Table 14: AC Power Supply Module LEDs on ACX5400 Routers (continued)
DescriptionStateColorLED
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.
On steadilyAmber! (fault)
NOTE: If the AC OK LED and the DC OK LED are unlit, either the AC power cord is not installed
properly or the power supply fuse has failed. If the AC OK LED is lit and the DC OK LED is unlit,
the AC PSM is installed properly, but the power supply has an internal failure.
DC Power Supply LEDs on ACX5400 Routers
Figure 31 on page 46 shows the location of the LEDs on the DC PSM.
Figure 31: DC Power Supply Faceplate on ACX5400 Routers
3—1— Fault LEDInput LED
2—Output LED
CAUTION: The V+ terminals are shunted internally, as are the V– terminals. The same
polarity terminal can be wired together from the same source to provide an additional
current path in a higher-power chassis. Do not connect the terminals to different
sources.
Table 15 on page 47 describes the LEDs on the DC PSMs.
46
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