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Removing and Installing Port Adapters
This chapter describes how to remove the PA-4B-U port adapter from supported platforms and also how
to install a new or replacement port adapter. This chapter contains the following sections:
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Handling Port Adapters
Each port adapter circuit board is mounted to a metal carrier and is sensitive to electrostatic discharge
(ESD) damage.
When a port adapter slot is not in use, a blank port adapter must fill the empty slot to allow the router or
Note
switch to conform to electromagnetic interference (EMI) emissions requirements and to allow proper
airflow across the port adapters. If you plan to install a new port adapter in a slot that is not in use, you
must first remove the blank port adapter.
When powering off the router, wait a minimum of 30 seconds before powering it on again.
Caution
Caution
Always handle the port adapter by the carrier edges and handle; never touch the port adapter components
or connector pins. (See
OL-3521-02
Handling Port Adapters, page 3-1
Online Insertion and Removal, page 3-2
Warnings and Cautions, page 3-3
Port Adapter Removal and Installation, page 3-3
Connecting the PA-4B-U Interface Cables, page 3-7
Figure
C H A P T E R
3-1.)
PA-4B-U Basic Rate Interface Port Adapter Installation and Configuration
3
3-1
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