Avaya - SFP (mini-GBIC) transceivermodul - 1GbE - 1000Base-BX - LC-enkeltmodus - opp til 10 km - 1310 (TX) / 1490 (RX) nm - for Nortel Metro Ethernet Services Unit 1850, 1850-12G-DC, 1850-12GE; Passport 8600