XFP10GER-192IRL-RF - Cisco Single-Mode 10Gbps 10GBase-ER/EW Fiber 40km 1550nm Duplex LC Connector XFP Transceiver Module

Cisco Multirate - XFP transceiver module - SONET/SDH, 10 Gigabit Ethernet - 10GBase-ER, 10GBase-EW - LC single mode - up to 24.9 miles - OC-192/STM-64 - 1550 nm - refurbished - for Cisco 1, CRS-1, CRS-3 20; Ethernet Services Plus Transport Line Card The Cisco XFP transceivers are hot-swappable input/output devices that plug into a 10 Gigabit port, which connects the system module port with a fiber-optic network.