Cisco WS-G5483 Copper GBIC RJ-45 1000BASE-T Transceiver Switch Module.
Data Transfer Rate: 1Gbps
Network/Communications: 1000BASE-T
Input/Output Ports: RJ-45; GBIC
Form Factor: Plug-in module
Features: Max Transfer Distance 328 ft; Operating: 0°C to 70°C; Storage: -40°C to 85°C; 1x Fiber Channel; Switch to Switch Interface Gigabit Ethernet; Switched Backplane Applications Router/Server Interface; Media Converters