Cisco 1941 Installing And Upgrading

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Installing and Upgrading Internal Modules and

FRUs in Cisco 1900 Series ISRs

First Published: May, 14, 2010

OL-22230-01

This document describes how to install or upgrade modules that are located internally within your Cisco

1900 series integrated services router, such as internal modules, memory, internal service modules

(ISMs), power supplies, and blowers. You need to remove the cover from the router to install or remove

any of these items. The document contains the following sections:

The Cisco 1905 ISR and Cisco 1921 ISR have no user- removable or user-installable components. Do

Note

not remove the chassis cover.

Safety Warnings, page 2

•

Modules Internal to the Cisco 1905 and 1921 Routers, page 4

•

Modules Internal to the Cisco 1905 and 1921 Routers, page 4

•

Obtaining Documentation and Submitting a Service Request, page 24

•

Note

To see translations of the warnings that appear in this publication, refer to the

and Safety Information for Cisco 1900 Series Integrated Services Routers

your router.

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