tp-link tl-sg1008p 8-port gigabit desktop switch with 4-port poeoverview8-port gigabit desktop switch with 4-port poe provides the seamless network connection. it integrates 1000mbps gigabit ethernet and 10/100mbps fast ethernet network capabilities.features?? 8 10/100/1000mbps rj45 ports?? with four poe ports, data transfers and power on one single cable?? working with ieee 802.3af compliant pds, expands home and office network?? requires no configuration and installationhardware featuresinterface?? 8 10/100/1000mbps rj45 ports?? auto negotiation/auto mdi/mdixnetwork media?? 10base-t: utp category 3, 4, 5 cable (maximum 100m)?? eia/tia-568 100? stp (maximum 100m)?? 100base-tx: utp category 5, 5e cable (maximum 100m)?? eia/tia-568 100? stp (maximum 100m)?? 1000base-t: utp category 5, 5e, 6 or above cable (maximum 100m)?? eia/tia-568 100? stp (maximum 100m)poe ports (rj45)?? standard: 802.3 of compliant?? poe ports: port1- port4?? power supply: 55wbackbound bandwidth?? 16gbpsmac address table?? 8kexternal power supply?? external power adapter (output: 48vdc/1.25a)dimensions (wxdxh)?? 171 * 98 * 27 mmfan quantity?? fanlesssoftware featurestransmission method?? store-and-forwardadvanced functions?? compatible with ieee 802.3af compliant pds?? priority function?? mac address auto-learning and auto-aging?? ieee802.3x flow control for full-duplex mode and backpressure for half-duplex modeotherscertification?? fcc, cepackage contents?? tl-sg1008p, power adapter, user guideconsumption?? 5.8 watts (max. no pd connected)?? 58.8 watts (max. with 53w pd connected)environment?? operating temperature: 0? ~ 40? (32? ~ 104?)?? storage temperature: -40? ~ 70? (-40? ~ 158?)?? operating humidity: 10% ~ 90% non-condensing?? storage humidity: 5% ~ 90% non-condensing