Removing The T4000 Scgs; Figure 45: Removing A Control Board - Juniper T4000 Hardware Manual

T4000 Core Router Hardware Guide

Removing the T4000 SCGs

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CAUTION: Do not stack hardware components on one another after you
remove them. Place each component on an antistatic mat resting on a
stable, flat surface.
Repeat the procedure for the second control board.
7.

Figure 45: Removing a Control Board

The router has one or two SCGs, located in the upper rear of the chassis, above the control
boards and Routing Engines. Each SCG weighs approximately 1.9 lb (0.9 kg).
To remove the SCGs (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 edges of the SCG faceplate.
3.
Grasp the SCG by the handle on the faceplate, and slide it out of the chassis.
4.
Figure 46 on page 155):
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