Cisco X2-10GB-LR

The Cisco X2-10GB-LR is a transceiver module designed for use in Cisco networking equipment. It is a 10 Gigabit Ethernet transceiver that supports long-range connections over single-mode fiber optic cables. The "LR" in its name stands for "long reach," indicating its ability to transmit data over distances of up to 10 kilometers (6.2 miles). The X2-10GB-LR module is hot-swappable, meaning it can be inserted or removed from a compatible device without powering down the system. It is commonly used in data centers, enterprise networks, and service provider networks to provide high-speed connectivity between network devices.