LR-LINK LRGP1312-20ATLD-TX-RX Gigabit unidirectional module transceiver has a transmission capacity of up to 1.25G b/s and is suitable for 1.25G b/s Ethernet. It complies with the Ethernet IEEE 802.3 standard and the Fibre Channel FC-PI Rev. 5.0 standard, providing a fast and reliable interface for GE/FC applications. LRGP1312-20ATLD-TX-RX is a small pluggable optical transceiver module that complies with the SFF-8472 standard and implements digital diagnostic functions through a two-wire serial bus.