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).
10GBASE SFP+ Modules Data Sheet
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).
Cisco SFP-10G-LR-X, Fiber optic, 10000 Mbit/s, QSFP+, LC, LR, 10000 m
Cisco SFP-10G-LR-X. SFP transceiver type: Fiber optic, Maximum data transfer rate: 10000 Mbit/s, Interface type: QSFP+. Power consumption (typical): 1 W