... 25G, Optic module/Transceiver, Cisco compatible Features Dual data-rate of 1.25Gbps/1.0625Gbps operation 1310nm FP laser and PIN ... Product Description DW-S1253-40CG BIDI GBIC,1.25G,single fiber,1550/1310,SC,40km,0°C~+70°C DW- ... S1235-40CG BIDI GBIC,1.25G,single fiber,1310/1550,SC,40km,0°C~+70°C DW- ... 70°C DW-S1235-03CG BIDI GBIC,1.25G,single fiber,1310/1550,SC,3km,0°C~+70°C Contact ...