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Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-8371-05
Chapter 4 Troubleshooting 1240AG Series Lightweight Access Points
Manually Configuring Controller Information Using the Access Point CLI
You can use these controller CLI commands to inform the access point of the following:
• The Cisco switch does not support Intelligent Power Management but should be able to supply
sufficient power.
• A power injector is being used to supply sufficient power and the Cisco switch does not support
Intelligent Power Management.
Refer to Table 4-2 for information on when to use these special CLI controller commands and the
corresponding Cisco switch power command.
Caution If the access point receives power through PoE, the output current of the power sourcing equipment
(PSE) cannot exceed 400 mA per port. The power source must comply with IEEE 802.3af or IEC60950
for limited power sources.
Manually Configuring Controller Information Using the Access
Point CLI
In a new installation, when your access point is unable to reach a DHCP server, you can manually
configure needed controller information using the access point CLI. For information on how to connect
to the console port, see the “Connecting to the Access Point Locally” section on page 4-11.
Note The CLI commands in this section can be used only on an access point that is not associated to a
controller.
Table 4-2 Using CLI Power Commands
Power Source
CLI Commands
Cisco Wireless LAN Controller 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.
None required power inline auto
Cisco switch that does not support Intelligent
Power Management
1
config ap power pre-standard enable 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 power inline never
3
3. Cisco switches that support Intelligent Power Management always configure the use of a power injector at the switch.
Power injector
2
used with a Cisco switch that
does not support Intelligent Power
Management
1
config ap power injector enable power inline never
Power injector used with a non-Cisco switch None required –
802.3af compliant non-Cisco switches None required –