Cisco DWDM-SFP10G-37.40 Compatible 10G DWDM SFP+ C50 100GHz 1537.40nm 80km LC SMF DDM Transceiver Module
Cisco DWDM-SFP10G-37.40 Compatible 10G DWDM SFP+ 1537.40nm transceiver supports up to 80km link lengths over single-mode fiber via an LC duplex connector.