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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter5 Troubleshooting
LED Summary
Power Supply LEDs
Table 5 -18 summarizes the power supply LEDs for both the AC and DC power supplies.
12-in-1 Connector LEDs Green Port is passing traffic
Solid Yellow Port successfully initialized and in a
down state
Blinking Yellow Port has failed
Off Not Enabled (at POR)
Table5-16 CiscoASR 903 Router LEDs
LED Label Color/State Meaning
Table5-17 Power Supply LEDs
LED Color/State Description
Input OK Off No Input Voltage
Amber Input voltage out of range
Green Input voltage within acceptable operating range
Output Fail Off Disabled/Forced Shut down/No input power
Red Power supply fault (internal failure such as over temperature)
Green Operational
Table5-18 Power Supply LEDs
LED Color/State Description
Input Power
(PWR)
Off No input voltage
Amber Input voltage out of range
Green Input voltage within acceptable operating range
Status
(STAT)
Off Disabled/power-down/no power
Red Power supply fault (internal failure)
Green Operational