Cisco X2 - X2 transceiver module - 10 GigE - 10GBase-ER - SC/PC single-mode - up to 24.9 miles - 1550 nm - refurbished -

Cisco X2 - X2 transceiver module - 10 GigE - 10GBase-ER - SC/PC single-mode - up to 24.9 miles - 1550 nm - refurbished - for Cisco 8; Catalyst 3560E, 3750E, 4500, 4948 10; ME 4924; Supervisor Engine II-Plus-10

The Cisco 10GBASE X2 modules offer customers a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications.