Juniper PTX10003-80C Hardware Manual page 117

Figure 43: Connecting a Straight DC Power Cable to a DC Power Supply in a PTX10003
8. Connect the power supply to a 80 A power source by securing the power cables to the four terminal
studs with hex nuts.
9. Use a wrench to tighten the hex nuts by applying torque to between 6 lb-in. (0.68 Nm) and 7 lb-in.
(0.79 Nm).
NOTE: The PTX10003 powers on as soon as power is provided to the power supply. There is
no power switch on the router.
CAUTION:
on the DC power cable connector. Do not overtighten the screws. Applying excessive
torque damages the terminal block and the wiring tray.
10. Repeat Step 3 through Step 8 to connect the other DC power supplies.
11. Verify that the status LEDs on each power supply are lit green and on steadily.
If the status LED is lit amber, remove power from the power supply, and replace the power supply (see
"Maintaining the PTX10003 Power Supplies" on page
have a replacement power supply ready. The power supplies must be installed in the PTX10003 to
ensure proper airflow.
CAUTION:
of removal to prevent chassis overheating.
You must use an appropriate torque-controlled tool to tighten the hexnuts
Replace a failed power supply with a new power supply within 30 seconds
134). Do not remove the power supply until you
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