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  Product Catalog: Cisco: Cisco Interfaces and Modules: Cisco Connected Grid Modules  
Cisco Connected Grid 1-Port T1/Fractional T1 DSU/CSU WIC (Cisco)

The Cisco Channelized T1/E1 and ISDN PRI Rugged WAN interface card (GRWIC) modules are designed for use with the Cisco 2010 Connected Grid Router (CGR 2010). This rugged router platform is optimized for harsh conditions common in utility substations worldwide.

The Cisco Channelized T1/E1 and ISDN PRI Grid Router WAN Interface Cards (GRWICs) combine multiple T1/E1 WAN connectivity with channelized T1/E1 and ISDN Primary Rate Interface (PRI) in the same card. Applications include fractional or full T1/E1 WAN connectivity, ISDN PRI for primary WAN link or WAN backup, and dial access aggregation.

The Cisco CGR 2010 supports both 1- and 2-port versions of the T1/E1 module in a single card. The different versions help customers deploy different port densities depending on WAN needs in utility substation locations.

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