The 57-1000042-1 Brocade 1Gbps 1000Base-T SFP Transceiver Module is a reliable solution for high-speed data transmission. Designed for Gigabit Ethernet applications, this module operates at 1 Gigabit per second, providing connectivity over a distance of up to 100 meters. It utilizes the RJ-45 connector, a common and versatile interface for Ethernet connections.