Powering On A Seven-Input 420-A Power Supply; Figure 132: Installing A Seven-Input 420-A Power Supply - Juniper TX MATRIX PLUS Hardware Manual

TX Matrix Plus Router Hardware Guide
376
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
4.
the strap to one of the ESD points on the chassis.
Switch the circuit breakers on the power supply faceplate to the
5.
Remove the input power tray from the replacement power supply. Store the input
6.
power tray.
Using both hands, slide the power supply into the chassis until you feel resistance
7.
(see Figure 132 on page 376).

Figure 132: Installing a Seven-Input 420-A Power Supply

Slide the power supply input tray into the new power supply.
8.
Push the metal handle of the input power tray up toward the power supply.
9.
Fasten the input power tray to the power supply using the two captive screws. Use a
10.
Phillips screwdriver.
Twist the ejector handles at the upper corners of the power supply faceplate clockwise
11.
until they stop.

Powering On a Seven-Input 420-A Power Supply

To power on a seven-input 420-A power supply:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Switch on the customer site circuit breakers to provide voltage to the DC power source
2.
cables.
Verify that the
INPUT PRESENT
3.
green, indicating that the inputs are receiving power.
Switch the circuit breakers on the power supply to the
4.
Tighten captive screws.
Input power tray
LEDs on the power supply faceplate are lit steadily
ON
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