This gbic transceiver module is designed for use with cisco network equipment and is equivalent to cisco part number ws g5484 this transceiver is built to meet or exceed the specifications of the oem and to comply with multi source agreement msa standards this product is 100 functionally tested and compatibility is guaranteed the transceiver is hot swappable inputoutput device which allows a gigabit ethernet port to link with a fibre optic network oem specific configuration data is load