
Chapter 2 PEM Faults and Fan Assembly Failures
AC PEM Faults
Figure 2-1 AC PEM Front Panel
POWER
FAULT
AC power cord clips
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| AC power plug |
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| AC power switch |
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| 62520 |
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Table | ||||||||||||||||||
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LED | Color |
| Description | |||||||||||||||
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Power | Green |
| The PEM is on, is receiving power from the AC power source, and is providing | |||||||||||||||
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| power to the Cisco uBR10012 chassis (normal operations). | |
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Fault | Yellow |
| Indicates that | |||||||||||||||
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| not supplying power to the chassis, typically because the PEM’s power switch is | |
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| turned to the standby position. | |
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| If the Fault LED is lit when the power switch is in the ON position, the PEM is | |
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| not operating correctly. | |
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Table
Table
Fault Symptom | Corrective Action | |
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Green LED on PEM | 1. Make sure the power switch on the PEM is turned to the ON position. | |
fails to light | 2. | Make sure the PEM is properly seated and that its captive screws have been |
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| tightened. |
| 3. | Make sure that the |
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| plug on the front panel of the PEM. Secure the cord in the clips to ensure |
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| the plug is not accidentally pulled out. |
| 4. | Check the external power source and verify that the |
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| correctly connected to the power outlet. |
| 5. | Move the PEM to the other PEM slot. If the PEM still fails, replace it. |
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Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
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