Replacing A T4000 Lcc-Cb; Removing A T4000 Lcc-Cb - Juniper T4000 Hardware Manual

T4000 Router Hardware Guide

Replacing a T4000 LCC-CB

Removing a T4000 LCC-CB

228
RJ-45 Connector Pinouts for the T4000 Management ETHERNET Port on page 351
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
Removing a T4000 LCC-CB on page 228
1.
Installing a T4000 LCC-CB on page 229
2.
CAUTION: Before you replace a control board, you must take the host
subsystem offline. The backup control board is hot-removable and
hot-insertable. If the control board to be replaced is associated with the
Routing Engine currently functioning as the master Routing Engine, switch
the master to the backup before removing the control board. If there is only
one host subsystem, taking the host subsystem offline shuts down the router.
To remove an LCC-CB (see
Take the 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.
CB1 . Each LCC-CB weighs approximately 5 lb (2.3 kg).
Figure 98 on page 229):
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