Replacing a T4000 Routing Engine
1.
Removing a T4000 Routing Engine on page 267
2.
Installing a T4000 Routing Engine on page 268
Removing a T4000 Routing Engine
The router can have one or two Routing Engines. They are located in the upper rear of
the chassis in the slots marked
RE0
and
RE1
. Each Routing Engine can weigh up to
2.4 lb (1.1 kg). The backup Routing Engine is hot-removable and hot-insertable.
CAUTION:
Before you replace a Routing Engine, you must take the host
subsystem offline. If there is only one host subsystem, taking the host
subsystem offline shuts down the router. If the Routing Engine to be replaced
is currently functioning as the master Routing Engine, switch it to be the
backup before removing it.
To remove a Routing Engine (see
Figure 125 on page 268
):
1.
Take the host subsystem offline.
2.
Place an electrostatic bag or antistatic mat on a flat, stable surface.
3.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
the strap to one of the ESD points on the chassis.
4.
Loosen the captive screws on the corners of the Routing Engine cover.
5.
Grasp the Routing Engine cover by its edges, and pull it free from the chassis (see
Figure 124 on page 268
).
6.
If applicable, loosen the screws on the extractor handles at either end of the Routing
Engine faceplate, using a Phillips screwdriver.
7.
Press the red tabs on the ejector handles on both sides of the Routing Engine faceplate.
8.
Flip the ejector handles outward to unseat the Routing Engine.
9.
Grasp the Routing Engine by the ejector handles, and slide it about halfway out of the
chassis.
10.
Place one of your hands underneath the Routing Engine to support it, and slide it
completely out of the chassis.
11.
Place the Routing Engine on the antistatic mat.
12.
If you are not replacing the Routing Engine now, reinstall the Routing Engine cover,
and tighten the screws on the corners of the cover to secure it to the chassis.
267
Copyright © 2013, Juniper Networks, Inc.
Chapter 19: Replacing T4000 Router Hardware Components
Содержание T4000 -
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