Removing The T4000 Scgs; Figure 46: Removing A Control Board - Juniper T4000 Hardware Manual

T4000 Router Hardware Guide

Removing the T4000 SCGs

92

Figure 46: 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.
Place the SCG on the antistatic mat.
5.
Repeat the procedure for the second SCG.
6.
Figure 47 on page 93):
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