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ERX 11.1.x Hardware Guide
CAUTION: Be sure to cover every empty slot with a blank filler panel to protect the
system from dust or other foreign substances and to ensure proper system cooling.
CAUTION: Do not discard the antistatic bag. When a module is not in use, store it
in an antistatic bag.
Order of Installation
Before you attempt to install or replace a line module (inserted in the front of the
chassis), make sure the corresponding I/O module (inserted in the rear of the chassis)
is already in place. The slot diagnostics run when a line module is installed in a chassis
slot. If the corresponding I/O module is not present, the diagnostics fail, and you
need to remove and reinsert the module.
Required Tools and Safety Items
You need the following tools to install a line module:
Safety Guidelines
Before and during the installation process, observe the following precautions:
WARNING: Do not work on the system or connect or disconnect cables during
lightning activity.
WARNING: Be sure circuit breakers for the power source are in the OFF position
before attaching power cables.
WARNING: Remove jewelry (including rings, necklaces, and watches) before working
on equipment that is connected to power lines. Metal objects heat up when connected
to power and ground and can cause serious burns or become welded to the terminals.
WARNING: Do not insert any metal object, such as a screwdriver, into an open slot
or the backplane. Doing so can cause electric shock and serious burns.
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Safety Guidelines
A No. 2 Phillips screwdriver
An ESD wrist strap
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Troubleshooting
