Cisco WIC-1DSU-T1

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The T1 Data Service Unit/Channel Service Unit (CSU/DSU) WAN interface card provides full or fractional T1 service. The T1 CSU/DSU WIC does not provide channelized T1 or ISDN PRI.

The Cisco T1 DSU/CSU -V2 WIC is supported on the Cisco 1700 Series, 2600XM Series, 3631, and 3700 Series routers, and Cisco ICS 7750 software.

Cisco 1701, 1710, 1711, and 1712 are fixed-configuration routers and do not support the WIC-1DSU-T1 or WIC-1DSU-T1-V2. Also, the Cisco 1750 does not support this WIC.

Here is a sample configuration for a WIC-1DSU-T1 interface card. There are no controller or controller-related commands, such as channel-group, to configure. With this WIC card, service-module commands are used. The syntax with regard to the framing, line-code, and so on remains the same. In this scenario a full T1 card with 24 timeslots is used. Configuration

Interface serial 0/0
service-module t1 clock source internal
service-module t1 timeslots 1-24 speed 64
service-module t1 framing esf
service-module t1 linecode b8zs
ip address 10.1.1.1 255.255.255.0
encapsulation pppfair-que
no shut