overviewsupports poe with up to 15.4 w per port poesupports poe with a total collection to 53 w of the four poe portssupports powered devices by standard poe ieee802.3afsupports ieee802.3x flow control for full-duplex mode and backpressure for half-duplex modetl-sf1008p a mac address table with 1000 inputs and supports automatic mac address learning and auto-agingled indicators for monitoring power, connection speed and activitypower external power adapterspecificationshardware featuresinterface8 10/100mbps rj45 portsauto negotiation/auto mdi/mdixnetwork media10base-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)poe ports (rj45)standard: 802.3 af compliantpoe ports: port1- port4power supply: 57wfeedback bandwidth1.6gbpsmac address table2kexternal power suppliesexternal power adapter (output: 48vdc/1.25)fan quantityfanlessdimensions (w * h * v)171 * 98 * 27 mmconsumptionmaximum poe (on): 65w (220v/50hz)maximum (poe off): 2.9w (220v/50hz)software featuresmode of transmissionstore-and-forwardadvanced featuresieee 802.3afsupports power equipment (poe)priority functionautomatic mac address learning and auto-agingieee802.3x flow control for full-duplex mode and backpressure for half-duplex modeothercertificationfcc, ce, rohspackage contentstl-sf1008p, power adapter, user guidesystem requirementsmicrosoft windows xp, vista or windows 7, windows 8, mac os, netware, unix or linux.operating environmentoperating temperature: 0? c ~ 40? cstorage temperature -40? c ~ 70? coperating humidity: 10% ~ 90% non-condensingstorage humidity: 5% ~ 90% non-condensing