C H A P T E R
11-1
Cisco 1800 Series Routers (Modular) Hardware Installation Guide
OL-5876-03
11
Installing and Upgrading Internal Modules in
Cisco 1800 Series Routers (Modular)
This chapter describes how to install or upgrade modules that are located internally within the
Cisco 1800 series integrated services routers (modular): memory modules and advanced integration
modules (AIMs). You need to remove the cover from the router to install or remove any of these items.
The chapter contains the following sections:
•
Safety Warnings, page 11-1
•
Modules Internal to the Cisco 1841 Router, page 11-2
Note
To see translations of the warnings that appear in this publication, see the
Regulatory Compliance and
Safety Information for Cisco 1840 Routers
.
Safety Warnings
Warning
Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord.
Statement 1
Warning
Before working on equipment that is connected to power lines, remove jewelry (including rings,
necklaces, and watches). Metal objects will heat up when connected to power and ground and can
cause serious burns or weld the metal object to the terminals.
Statement 43
Warning
During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly
touch the backplane with your hand or any metal tool, or you could shock yourself.
Statement 94
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
Warning
Read the installation instructions before you connect the system to its power source.
Statement 1004
