Products & Services

EOS/EOL for Cisco Catalyst 4000 Chassis, Supervisor Engine I & III DC Power Supplies

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Cisco Systems® announces the end-of-sale and end-of life dates for the Catalyst 4000 Chassis (3-slot) Supervisor Engine 1 and (6-slot) Supervisor Engine III DC power supplies. The last day to order the Catalyst 4000 Chassis (3-slot) Supervisor Engine 1 and (6-slot) Supervisor Engine III DC power supplies is May 3, 2005. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as shown in Table 1 of the EoL bulletin. Table 1 describes the end-of-life milestones, definitions, and dates for the Catalyst 4000 Chassis (3-slot) Supervisor Engine 1 and (6-slot) Supervisor Engine III DC power supplies. Table 2 lists the product part numbers affected by this announcement.

Table 1. End-of-Life Milestones and Dates for the Cisco Catalyst 4000 Chassis (3-slot) Supervisor Engine 1 and (6-slot) Supervisor Engine III DC power supplies




End-of-Life Announcement Date

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

January 26, 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.

May 3, 2005

Last Ship Date:

The last-possible ship date that can be requested of Cisco and/or its contract manufacturers. Actual ship date is dependent on lead time.

August 3, 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.

May 3, 2006

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.

May 3, 2006

End of Service Contract Renewal Date:

The last date to extend or renew a service contract for the product.

May 3, 2009

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.

May 3, 2010

HW = Hardware OS SW = Operating System Software App. SW = Application Software

Table 2. Product Part Numbers Affected by This Announcement

End-of-Sale Product Part Number

Product Description

Replacement Product Part Number

Replacement Product Description


Catalyst 4000 Chassis (3-slot), Supervisor Engine I, 1 DC P/S, Fans

WS-C4503, WS-C4506, or WS-C4507R

WS-X4013+ or WS-X4515


Deployed with: Cisco Catalyst 4000 and Catalyst 4500 series line cards


Catalyst 4000 Chassis (6-slot), Supervisor Engine III with 2 GE, 2 DC P/S, Fans



Product Migration Options

The recommended replacement for the Cisco Catalyst 4003 chassis with Catalyst 4000 Supervisor Engine I is the Cisco Catalyst 4503 with Supervisor Engine II-Plus.
For a list of benefits of the Cisco Catalyst 4503, please visit:
The recommended replacement for Cisco IOS Software Release 12.1(12c)EW is Cisco IOS Software Release 12.2(25)EWA2 or later. These releases support additional hardware and software features.
Customers can use the Cisco Technology Migration Plan (TMP) to trade in products and receive credit toward the purchase of new Cisco equipment. For more information about Cisco TMP, go to: The Cisco TMP application requires all users to have a user ID.
Customers may be able to continue to purchase the end-of-sale product through Cisco's Authorized Refurbished Equipment program. Refurbished units of the end-of-sale product are available in limited supply for sale in certain countries on a first-come, first-served basis. For information about the refurbished equipment program, go to:

For More Information

For more information about the Cisco End-of-Life Policy, go to:
To subscribe to receive end-of-life/end-of-sale information, go to: