Replacing A Routing Engine; Removing A Routing Engine; Figure 84: Insert The Pc Card - Juniper Internet Router M160 Hardware Manual

Figure 84: Insert the PC Card

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Replacing a Routing Engine

The Routing Engines are hot-pluggable, as described in Field-Replaceable Units
(FRUs) on page 4. For a description of the effect of removing a Routing Engine,
see Host Module on page 22. To replace a Routing Engine, perform the following
procedures:

Removing a Routing Engine

To remove a Routing Engine, follow this procedure (see Figure 85):
1.
2.
3.
4.
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Removing a Routing Engine on page 165
Installing a Routing Engine on page 168
Place an electrostatic bag or antistatic mat on a flat, stable surface.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and
connect the strap to one of the ESD points on the chassis. Make sure the router
is attached to a proper earth ground. For more information about ESD, see
"Preventing Electrostatic Discharge Damage" on page 226.
Remove the rear component cover by loosening the thumbscrew at each
corner of the cover and pulling it straight off the chassis. For complete
instructions, see "Removing the Rear Component Cover" on page 86.
If two host modules are installed, use one of the following two methods to
determine which is functioning as master:
Note which of the green host module
interface.
Replacing Hardware Components
LEDs is lit on the craft
MASTER
Replacing Host Module Components
165