Cisco ONS 15300 Series

Cisco ISR 3303 Integrated SONET Router End of Life Announcement

Product Bulletin, No. 1307

Cisco ISR 3303 Integrated SONET Router

End of Life Announcement
(Also Known as the Cisco ONS 15303
Optical Networking System)


Cisco Systems announces the end of sales (EoS), end of life (EoL), and end of support for the Cisco ISR 3303/Cisco ONS 15303.

Product Obsolescence Plan

  • EoS (last orderable date)—April 6, 2001

  • EoL (last ship date)—April 6, 2001

  • End of support (last support date)—January 18, 2004

See Table 1 for affected model numbers.

Table 1: Affected Model Numbers
Product Number Description

Top-level ordering number for Cisco ISR 3303 system


Fully equipped, redundant OC-3 Cisco ISR 3303 system


Integrated SONET/SDH router, nonredundant


OC-3 IR module with SC connectors


Cisco ISR 3303 fan spare


Cisco ISR 3303 fan filter spare


Cisco ISR 3303 fuse spare


Cisco ISR 3303 spare chassis -48V


Cisco ISR 3303 blank module spare


Cisco ISR 3303 Cisco IOS® Software base

Recommended Replacement Product

The Cisco ONS 15327 Metro Edge Optical Transport Platform is the recommended product to replace the Cisco ISR 3303/Cisco ONS 15303. Available today, the Cisco ONS 15327 delivers supercharged SONET (Synchronous Optical Network), integrated optical networking, unprecedented multiservices on demand, and radical economics to the edge of metro networks. This evolutionary platform enables service providers to deploy next-generation services more rapidly than ever before. The Cisco ONS 15327 is built on the proven technology of the industry-leading Cisco ONS 15454 Optical Transport Platform, which is widely deployed by customers.

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