Cisco Systems 1240AG Manuel D’Utilisation

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Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-8371-05
Chapter 3      Troubleshooting 1240AG Series Autonomous Access Points
Low Power Condition
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 
).
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 
):
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.
Table 3-2
Using Cisco IOS Commands
Power Source
Cisco IOS Commands
Access Point
Cisco Switch
AC power module
None required
power inline never
Cisco switch that supports Intelligent Power 
Management
1
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.
no power inline negotiation prestandard source
no power inline negotiation injector
power inline auto 
Cisco switch that does not support Intelligent 
Power Management
1
power inline negotiation prestandard source
no power inline negotiation injector 
power inline auto
Power injector
2
 used with a Cisco switch that 
supports Intelligent Power Management
1
2.
Power injector must be AIR-PWRINJ3 or AIR-PWRINJ-FIB.
None required
3
3.
The Cisco switch uses Intelligent Power Management to inform the access point of the power injector being used.
power inline never
4
4.
Cisco switches that support Intelligent Power Management always configure the use of a power injector at the switch.
Power injector
used with a Cisco switch that 
does not support Intelligent Power 
Management
1
no power inline negotiation prestandard source
power inline negotiation injector installed 
power inline never
Power injector used with a non-Cisco switch
None required
– 
802.3af compliant non-Cisco switches
None required