Cisco DWDM-SFP10G-55.74 Compatible 10G DWDM SFP+ C27 100GHz 1555.74nm 80km LC SMF DDM Transceiver Module
Cisco DWDM-SFP10G-55.74 Compatible 10G DWDM SFP+ 1555.74nm transceiver supports up to 80km link lengths over single-mode fiber via an LC duplex connector.