Dc Power Supply For Acx7100-32C Routers - Juniper ACX7100-32C Hardware Manual

Table 11 on page 26 describes the LEDs on the AC PSM.
Table 11: AC PSM LEDs on ACX7100-32C Routers
LED Color
AC input status LED Unlit
Green
DC output status LED Unlit
Green
Fault LED Amber

DC Power Supply for ACX7100-32C Routers

The two power supply modules (PSMs) in ACX7100-32C routers are hot-removable and hot-insertable
field-replaceable units (FRUs). The PSMs are preinstalled in the router. The DC power supply in
ACX7100-32C is 1600 W with dual feeds for power resiliency. You can install replacement PSMs
without powering off the router or disrupting the router function.
State Description
Off The PSM is disconnected from power, or there is no input power
to the PSM.
On steadily There is input AC power supply to the PSM.
Off There is no output voltage from the PSM. Check the PSM.
On steadily There is output voltage from the PSM.
On steadily An error is detected in the PSM. Replace the PSM as soon as
possible. To maintain proper airflow through the chassis, leave
the PSM installed in the chassis until you are ready to replace it.
Blinking The PSM is an invalid model.
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