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Replacing Hardware Components
Tool or part Components
Wire cutters
Alarm relay contacts on CIP
Rubber safety cap Fiber-optic PIC or PIC cable
CAUTION: Do not substitute a metric nut driver or wrench. A tool t hat does not fit
thenutsexactlycandamagethem.Ifa7/16-in.toolisnotavailable,usepliersor
an adjustable wrench.
Replacing the CIP and Routing Engine Interface Port Cables
The CIP is located to the left side of the FPC card cage, as shown in Figure 1. It
houses the Routing Engine interface ports, which accept connections to external
management and alarm-reporting devices.
The CIP is field-replaceable, but you must power off t he router before removing or
installingit.Itweighsabout6.5lb(3kg).Thecablesandwirethatconnecttothe
Routing Engine interface ports are hot-removable and hot-insertable.
To replace the CIP and cables connecting to the Routing Engine interface ports,
perform the following procedures:
Removing the CIP on page 141
Installing the CIP on page 143
Replacing Connections to Routing Engine Interface Ports on page 145
Removing the CIP
To remove the CIP, follow this procedure (see Figure 64):
1. Place an electrostatic bag or antistatic mat on a flat, stable surface.
2. On the console or other management device connected to the master Routing
Engine, enter CLI operational mode and issue the following command to shut
down the router software. (If two Routing Engines are installed, also issue the
command on the backup Routing Engine.)
user@host> request system halt
NOTE: Wait until a message appears on the console confirming that the operating
system has halted.
Replacing the CIP and Routing Engine Interface Port Cables 141