WS-G5484, DW-D1285-05CG: 1.25Gbps 500m GBIC Optical ... to SFF-8053 Ordering information Part number Product Description DW-D1285-05CG GBIC, 1.25G, 850nm, SC, 550m ... , 0°C~+70°C DW-D1231-20CG GBIC, 1.25G, 1310nm, SC, 20km, ... 0°C~+70°C DW-D1231-40CG GBIC, 1.25G, 1310nm, SC, 40km, ... 0°C~+70°C DW-D1255-80CG GBIC, 1.25G, 1550nm, SC, 80km, ...