Features: 1)Operating data rate up to 1.25G. 2)850nm VCSEL Laser Transmitter 3)550m with 50/125um MMF, 300m on 62.5/125um MMF. 4)Single 3.3V Power supply and TTL Logic Interface 5)Duplex LC connector interface. 6)Hot Pluggable 7) Operatin Case Temperaure Standard: 0-70 Industrial: -40 to +85 8)Compliant with MSA SFP Speciticaiton. 9) Digital diagnostic monitor interface Compatible with SFF-8472.