9. Turn on the dedicated customer site circuit breaker to the power supply.
10. On each of the DC power supplies, switch the DC circuit breaker to the center position
before moving it to the on (—) position.
NOTE: The circuit breaker may bounce back to the off (O) position if you
move the breaker too quickly.
Observe the status LEDs on the power supply faceplate. If the power supply is correctly
installed and functioning normally, the PWR OK, BRKR ON, and INPUT OK LEDs light
green steadily.
Related
Documentation
• Preventing Electrostatic Discharge Damage to an MX480 Router on page 484
• Replacing an MX480 DC Power Supply on page 370
• Disconnecting an MX480 DC Power Supply Cable on page 377
• MX480 DC Power Supply Description on page 102
229Copyright © 2017, Juniper Networks, Inc.
Chapter 17: Connecting the MX480 Router to Power
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