1G Transceiver Modules SPBD10 1000LX (LC) single-mode BiDi, 10km SPBD20-14-EXT 1000LX (SC), single-mode BiDi, Ext-Temp, 20km SPBD20-xx/I 1000LX (SC) Single-Mode BiDi, I-Temp, 20km SPBD20DUAL-14 1000BX (LC) single-mode, BiDi CSFP, 20km SPBD20LC/I 1000LX (LC) single-mode BiDi, I-Temp, 20km SPBD40-xx/I 1000LX (LC) single-mode BiDi, I-Temp, 40km SPBD40DUAL-14 1000BX (LC) single-mode, BiDi CSFP, 40km SPEX 1000SX (LC) Multi-Mode, 2km SPEX/E 1000SX (LC) Multi-Mode, Ext-Temp, 2km SPLX10/E 1000LX (LC) single-mode, Ext-Temp, 10km SPLX10/I 1000LX (LC) single-mode, I-Temp, 10km SPLX10a The SPLX10a offers a long-haul option to extend your network up to 10km. SPLX40 1000EX (LC), single-mode, 40km SPLX40/E 1000LX (LC) single-mode, Ext-Temp, 40km SPSX 1000SX (LC), multi-mode, 220-550m SPSX/E 1000SX (LC) multi-mode, Ext-Temp, 220-550m SPSX/I 1000SX (LC) multi-mode, I-Temp, 220-550m SPSX/SC 1000SX (SC) multi-mode SFP, 220-550m SPTX/I 10/100/1000T (RJ-45), I-Temp, 100m SPTXc 10/100/1000T (RJ-45), 100m SPZX120/I 1000LX SFP, LC, SMF, (120km), I-Temp