Cisco - XFP transceiver module - SONET/SDH, 10GbE, 10Gb Fibre Channel - 10GBase-LR - LC single-mode - up to 6.2 miles -

Cisco - XFP transceiver module - SONET/SDH, 10GbE, 10Gb Fibre Channel - 10GBase-LR - LC single-mode - up to 6.2 miles - OC-192/STM-64 - 1310 nm - refurbished - for P/N: 15454-10G-XR=, 15454E-10G-XR, 15454E-10G-XR=

The industry-standard Cisco Small Form-factor Pluggable (SFP) Gigabit Interface Converter is a hot-swappable input/output device that plugs into a Gigabit Ethernet port or slot, linking the port with the network. SFPs can be used and interchanged on a wide variety of Cisco Systems products and can be intermixed in various combinations on a port-by-port basis.