Replacing An Srx5400 Services Gateway Dc Power Supply Cable; Disconnecting An Srx5400 Services Gateway Dc Power Supply Cable - Juniper SRX5400 Hardware Manual

13. Verify that the INPUT OK LED on the power supply is lit green.
14. Switch the circuit breaker on the power supply to the ON position — and 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 will glow green steadily.
NOTE: If more than one power supply is being installed, turn on all power supplies at the
same time.
NOTE: The SCB must be present for the PWR OK LED to go on.

Replacing an SRX5400 Services Gateway DC Power Supply Cable

To replace an SRX5400 Services Gateway DC power supply cable, perform the following procedures:

Disconnecting an SRX5400 Services Gateway DC Power Supply Cable | 242

1.
Connecting an SRX5400 Services Gateway DC Power Supply Cable | 243
2.
Disconnecting an SRX5400 Services Gateway DC Power Supply Cable
To remove a power cable from a DC power supply:
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to an
approved site ESD grounding point.
2. Switch off the external circuit breakers for all the cables attached to the power supply. Make sure that
the voltage across the DC power source cable leads is 0 V and that there is no chance that the cables
might become active during the removal process.
3. Remove the power cable from the DC power source.
4. Detach the ESD grounding strap from the site ESD grounding point, and connect the strap to one of
the ESD points on the chassis.
5. Switch the circuit breaker on the power supply faceplate to the OFF position O.
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