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Chapter 3 Troubleshooting 1240AG Series Autonomous Access Points
Low Power Condition
Table | Using Cisco IOS Commands |
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| Cisco IOS Commands |
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Power Source |
| Access Point | Cisco Switch |
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AC power module | None required | power inline never | |
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Cisco switch that supports Intelligent Power | no power inline negotiation prestandard source | power inline auto | |
Management1 |
| no power inline negotiation injector |
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Cisco switch that does not support Intelligent | power inline negotiation prestandard source | power inline auto | |
Power Management1 | no power inline negotiation injector |
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Power injector2 used with a Cisco switch that | None required3 | power inline never4 | |
supports Intelligent Power Management1 |
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Power injector2 used with a Cisco switch that | no power inline negotiation prestandard source | power inline never | |
does not support Intelligent Power | power inline negotiation injector installed |
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Management1 |
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Power injector used with a | None required | – | |
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802.3af compliant | None required | – | |
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1.You should check the release notes for your Cisco power source to determine which Cisco IOS release supports Intelligent Power Management. Support for Intelligent Power Management might not be currently available for your Cisco power source.
2.Power injector must be
3.The Cisco switch uses Intelligent Power Management to inform the access point of the power injector being used.
4.Cisco switches that support Intelligent Power Management always configure the use of a power injector at the switch.
Issuing the Cisco IOS Command Using the CLI
Follow these steps to issue the Cisco IOS command for your power scenario:
Step 1 Connect a PC to the access point console port and use a terminal emulator to establish a session with the access point (refer to the “Connecting to the Access Point Locally” section on page
Step 2 From the global configuration mode (refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points), enter the command below that applies to your power configuration (see Table
•power inline negotiation injector installed
•no power inline negotiation injector
•power inline negotiation prestandard source
•no power inline negotiation prestandard source
Step 3 Enter the write memory command to save the setting to the access point memory.
Step 4 Enter the quit command to exit the terminal session.
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
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