This Cisco SFP-OC48-LR2 is a OC48 LR2 SFP 1550nm 80km transceiver module. The SFP-OC48-LR2 transceiver module provides a low cost high-performance connection. We supply the SFP-OC48-LR2 equivalent SFP transceivers and make sure it is fully compatible with your system.