... single mode) 1555.75nm/1555.74nm Optical module XFP DWDM Cisco,hp,3com,alcatel compatible Highlight10G SM (single mode) 1555. ... .75nm 40km LC connectorOptical module XFP DWDM10GBase at 10.3125GbpsCompatible Cisco, HP, 3com, alcatel, Nortel, Extreme... Model DWDM-XFP- ... .3125Gbps 10GBASE at 9.953Gbps Other optical linksOrder information Part NumberProduct Description DWDM-XFP-EX2740 10Gbps XFP DWDM 1555. ...