Juniper Networks M160 manual Replacing a Routing Engine, Removing a Routing Engine

Replacing Hardware Components

Figure 84: Insert the PC Card

SFM

SFM

MCS RE

0

1

0 0

PCG 0

1925

Replacing a Routing Engine

The Routing Engines are hot-pluggable, as described in Field-ReplaceableUnits (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 on page 165

Installing a Routing Engine on page 168

Removing a Routing Engine

To remove a Routing Engine, follow this procedure (see Figure 85):

1.Place an electrostatic bag or antistatic mat on a flat, stable surface.

2.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.

3.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.

4.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 MASTER LEDs is lit on the craft interface.

Replacing Host Module Components 165