Configuring Power Over Ethernet - Cisco 2100 Series Configuration Manual
Wireless lan controller
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- Configuration manual (50 pages) ,
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Configuring Power over Ethernet
To clear the current, minimum, and maximum link latency statistics on the controller for a specific access
Step 3
point, enter this command:
config ap link-latency reset Cisco_AP
To view the results of the reset, enter this command:
Step 4
show ap config general Cisco_AP
Configuring Power over Ethernet
When an access point that has been converted to lightweight mode (such as an AP1131 or AP1242) or a
1250 series access point is powered by a power injector that is connected to a Cisco pre-Intelligent Power
Management (pre-IPM) switch, you need to configure Power over Ethernet (PoE), also known as inline
power.
The dual-radio 1250 series access points can operate in four different modes when powered using PoE:
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These modes provide the flexibility of running the 1250 series access points with the available wired
infrastructure to obtain the desired level of performance. With enhanced PoE switches (such as the Cisco
Catalyst 3750-E Series Switches), the 1250 series access points can provide maximum features and
functionality with minimum total cost of ownership. Alternatively, if you decide to power the access
point with the existing PoE (802.3af) switches, the access point chooses the appropriate mode of
operation based on whether it has one radio or two.
For more information on the Cisco PoE switches, refer to this URL:
Note
http://www.cisco.com/en/US/prod/switches/epoe.html
Cisco Wireless LAN Controller Configuration Guide
7-70
20.0 W (Full Power)—This mode is equivalent to using a power injector or an AC/DC adapter.
16.8 W—Both transmitters are used but at reduced power. Legacy data rates are not affected, but the
M0 to M15 data rates are reduced in the 2.4-GHz band. Throughput should be minimally impacted
because all data rates are still enabled. The range is affected because of the lower transmit power.
All receivers remain enabled.
15.4 W—Only a single transmitter is enabled. Legacy data rates and M0 to M7 rates are minimally
affected. M8 to M15 rates are disabled because they require both transmitters. Throughput is better
than that received with legacy access points but less than the 20 and 16.8 W power modes.
11.0 W (Low Power)—The access point runs, but both radios are disabled.
Chapter 7
Controlling Lightweight Access Points
OL-17037-01
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