Figure 131: Connecting The Dc Power Cable - Juniper T4000 Hardware Manual

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Figure 131: Connecting the DC Power Cable

Cable lug
Locking
washer
Nut
Tighten the cable restraint captive screw or screws to hold the power cable in place.
4.
Replace the clear plastic cover over the terminal studs on the faceplate.
5.
Verify that the DC source power cabling is correct, that the power cable is not touching
6.
or blocking access to router components, and that it does not drape where people
could trip on it.
Attach the other end of the power cable to the external DC power source.
7.
Switch on the customer site circuit breakers.
8.
Verify that the INPUT PRESENT
9.
indicating that the inputs are receiving voltage.
Switch the power switch on the power supply to the
10.
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 LED on the power supply faceplate is lit steadily, indicating that
DC OK
11.
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
Chapter 31: Replacing Power System Components
Terminal studs
LEDs on the power supply faceplate are lit steadily,
ON position ( | ). The DC OK LED
317