Required Tools And Equipment; Powering Off The System - Cisco 10008 Installation And Configuration Manual

The PRE4 is hot-swappable, which means you can remove and replace a PRE4 while the system is
operating—if you have a standby (redundant) PRE4 installed in the chassis. This feature allows you to
add, remove, or replace a PRE4 while the system maintains all routing information and ensures session
preservation.
Replacing the active PRE4 in a non-redundant chassis (no standby PRE4) causes a system shutdown and
Caution
stops all traffic. If possible, alert all subscribers that the system will not be functioning during the
replacement. The line cards shutdown automatically due to the hardware Online Insertion and Removal
(OIR) interlock in their power systems.
To prevent electrostatic discharge (ESD) damage, handle the PRE4 by the faceplate or the card carrier
Caution
edges only. Avoid touching the printed circuit board and its components, or any connector pins.
New Installation Guidelines
If you are replacing the PRE4 in a non-redundant system, you must configure the PRE4 using the
configure command. For configuration information, refer to the
page
Replacement Installation Guidelines
If the PRE4 is replaced in a redundant system containing two PRE4, the standby (or newly installed)
PRE4 automatically assumes the configuration of the active PRE4; do not configure the new PRE4.

Required Tools and Equipment

You need the following tools and equipment to install the PRE4:
•
•
•

Powering Off the System

Use the following steps to power down the system:
If you have redundant Power Entry Modules (PEMs), set both power switches to the off (0) position. See
Caution
Figure 3
Attach an antistatic strap to your wrist or ankle and to an ESD socket on the chassis, or to a bare metal
Step 1
surface on the chassis or frame.
Set the power switch to the off (0) position.
Step 2
OL-13840-01
19.
A 3/16-inch flat-blade screwdriver
An ESD-preventive wrist or ankle strap with connection cord
A terminal console to connect to the PRE4 after it is installed
for the DC PEM power switch and
"Configuring a PRE4" section on
Figure 4 for the AC PEM power switch.
Cisco 10008 Router PRE4 Installation and Configuration Guide
Installation Guidelines
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