This Cisco WS-G5483 compatible GBIC transceiver provides 1000 Base-TX throughput up to 100m over a copper connection using a RJ-45 connector. Our transceiver is guaranteed to be 100% compatible with the equivalent Cisco transceiver. This easy to install, hot swappable transceiver has been programmed, uniquely serialized & data-traffic & application tested to ensure that it will initialize & perform identically. It is built to meet or exceed the specifications of Cisco, as well as to comply with multi-source agreement (MSA) standards to ensure seamless network integration.