Features compliant with SFP MSA compliant with IUT-T G.957 and G.958 complaint with MSA SFP Specification compliant with Industry Standard RFT Electrical Connector and Cage 5.100() Differential AC coupled PECL Outputs 6.Single 3.3V Power supply and TTL Logic Interface, optional TTL and PECL Logic Interface for LOS signal 7.Up to 155M/ 1.25G/2.125G/4.25G bi-directional data links 8.850nm VCSEL Laser Transmitter 9.850nm:300m with 62.5/125, 500m with 50/125, 2Km with 50/125 ? MMF, 1310nm FP Laser,SMF for 15Km and 20Km ,1310DFB for 40km Transmission, 1550nm DFB Laser,SMF for 80km, 1550 with APD receiver for 120km Transmission. 10.Extended Operating Temperature Range(0 degree to 70 degrees) 11.Hot Pluggable 12.EEPROM with Serial ID functionality 13.Duplex LC Connector Interface 14.Low EMI and Low power dissipation 15.Class 1 Laser Product Compliant with the Requirements of IEC 60825-1 and IEC 60825-2 Applications 1.100Base Fast Ethernet 2.SDH/STM-1, SONET/OC-3,ATM 3.Switch to switch interface 4.High speed I/O for file servers 5.Bus extension applications 6.1.25 Gbps 1000Base-SX Ethernet 7.Dual Rate 1.063/2.125 Gbps Fibre Channel 9.Tri-Rate 1.063/2.125/4.25 Gb/s Fibre Channel 10.Fibre channel 11. Switch to Switch interface 12.File server interface4.25Gbps SFP 2.125Gbps SFP