CWDM XFP Multiprotocol 10 Gbps Pluggable Transceiver, Single Mode 1ww0nm LC 23dB / 80km, 10GBASE-ZW/ZR Ethernet, 10G Fibre Channel, SONET OC-192 IR-2/SONET OC-192 IR-3, SDH STM S-64.2b/SDH STM S-64.3b, ITU-T G.709