... km, LC, LRM)BIDI-SFP Optical ModuleSFP-FE-LX-SM1310-BIDIOptical module -eSFP-FE-BIDI single-mode modules ... (TX1310/ RX1550, 15 km, LC)SFP-FE-LX-SM1550-BIDIOptical module -eSFP-FE-BIDI single-mode modules ... (TX1550/ RX1310, 15 km, LC)SFP-GE-LX-SM1310-BIDI5149 module -eSFP-GE-BIDI single-mode modules ... (TX1310/ RX1490, 10 km, LC)SFP-GE-LX-SM1490-BIDIOptical module -eSFP-GE-BIDI single-mode modules ...