Allied Telesis AT-WA7501, AT-WA7500 manual 247

	AT-WA7500 and AT-WA7501 Installation and User’s Guide
Table 71. General Troubleshooting (Continued)
Problem/Question	Possible Solution/Answer
The Power LED is not on.	1.Make sure the power cable is firmly
	plugged into the AT-WA7501 access point
	and the power source. Or make sure the
	Ethernet cable is firmly plugged into the
	AT-WA7500 access point and the power
	over Ethernet bridge.
	2.Verify that the power injector has power
	and will work with another access point at
	the port in question.
	3.Make sure all eight wires in the Ethernet
	cable are connected, or the power over
	Ethernet option won’t work.
	4.Unplug the access point, and then plug
	it back into the power source. After the
	access point boots, verify that the Power
	LED remains on.
	5.The access point may have a hardware
	problem. Contact Allied Telesyn Technical
	Support.
You cannot connect to the	1.Verify that you are using a null-modem
access point using the	cable to connect the access point to your
serial port.	terminal or PC.
	2.Verify that you are communicating
	through the correct serial port.
	3.Verify that your terminal or PC is set to
	9600, N, 8, 1, no flow control. (Verify that
	the baud rate is not 115200.)
	4.Your system may be in autobaud mode.
	Reboot and press a key once per second
	until the sign on screen appears.

247