Cisco DWDM-SFP10G-51.72 Compatible 10G DWDM SFP+ C32 100GHz 1551.72nm 80km LC SMF DDM Transceiver Module
Cisco DWDM-SFP10G-51.72 Compatible 10G DWDM SFP+ 1551.72nm transceiver supports up to 80km link lengths over single-mode fiber via an LC duplex connector.