N-Tron® NTSFP-LX-40 Compatible 1000Base-LX SFP Transceiver (SMF, 1550nm, 40km, LC). A 100% N-Tron® SFP transceiver that operates at 1550nm over single-mode fiber, with a maximum reach of 40km connected via a LC connector. This N-Tron® compatible SFP...