... modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 40km transmission distance with SMF. The transceiver consists of three ... class I laser safety requirements. The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472.For further ... FCC ,ISO , UL, Cost effective.100% Compatible with Cisco,HP,Finisar,3com, etc. 1.25G , Fiber Optical Transceiver ,CWDM-GBIC-1550nm ...