1000BASE-SX Fibre Kit. Includes 850nm SFP (Small Form factor Pluggable) SX transceiver, LC/LC and LC/SC duplex multimode cables and SC/SC duplex adapter. For LanXPLORER, NaviTEK II, NaviTEK NT, SignalTEK II, SignalTEK NT, UniPRO MGig1 and UniPRO SEL1.