... 1310-nm wavelength, LC duplex connector, extended temperature rangeSFP-10G-ER=10GBASE-ER SFP+ transceiver module for SMF, 1550-nm, LC duplex ... nm SFP+ (100-GHz ITU grid)XENPAK TransceiversXENPAK-10GB-ER=10GBASE-ER XENPAK transceiver module for SMF, 1550-nm wavelength, SC ... duplex connectorXENPAK-10GB-ER+=10GBASE-ER XENPAK transceiver module for SMF, 1550-nm wavelength, SC ...