Table 16: LEDs at System Startup
Display Contents/LED Status and Meaning
Type of Indicator
Component
Green: The line card is enabled and ready
for use.
Status LED
Line Card
Green (ON): Input AC power OK.Amber
(OFF): No fault is present.The correct
power module voltages are present and no
faults have been detected.
Power status LEDs
AC Power Modules
Green (ON): Input DC power OK.Amber
(OFF): No fault is present.The correct
power module voltages are present and no
faults have been detected.
Power status LEDs
DC Power Modules
Green (ON): Fan Tray OK.
The fan tray fans are operating correctly.
Fan tray status LED
Fan Tray
Troubleshooting the Power Subsystem
For the RP card to communicate properly to a power module, input power to at least one of the two power
modules should be present.
Note
Troubleshooting the AC-Input Power Subsystem
AC-input power modules are monitored for internal temperature, voltage, and current load by the RP. If the
router detects an extreme condition, it generates an alarm and logs the appropriate warning messages on the
console.
Cisco ASR 9001 and Cisco ASR 9001-S Routers Hardware Installation Guide
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Troubleshooting the Installation
Troubleshooting the Power Subsystem