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. Device Type: Switch - 48 ports Enclosure Type: Rack-mountable Subtype: Gigabit Ethernet Ports: 48 x 10/100/1000 MAC Address Table Size: 8K entries Features: Flow control, full duplex capability, auto-negotiation, auto-uplink (auto MDI/MDI-X), store and forward Compliant Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x Power: AC 120/230 V (50/60 Hz) Dimensions (WxDxH): 17.3 in x 14.2 in x 1.7 in Device Type: Switch - 48 ports Enclosure Type: Rack-mountable Subtype: Gigabit Ethernet Ports: 48 x 10/100/1000 MAC Address Table Size: 8K entries Features: Flow control, full duplex capability, auto-negotiation, auto-uplink (auto MDI/MDI-X), store and forward Compliant Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x Status Indicators: Link activity, power Interfaces: 48 x 1000Base-T - RJ-45 Voltage Required: AC 120/230 V (50/60 Hz) Compliant Standards: FCC Width: 17.3 in Depth: 14.2 in Height: 1.7 in Min Operating Temperature: 32 °F Max Operating Temperature: 104 °F Humidity Range Operating: 10 - 90%