Installing A Tx Matrix Three-Input 240-A Dc Power Supply; Figure 127: Three-Input 240-A Dc Power Supply - Juniper TX MATRIX Hardware Manual

Installing a TX Matrix Three-Input 240-A DC Power Supply

Copyright © 2010, Juniper Networks, Inc.

Figure 127: Three-Input 240-A DC Power Supply

Each three-input 240-A DC power supply weighs approximately 25 lb (11.3 kg). To install
a three-input 240-A power supply:
Make sure that the voltage across the DC power source cable leads is 0 V and that
1.
there is no chance that the cables might become active during installation.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the ESD points on the chassis.
Switch the circuit breakers on the power supply faceplate to the
3.
Using both hands, slide the power supply into the chassis until you feel resistance
4.
(see Figure 128 on page 280).
Twist the ejector handles at the upper corners of the power supply faceplate clockwise
5.
until they stop.
Tighten the captive screws at the lower corners of the power supply faceplate to
6.
secure the power supply in the chassis.
Chapter 24: Replacing TX Matrix Hardware Components
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