Features: Up to 1.25G b/s bi-directional data links Hot-pluggable SFP footprint Extended case temperature range (-40?? C to +85?? C ) Fully metallic enclosure for low EMI RoHS compliant and Lead Free Low power dissipation ( 1.05 W typical) Compact RJ-45 connector assembly Access to physical layer IC via 2-wire serial bus 10/100/1000 BASE-T operation in host systems with SGMII interface 
Applications: 1.25 Gigabit Ethernet over Cat 5 cable
 Finisar FCLF8521P2BTL 1.25G bs 1000BASE-T Gigabit Ethernet -4085? ¨??? ¨?? _C Copper SFP Transceiver. In-Stock. Lifetime Warranty.