WAN Interface Card
Encyclopedia
A WAN interface card is a specialised network interface card (NIC
) that allows a network device such as a router to connect and transmit data over a Wide Area Network
. A WIC has a built-in channel service data unit (CSU/DSU
) interface to connect to a digital circuit and provide error correction and line monitoring.
A WIC is usually inserted into an expansion slot in a network router.
There are also CISCO HWIC's (High-Speed WAN Interface Cards) for data transmissions and CISCO VWIC's (Voice WAN Interface Cards) for both voice and data transmissions.
NIC
- Banking and insurance companies:* National Insurance Company Limited, India.* National Insurance Company, Pakistan.* National Insurance Corporation, Kenya.* National Insurance Corporation, Tanzania.* National Insurance Corporation, Uganda....
) that allows a network device such as a router to connect and transmit data over a Wide Area Network
Wide area network
A wide area network is a telecommunication network that covers a broad area . Business and government entities utilize WANs to relay data among employees, clients, buyers, and suppliers from various geographical locations...
. A WIC has a built-in channel service data unit (CSU/DSU
CSU/DSU
A CSU/DSU is a digital-interface device used to connect a Data Terminal Equipment device or DTE, such as a router, to a digital circuit, such as a T1 line. The CSU/DSU implements two different functions...
) interface to connect to a digital circuit and provide error correction and line monitoring.
A WIC is usually inserted into an expansion slot in a network router.
There are also CISCO HWIC's (High-Speed WAN Interface Cards) for data transmissions and CISCO VWIC's (Voice WAN Interface Cards) for both voice and data transmissions.