
Chapter 4 Troubleshooting the Installation
Troubleshooting the DC Power Subsystem
Figure 4-2 DC PEM and PDU
1 | 2 | 3 |
INPUT
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35A
INPUT | OUTPUT | OU |
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OK | TPUT | |||
OK |
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| FAIL |
7 | 5 |
3 6
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1 | DC PDU | 5 | On/Off switch |
2 | DC PEM | 6 | PDU captive screws |
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3 | PEM captive screws | 7 | Terminal Block |
4LEDs
Table
Table | |||
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LED Label |
| Color | Function |
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OUTPUT OK |
| Green | PEM is operating normally in a |
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| condition. |
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INPUT OK |
| Green | DC power is present at the PEM input and |
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| within the specified limits. |
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OUTPUT FAIL |
| Amber | Indicates a failure in the PEM. |
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| Cisco XR 12404 Router Installation Guide |
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