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wan interface card
The updated Cisco. T1 data service unit/channel service unit (DSU/CSU) WAN Interface Card (WIC) is an integrated, fully managed DSU/CSU for T1 or fractional T1 service. The WIC-1DSU-T1-V2 is an updated version of the WIC-1DSU-T1, offering additional supported features with the same performance.
The Cisco T1 DSU/CSU WIC is supported on the Cisco 1700 Series, 2600XM Series, 3631, and 3700 Series routers, and Cisco ICS 7750 Software. It provides a cost-effective router-DSU/CSU combination with the following benefits of integration:
Fewer devices and cables to deploy and manage
Remote and local configuration, monitoring, and troubleshooting via the Cisco IOS. Software CLI and Simple Network Management Protocol (SNMP)
Flexibility and investment protection
Physical space savings