BIDI GBIC, 1.25G, Optic module/Transceiver, Cisco compatible Features Dual data-rate of ... Description The GBIC transceiver is high performance, cost effective module supporting dual data-rate of 1.25Gbps/1.0625Gbps ... Ordering information Part number 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, ...