MFR. Name: Cisco | MFR#: SFP-10G-LR-X=
Cisco - SFP+ transceiver module - 10GBase-LR - LC/PC single mode - plug-in module - up to 6.2 miles - 1310 nm
The Cisco SFP-10G-LR-X is a multirate 10GBASE-LR, 10GBASE-LW and OTU2/OTU2e module for extended operating temperature range. It supports a link length of 10 kilometers on standard single-mode fiber (SMF, G.652).