CISCO SYSTEMS 1-PORT INTERFACE NETWORK (WAN) CARD p/n WIC-1DSU-T1-V2

CISCO WIC-1DSU-T1-V2 - 1-PORT T-1 interface Network (WAN) with DSU/CSU For 16/17/26/36/3700 Series Router p/n WIC-1DSU-T1-V2 with 90 days warranty

Manufacturer's Info:http://www.cisco.com/en/US/products/air-wc-1dsu