Cisco - SFP+ transceiver module - 10 GigE - DWDM - LC - 1528.7-1566.72 nm - refurbished - for P/N: 15454-10GE-XP-WS/ 15454-ADM-10G-RF/ 15454-ADM-10G-WS/ 15454-GE-XPE/ 15454-GE-XPE-WS