged, extended-temperature and built for DIN-rail, wall or shelf mounting in enclosures, mechanical rooms, warehouses and remote IDFs.\u003c\/p\u003e\n\u003cp\u003ePowered from a 48–57 VDC source and housed in an \u003cstrong\u003eIP40-rated aluminum enclosure\u003c\/strong\u003e, this switch is a solid choice when you need a small \u003cstrong\u003e8-port PoE+ field switch\u003c\/strong\u003e that still fits into the broader GRID DC microgrid architecture.\u003c\/p\u003e\n\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Gigabit PoE+ switch\u003c\/strong\u003e – unmanaged design for simple, robust operation at the edge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 × 10\/100\/1000 Mbps copper ports\u003c\/strong\u003e with \u003cstrong\u003e802.3af\/at PoE+ injector function on ports 1–4\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240W shared PoE budget\u003c\/strong\u003e for mixed IP cameras, APs, sensors and POE-Jack® nodes (within design limits).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 uplink ports\u003c\/strong\u003e for connecting back to aggregation or core switches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual redundant DC power input\u003c\/strong\u003e (48–57 VDC), using external supplies such as POEJK-PS48-200 or POEJK-PS48-240 (sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide operating temperature\u003c\/strong\u003e from \u003cstrong\u003e-40°C to +80°C\u003c\/strong\u003e (-40°F to 176°F) for harsh environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged IP40 aluminum housing\u003c\/strong\u003e for industrial and light-commercial sites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible mounting\u003c\/strong\u003e – DIN-rail, wall-mount or shelf-mount options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical highlights\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePOEJK-S8-240\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch type\u003c\/td\u003e\n\u003ctd\u003eIndustrial Gigabit Ethernet PoE switch – unmanaged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccess ports\u003c\/td\u003e\n\u003ctd\u003e8 × 10\/100\/1000 Mbps copper ports with PoE+ on ports 1–4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUplink ports\u003c\/td\u003e\n\u003ctd\u003e2 copper uplink ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoE standard\u003c\/td\u003e\n\u003ctd\u003eIEEE 802.3af \/ 802.3at (PoE\/PoE+ on ports 1–4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal PoE budget\u003c\/td\u003e\n\u003ctd\u003e240 W (shared)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData rate\u003c\/td\u003e\n\u003ctd\u003e10\/100\/1000 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput power\u003c\/td\u003e\n\u003ctd\u003e48–57 VDC dual redundant inputs (external supplies sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eHigh-strength aluminum, IP40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +80°C (-40°F to 176°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN-rail, wall or shelf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmall industrial or warehouse PoE zones serving cameras, APs and sensors.\u003c\/li\u003e\n\u003cli\u003eRemote telecom rooms and cabinets where extended-temperature hardware is required.\u003c\/li\u003e\n\u003cli\u003eOutdoor-rated enclosures (within IP40 limits) feeding PoE loads along a site perimeter.\u003c\/li\u003e\n\u003cli\u003eCompact DC microgrid nodes in garages, shops or mechanical spaces powered by DC supplies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility \u0026amp; ecosystem\u003c\/h2\u003e\n\u003cp\u003eThe POEJK-S8-240 sits naturally under GRID aggregation and core switches as an \u003cstrong\u003eindustrial edge node\u003c\/strong\u003e. Its 48–57 VDC power input aligns with GRID DC supplies (e.g., POEJK-PS48 series), and its PoE+ injector function on ports 1–4 makes it suitable for powering IP cameras, access points or small POE-Jack® clusters at the edge.\u003c\/p\u003e\n\u003cp\u003eUse standard Cat5e\/Cat6\/Cat6A cabling for horizontal runs and pair with GRID's enhanced cabling options (such as POEJC6E-CMP) where PoE++ or long bundles are involved.\u003c\/p\u003e\n\n\u003ch2\u003eInstall \u0026amp; design notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePlan PoE budgets assuming the \u003cstrong\u003e240 W total\u003c\/strong\u003e is shared across PoE ports 1–4.\u003c\/li\u003e\n\u003cli\u003eUse redundant DC inputs where uptime is important; connect to separate 48 VDC supplies or feeds where practical.\u003c\/li\u003e\n\u003cli\u003eMount in a ventilated enclosure or cabinet; while extended-temperature rated, good airflow improves longevity.\u003c\/li\u003e\n\u003cli\u003eObserve IP40 limits—protect against dust and moisture as required by the installation environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCanada-ready checklist\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eœ“ Temperature range suited to many Canadian utility rooms, warehouses and sheltered outdoor enclosures (within IP40 limits).\u003c\/li\u003e\n\u003cli\u003eœ“ Ideal for small PoE zones in shops, barns and detached buildings where DC power is available.\u003c\/li\u003e\n\u003cli\u003eœ“ Compatible with common Canadian structured cabling and PoE practices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility micro Q\u0026amp;A\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre all eight ports PoE?\u003c\/strong\u003e\u003cbr\u003e\nThe switch provides eight copper ports with \u003cstrong\u003e802.3af\/at PoE+ injection on ports 1–4\u003c\/strong\u003e. Plan PoE devices on those ports accordingly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a special power supply?\u003c\/strong\u003e\u003cbr\u003e\nYou'll need a \u003cstrong\u003e48–57 VDC\u003c\/strong\u003e source such as the POEJK-PS48 family (sold separately). Dual inputs allow redundant power designs where required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eSpecifications are subject to change without notice. Always verify details against the latest GRID documentation before design or tender.\u003c\/em\u003e\u003c\/p\u003e","brand":"Grid Networking","offers":[{"title":"Default Title","offer_id":48145202839715,"sku":"crs1789515285655","price":147.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/3114\/7683\/files\/grid-industrial-gigabit-poe-switch-8-poe-downlink-ports-2-uplink-ports-poejk-s8-_1.png?v=1789515290","url":"https:\/\/seersuckerwear.shop\/products\/grid-industrial-gigabit-poe-switch-8-poe-downlink-ports-2-uplink-ports-poejk-s8-240","provider":"My Store","version":"1.0","type":"link"}