Cisco WAN Interface Cards

EOL/EOS for WAN Interface Card with P/N WIC-1DSU-T1

Table Of Contents

Product Bulletin No. 2424

Product Migration Options

Additional Information

Product Bulletin No. 2424

End-of-Sale and End-of-Life Announcement for the
WAN Interface Card with Part Number WIC-1DSU-T1

Cisco Systems® announces the end of life of the WAN interface card with part number WIC-1DSU-T1. The last day to order the WIC-1DSU-T1 is September 30, 2004. Customers will continue to receive support from the Cisco Technical Assistance Center (TAC) until September 30, 2009. Table 1 describes the end-of-life milestones, definitions, and dates for the WIC-1DSU-T1. Table 2 provides the part number for the end-of-sale product.

Customers are encouraged to migrate to the WAN interface card with part number WIC-1DSU-T1-V2. The WIC-1DSU-T1-V2 has all of the features of the WIC-1DSU-T1. For more information about the WIC-1DSU-T1-V2, please view the data sheet at

The WIC-1DSU-T1-V2 is supported in the following minimum Cisco IOS® Software releases:

12.2(17) Mainline and later

12.3(1) Mainline and later

12.3(2)T and later

12.2(15)ZL and later special releases (Cisco® 1700 Series Router only)

Table 3 provides a product comparison between the WIC-1DSU-T1 and the WIC-1DSU-T1-V2.

Table 1  End-of-Life Milestones and Dates for the WIC-1DSU-T1 

End-of-life announcement date

The date the document that announces the end of sale and end of life of a product is available externally to the general public.

March 1, 2004

End-of-sale date

The last date to order the product through Cisco point-of-sale mechanisms. The product is no longer for sale after this date.

September 30, 2004

Last shipment date

The last-possible date that Cisco and/or its contract manufacturers will ship the affected product.

December 31, 2004

End of software maintenance releases date

The last date that Cisco Engineering may release any final software maintenance releases or bug fixes. After this date, Cisco Engineering will no longer develop, repair, maintain, or test the product software.

September 30, 2005

End of routine failure analysis date

The last possible date a routine failure analysis may be performed to determine the cause of product failure or defect.

September 30, 2005

End of new service attachment date

For equipment and software that is not covered by a service-and-support contract, this is the last date to order a new service-and-support contract or add the equipment and/or software to an existing service-and-support contract.

September 30, 2005

End of service contract renewal date

The last date to extend or renew a service contract for the product. The extension or renewal period cannot extend beyond the last date of support.

September 30, 2008

Last date of support

The last date to receive service and support for the product. After this date, all support services for the product are unavailable, and the product becomes obsolete.

September 30, 2009

Table 2   Product Part Numbers Affected by This Announcement

End-of-Sale Product Part Number
Product Description

1-Port T1/Fractional T1 DSU/CSU WAN Interface Card

Product Migration Options

The recommended replacement for the WIC-1DSU-T1 is the WIC-1DSU-T1-V2. Table 3 shows some of key differences.

Table 3  Product Comparisons


Updated one-port T1/fractional T1 DSU/CSU WIC

One-port T1/fractional T1 DSU/CSU WIC

Router platforms supported

17001 (1720, 1721, 1751, 1760), 2600XMs, 2691, 3631, 3725, 3745, and ICS 7750

1600, 1600R2 , 17003 , 26004 , 2600XM, 2691, 36005 , and 3700

Wet T1 capable



Short Cable Length Command

Yes; used to configure attenuation for short cable lengths (<660 feet)


Network Equipment Building Standards (NEBS)

Yes: Type I/III


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

2 Cisco 1600 and 1600R routers are no longer sold by Cisco.

3 Cisco 1701, 1710, 1711, and 1712 are fixed-configuration routers and do not support the WIC-1DSU-T1.

4 The Cisco 2600 Series (non-XM) models are no longer sold by Cisco.

5 Cisco 3620, 3640, 3640A, and 3660 (non-CO) models are no longer sold by Cisco.

Additional Information

For more information about Cisco products, please contact your Cisco account manager and/or Cisco Channel Partner.

For more information about the Cisco End-of-Life Policy, go to

To subscribe to receive EOL/EOS information please go to