Black Box ServSwitch Single-mode SFP Module - SFP (mini-GBIC) transceiver m

As standard, the SFP supports connections to a duplex, 9 micron single-mode cable, but it can also be used with a duplex 50- or 62.5-micron multimode cable. Supports point-to-point connections only. Connecting through active network components, such as Ethernet hubs or routers, is not supported.