Access Port Unable to Receive Power from a Cisco 3550
Article ID: 89457536
When plugging an AP100, AP200 or AP300 into a Cisco 3550 four port switch, it appears to receive power, but does not connect to the WS5X00.
AP100, AP200 or AP300
The Cisco 3550 switch does not support the 802.3af PoE standard, which is necessary for the AP100, AP200 and AP300 to receive the correct power.