The GBM-GSX+ is a high performance 1310nm multimode GBIC transceiver supporting full duplex, gigabit speeds on multimode fiber for distances of up to 2km on 62.5µ or 50µ fiber respectively. This hot pluggable unit has a metal housing to reduce EMI and to increase durability. 1310nm Multimode Transceiver Duplex SC Connector Metal Enclosure Reduces EMI 3.3V Power Supply Hot Pluggable Multi-Vendor Device Support Up to 2km on 50/125µ Up to 2km on 62.5/125µ Up To 1.25Gbps Bi-Directional (Gigabit) Up To 1.0625Gbps Bi-Directional (Fiber Channel)