Figure 191: Connecting A Power Cable To A Four-Input 240-A Dc Power - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
328

Figure 191: Connecting a Power Cable to a Four-Input 240-A DC Power

Supply
Cable lug
Locking
washer
Nut
Loosen the captive screws on the cable restraint on the right edge of the power supply
11.
faceplate.
Route the DC power cables through the cable restraint.
12.
Tighten the cable restraint captive screws to hold the power cables in place.
13.
Verify that the power cabling is correct, that the power cables do not touch or block
14.
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.
15.
Switch on the customer site circuit breakers to provide voltage to the DC power source
16.
cables.
Verify that the
INPUT PRESENT
17.
indicating that the inputs are receiving power.
Switch the circuit breakers on the power supply to the
18.
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.
Terminal studs
LEDs on the power supply faceplate are lit steadily,
position ( ).
ON |
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