48-port Unmanaged Gigabit Rackmount Switch TL-SG1048 The TL-SG1048 is specially designed for Ethernet (10Mbps), Fast Ethernet (100Mbps) and Gigabit Ethernet (1000Mbps) with seamless link. Each port supports up to 2000Mbps throughput in full duplex mode. It is the perfect choice to improve the performance of Offices and workgroup networks. Features: All ports support Full/half duplex transfer mode for 10Mbps/100Mbps and Full duplex transfer mode for 1000Mbps Supports Auto-MDI/MDIX function Supports IEEE 802.3X flow control for full-duplex mode and back pressure flow control for half-duplex mode Store and forward Switching scheme Specifications: Standards and Protocols IEEE802.3, 802.3u, 802.3ab, 802.3x CSMA/CD, TCP/IP Basic Function Wire-speed Performance MAC Address Auto-Learning and Auto-aging IEEE802.3x flow control for Full-Duplex Mode and backpressure for Half-Duplex Mode Backbound Bandwidth 96Gbps MAC Address Table 8k Forwarding Rate 10BASE-T: 14880pps/port 100BASE-TX: 148800pps/port 1000BASE-T: 1488000pps/port Transmission Method Store-and-Forward Ports 48 10/100/1000Mbps Auto-Negotiation RJ45 ports (Auto MDI/MDIX) Network Media 10Base-T: UTP category 3, 4, 5 cable (maximum 100m) EIA/TIA-568 100Ù STP (maximum 100m) 100Base-Tx: UTP category 5, 5e cable (maximum 100m) EIA/TIA-568 100Ù STP (maximum 100m) 1000Base-T: UTP category 5, 5e cable (maximum 100m) LED Indicators Power, Link/Act Safety & Emission FCC, CE Dimensions (W*D*H) 17.3*14.2*1.7 in. (440*360*44 mm) 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 Power 100-240VAC, 50/60Hz