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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
Perform these steps to configure your access point power settings using the browser interface:
Step 1 Obtain the access point IP address and browse to your access point.
Step 2 Perform one of these operations:
a. When you browse to your access point operating in low-power mode, a Warning message displays
indicating that all radios are disabled due to insufficient power. Click OK to jump to the System
Power Settings located on the System Software > System Configuration page.
b. When you browse to your access point operating in full-power mode, choose System Software >
System Configuration.
Step 3 Choose one of these Power Settings options (see Figure 3-2):
a. If your Cisco switch supports Intelligent Power Management negotiations, choose Power
Negotiation.
b. If your Cisco switch does not support Intelligent Power Management negotiations, choose
Pre-standard Compatibility.
c. If you are using a non-Cisco switch, changes to the power settings are not required.
Power injector
2
used with a
Cisco switch that supports
Intelligent Power Management
1
Power Settings:
Power Negotiation (selected)
Power Injector:
Installed on Port with MAC Address (unchecked)
power inline never
3
Power injector
2
used with a
Cisco switch that does not
support Intelligent Power
Management
1
Power Settings:
Power Negotiation (selected)
Power Injector:
Installed on Port with MAC Address (checked)
power inline never
Power injector used with a
non-Cisco switch
Configuration changes are not required –
802.3af compliant non-Cisco
switches
Configuration changes are not required –
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 AIR-PWRINJ3 or AIR-PWRINJ-FIB.
3. Cisco switches that support Intelligent Power Management always configure the use of a power injector at the switch.
Table 3-3 Access Point System Power Settings and Cisco Switch Commands (continued)
Power Source Access Point System Power Settings
Cisco Switch
Power Command