Replacing A T4000 Six-Input Dc Power Supply Front Air Filter - Juniper T4000 Hardware Manual

T4000 Core Router Hardware Guide
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Replacing a T4000 Six-Input DC Power Supply Front Air Filter

312
Route the DC power cables through the cable restraint.
11.
Tighten the cable restraint captive screws to hold the power cables in place.
12.
Verify that the power cabling is correct, that the power cables do not touch or block
13.
access to other hardware components, and that they do not drape where people
could trip on them.
Replace the clear plastic cover over the terminal studs on the faceplate.
14.
Switch on the customer site circuit breakers to provide voltage to the DC power source
15.
cables.
Verify that the
16. INPUT PRESENT
indicating that the inputs are receiving power.
Switch the power switch on the power supply to the
17.
blinks momentarily, then lights steadily.
NOTE: After a power supply is powered on, it can take up to 60 seconds
for status indicators—such as the LEDs on the power supply, the command
output displays, and messages on the LED display on the craft interface—to
indicate that the power supply is functioning normally. Ignore error
indicators that appear during the first 60 seconds.
Verify that the DC OK LED on the power supply faceplate is lit steadily, indicating that
18.
the power supply is correctly installed and is functioning properly.
T4000 Power System Description on page 75
T4000 Six-Input DC Power Supply LEDs on page 77
Maintaining the T4000 Power System on page 338
Troubleshooting the T4000 Power System on page 363
Removing a T4000 Six-Input DC Power Supply Front Air Filter on page 313
1.
Installing a T4000 Six-Input DC Power Supply Front Air Filter on page 313
2.
LEDs on the power supply faceplate are lit steadily,
position (
ON
Copyright © 2018, Juniper Networks, Inc.
). The LED
| DC OK