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E120 and E320 11.1.x Hardware Guide
CAUTION: Failure to store electronic modules and components correctly can lead to
damage of these items.
Follow these guidelines for storing modules and components:
Cleaning the System
Dust is attracted to the where the air intake vents are located. Clean the area with a
dry cloth every few weeks to prevent excessive accumulation of dust. This cleaning
helps to maintain the efficiency of the cooling system and to prevent damage to
electronic components.
WARNING: Do not insert any metal object, such as a screwdriver, or place your hand
into an open slot or the backplane when the router is on. Remove jewelry (including
rings, necklaces, and watches) before working on equipment that is connected to
power lines. These actions prevent electric shock and serious burns.
CAUTION: When cleaning the system, wear an antistatic wrist strap connected to
an ESD grounding jack. This action helps to protect modules from damage by
electrostatic discharge.
Upgrading NVS Cards on SRP Modules
This section describes how to install higher-capacity NVS cards on switch route
processor (SRP) modules. The procedure you use depends on the number of SRP
modules in the system. A new NVS card already contains the software release you
ordered.
NOTE: The new NVS card must contain the same software release that you are
running on the system.
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Cleaning the System
Store each module in a separate antistatic bag.
Store components in an antistatic plastic container. Some of these containers
can accommodate several components in separate compartments.
Do not store multiple modules or components in an antistatic bag or container
where they can touch other items.
(Optional) Store the item in its antistatic bag or container within the protective
packaging or padded box that the item was shipped in.
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Troubleshooting
