The transceiver form LR-LINK is a small form factor pluggable module for serial optical data communications such as IEEE 802.3 ae 10GBASE-LR/LW. It is with the SFP+ 20-pin connector to allow hot plug capability. Digital diagnostic functions are available via an I2C. This module is designed for single-mode fiber (SMF) and operates at a nominal wavelength of 1310 nm.