Cisco CAB-SS-449FC RS-449 Cable is a high-performance serial communication cable designed primarily for data transmission between routers, switches, and other network devices. It features an RS-449 standard interface with a DB-37 connector, making it compatible with Cisco WAN interface modules. This cable is commonly used to link Data Terminal Equipment DTE and Data Communications Equipment DCE  and supports high-speed data transmission, ideal for various WAN connection environments such as leased lines and frame relay.
 

Connect Cisco router with 26-pin male connector to DCE device with DB37 connector.

Designed for Cisco WIC-2T, WIC-2A/S WAN interface cards.

Compatible with Cisco CAB-SS-449FC smart serial cable.

Connector A :     HD26 Male 

Connector B :     DB37 Female

Cable Color :     Blue Color

Compatible :     CAB-SS-449FC

Conductor :     12 Twisted Paris 28 AWG