Cisco速 DWDM-SFP10G-61.41 compatible 10GBase-DWDM SFP+ transceiver (SMF, ITU WL=1561.42nm, ITU CH=20, ITU FQ=192000GHz, 80km, LC). A 100% Cisco速 compatible SFP+ transceiver that operates at ITU Channel 20, ITU Wavenlength 1561.42nm, and ITU Frequency...