Chapter 3 Installing the Cisco ASR 903 Router
Installing the Power Supply
•OUTPUT FAIL LED is green
Step 4 If the LEDs indicate a power problem, see the Chapter 5, “Troubleshooting”for troubleshooting information.
Step 5 If you are installing a redundant power supply, repeat these steps for the second power source.
Note If you are installing a redundant AC power supply, ensure that each power supply is connected to a separate power source in order to prevent power loss in the event of a power failure.
Removing and Replacing the AC Power Supply
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| This section describes how to remove and replace the AC power supply. | |||
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| Note | The Cisco ASR 903 Router power supplies are | |||||
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| supply modules, you can replace a single power supply without interrupting power to the router. | |||
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| Caution | To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after a power | ||||||
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| supply has been removed or replaced. | |||
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| Warning | When you install the unit, the ground connection must always be made first and disconnected last. | |||||||
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| Statement 1046 | |||
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| Warning | Before performing any of the following procedures, ensure that power is removed from the DC circuit. | |||||||
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| Statement 1003 | |||
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| Warning | Only trained and qualified personnel should be allowed to install, replace, or service this equipment. | |||||||
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| Statement 1030 | |||
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| Warning | Installation of the equipment must comply with local and national electrical codes. Statement 1074 | |||||||
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| Follow these steps to remove and replace the AC power supply: | |||
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| Step 1 | Disconnect the power cord from the power source. Do not touch the metal prongs on the power cord | |||||
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| when it is still connected to the power supply. | |||
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| Step 2 | Remove the power cord from the power connection on the power supply. Do not touch the metal prongs | |||||
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| embedded in the power supply. | |||
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| Step 3 | Loosen the captive installation screws. | |||||
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| Step 4 | Grasp the AC power supply with one hand, and slide it part of the way out of the chassis. Place your | |||||
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| other hand underneath the power supply, and slide it completely out of the chassis. | |||
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| Cisco ASR 903 Router Hardware Installation Guide |
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