SRX5600 Services Gateway DC Power Supply LEDs

Each DC power supply faceplate contains three LEDs that indicate the status of the power supply (see Table 21). In addition, a power supply failure triggers the red alarm LED on the craft interface.

Note: An SCB must be present for the PWR OK LED to go on.

Table 21: DC Power Supply LEDs

Label

Color

State

Description

PWR OK

Green

Off

Power supply is not functioning normally. Check the INPUT OK LED for more information.

On

Power supply is functioning normally.

Amber

On

The main output voltage is out of range (lower limit: 37.5 V to 39.5 V; upper limit: 72.5 V to 76 V).

BRKR ON

Green

Green

Off

DC power supply circuit breaker is turned off.

On

DC power input is present and the DC power supply circuit breaker is turned on.

INPUT OK

Green

Off

DC input to the PEM is not present.

On

DC input is present and is connected in correct polarity.

Amber

On

DC input is present, but not in valid operating range or connected in reverse polarity.

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