Juniper SRX5400 Hardware Manual page 116

SRX5400 Services Gateway Hardware Guide
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Documentation
102
NOTE: If the system temperature exceeds the threshold, Junos OS shuts
down all power supplies so that no status is displayed.
Junos OS also can shut down one of the power supplies for other reasons.
In this case, the remaining power supplies provide power to the services
gateway, and you can still view the system status through the CLI or display.
Check that the AC input switch (
that the power supply is receiving power.
Verify that the source circuit breaker has the proper current rating. Each power supply
must be connected to a separate source circuit breaker.
Verify that the AC power cord or DC power cables from the power source to the services
gateway are not damaged. If the insulation is cracked or broken, immediately replace
the cord or cable.
Connect the power supply to a different power source with a new power cord or power
cables. If the power supply status LEDs indicate that the power supply is not operating
normally, the power supply is the source of the problem. Replace the power supply
with a spare.
Troubleshooting the SRX5400 Services Gateway with the Junos OS CLI on page 93
Troubleshooting the SRX5400 Services Gateway with the Craft Interface LEDs on
page 94
Troubleshooting the SRX5400 Services Gateway with Alarm Relay Contacts on page 94
) or DC circuit breaker ( ) is in the on position and
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