Removing The T4000 Control Boards; Figure 44: Removing A Sib - Juniper T4000 Hardware Manual

Removing the T4000 Control Boards

Copyright © 2018, Juniper Networks, Inc.

Figure 44: Removing a SIB

The router has one or two control boards, located in the upper rear of the chassis in the
slots marked and
CB0 CB1
To remove the control boards (see
Place an electrostatic bag or antistatic mat on a flat, stable surface.
1.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to an approved site ESD grounding point. See the instructions for your site.
Loosen the captive screws on the ejector handles on both sides of the control board
3.
faceplate.
Flip the ejector handles outward to unseat the control board.
4.
Grasp the ejector handles, and slide the control board about halfway out of the chassis.
5.
Place one hand underneath the control board to support it, and slide it completely
6.
out of the chassis. Place it on the antistatic mat.
Chapter 19: Installing the Router into a Rack Without a Mechanical Lift
. Each LCC-CB weighs approximately 5 lb (2.3 kg).
Figure 45 on page 154):
153