Removing The T640 Scgs; Figure 65: Removing A T-Cb; Figure 66: Removing An Lcc-Cb - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide

Removing the T640 SCGs

114

Figure 65: Removing a T-CB

Figure 66: Removing an LCC-CB

The router can have one or two SCGs installed. The SCGs are 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 67 on page 115):
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