Srx5400 Firewall Dc Power Supply Leds; Dc Power Cable Specifications For The Srx5400 Firewall - Juniper SRX5400 Hardware Manual

SRX5400 Firewall DC Power Supply LEDs

Each DC power supply faceplate contains three LEDs that indicate the status of the power supply (see
Table 19 on page 33). In addition, a power supply failure triggers the major alarm LED on the craft
interface.
NOTE: The SCB must be present for the PWR OK LED to go on.
Table 19: DC Power Supply LEDs
Label Color State
PWR OK Green Off
On
Amber On
BRKR ON Green Off
Green On
INPUT OK Green Off
On
Amber On

DC Power Cable Specifications for the SRX5400 Firewall

Table 20 on page 34 summarizes the specifications for the power cables, which you must supply.
Description
Power supply is not functioning normally. Check the INPUT OK LED for more
information.
Power supply is functioning normally.
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).
DC power supply circuit breaker is turned off.
DC power input is present and the DC power supply circuit breaker is turned on.
DC input to the PEM is not present.
DC input is present and is connected in correct polarity.
DC input is present, but not in valid operating range or connected in reverse
polarity.
33