What is a Cisco WIC-1DSU-T1?

The Cisco WIC-1DSU-T1 is an integrated network module for T1 or fractional T1 service.  Does not require an external CSU/DSU.  This WIC is supported on the Cisco 1600, 1700, 2600 and 3600 series routers.

Here are some of the key features of the WIC-1DSU-T1:

-T1 or fractional T1 network interface
-N X 64 kbps or N X 56 kbps, nonchannelized data rates (N = 1 to 24)
-Standards based, including ANSI T1.403 and AT&T Publication 62411
-Full management features

Official Cisco Product Number and Description

WIC-1DSU-T1 - One-port T1/fractional T1 DSU/CSU WAN interface card

Over the last few years counterfeit units coming in from China have hit the market.  Buyers should be aware of this issue and learn how to spot a counterfeit WIC-1DSU-T1 before purchasing.

If you are ever in the market for a Cisco WIC-1DSU-T1, Teksavers in Austin, TX buys and sells genuine new & used cisco WIC-1DSU-T1 interface modules and can save you up to 90% off list price.  With their SAFE Guard program, you are assured of getting a used WIC-1DSU-T1 in excellent working condition with a 1 year warranty included.