tp-link tl-sf1048 48-port 10/100mbps rackmount switch greenoverviewinnovative energy-saving technology saves up to 50% of consumption100% data filtering eliminates all error packetssupports ieee 802.3x flow control for full-duplex mode and backpressure for half-duplex modeunblocked switching architecture forwards and filters packets full wire speed for maximum throughputswitching capacity 9.6 gbit/sauto mdi/mdix eliminates the need for crossover cablessupports automatic mac address learning and auto-agingsupports auto-negotiation n-way, store and forwardcompact size designed for desktop computers, rackmountdesign plug and play simplifies installationspecificationshardware featuresstandards and protocolsieee 802.3, ieee 802.3u, ieee 802.3xinterface48-port 10/100 mbit/s rj45autonegotiation/auto mdi/mdixnetwork media10base-t: utp category 3, 4, 5 cable (maximum 100m)100base-tx: utp category 5, 5e or above cable (maximum 100m)external power suppliesinput: 100-240 vac, 50/60 hz output: 3.3 vdc/8 afan quantityfanlesspower100-240vac, 50/60hzdimensions (w * h * v)440 * 260 * 44 mmconsumptionmaximum: 9.9w (220v/50hz)performanceswitching capacity9.6gbpsmac address table8kspeedpacket forwarding7.14mppsgreen technologyinnovative energy-efficient technology saves power up to 50%transfer methodstore-and-forwardsoftware featurestransfer methodstoring and forwardingmac address table8000advanced features802.3x flow control, backpressureautomated outbound connections for each portothercertificationfcc, ce, rohspackage contentstl-sf1048power corduser manualsystem requirementsmicrosoft windows xp, vista, windows 7 or windows 8, mac os, netware, unix or linux.operating environmentoperating temperature: 0-40? c, non-operating temperature: -40-70? c, operating humidity: 10-90% non-condensing, non-operating humidity: 5-90% non-condensing