... MMF, 850-nm wavelength, LC duplex connectorSFP-10G-SR-X=10GBASE-SR SFP+ transceiver module for MMF, 850-nm wavelength, LC duplex ... for MMF, 1310-nm wavelength, SC duplex connectorXENPAK-10GB-SR=10GBASE-SR XENPAK transceiver module for MMF, 850-nm wavelength, SC duplex ... for SMF, 1550-nm wavelength, SC duplex connectorX2-10GB-SR=10GBASE-SR X2 transceiver module for MMF, 850-nm wavelength, SC duplex ...