Replacing A T640 Lcc-Cb; Removing A T640 Lcc-Cb - Juniper T640 Hardware Manual

Replacing a T640 LCC-CB

Copyright © 2013, Juniper Networks, Inc.
1. Removing a T640 LCC-CB on page 263
Installing a T640 LCC-CB on page 264
2.

Removing a T640 LCC-CB

The router can have up to two LCC-CBs. They are located in the upper rear of the chassis
in the slots marked CB0 and
CAUTION: Before you replace an LCC-CB, you must take the host subsystem
offline. If there is only one host subsystem, taking the host subsystem offline
shuts down the router.
The backup LCC-CB is hot-removable and hot-insertable.
CAUTION: If the LCC-CB to be replaced is associated with the Routing Engine
currently functioning as the master Routing Engine, switch it to the backup
before removing the LCC-CB.
To remove an LCC-CB (see
Take the host subsystem offline. See Taking the T1600 Host Subsystem Offline.
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
3.
the strap to one of the ESD points on the chassis.
Loosen the captive screws (using a Phillips (+) screwdriver, number 2) on the ejector
4.
handles on both sides of the LCC-CB faceplate.
Flip the ejector handles outward to unseat the LCC-CB.
5.
Grasp the ejector handles and slide the LCC-CB about halfway out of the chassis.
6.
Place one hand underneath the LCC-CB to support it and slide it completely out of
7.
the chassis.
Place the LCC-CB on the antistatic mat.
8.
If you are not replacing the LCC-CB now, install a blank panel over the empty slot.
9.
Chapter 17: Replacing T640 Router Hardware Components
CB1 . Each LCC-CB weighs approximately 5 lb (2.3 kg).
Figure 147 on page 264):
263