HPE DWDM-SFP1G-31.89-40 Compatible 1.25G DWDM SFP C57 100GHz 1531.89nm 40km LC SMF DDM Transceiver Module
HPE DWDM-SFP1G-31.89-40 Compatible 1.25G DWDM SFP Transceivers up to 40km throughput over SMF using 1531.89nm wave lengths via Duplex LC connector.