Reinstalling The T640 Control Boards; Figure 75: Reinstalling An Scg; Figure 76: Reinstalling A T-Cb - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide

Reinstalling the T640 Control Boards

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Figure 75: Reinstalling an SCG

To reinstall the control boards (see
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Carefully align the sides of the control board with the guides inside the chassis.
2.
Slide the control board into the chassis, carefully ensuring that it is correctly aligned.
3.
Grasp both ejector handles and press them inward to seat the control board.
4.
Tighten the captive screws on the ejector handles, using a Phillips (+) screwdriver,
5.
number 2.
Repeat the procedure to reinstall the remaining control board.
6.

Figure 76: Reinstalling a T-CB

Figure 76 on page 126 and
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Figure 77 on page 127):