3Com 3CRWE725075 Manuale di conversione - Pagina 9

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Reversion in a Running Network

CAUTION: Access to the reset button on the access point is required. The access point may be

mounted on a wall or in location with limited accessibility. Proper health and safety precautions

must be observed when accessing the access point..

NOTE: During this procedure unsecured access may be granted to the network.

Remove the access point from the Wireless Switch configuration (preferably by using

3WXM). In the absence of a Wireless Switch, the Power LED starts to flash yellow.

Press the Reset button on the access point, release it for two seconds, and then press it

in again and keep it pressed for 30 seconds. The Reset button is located behind a small

hole on the rear panel of the AP7250 and between the Power and Ethernet LEDs on the

AP8250 and AP8750.

The Power LED should light green. If it does not, repeat step 2. It sometimes can be

difficult to keep the Reset button depressed on the AP8250 and AP8750.

Launch the 3Com Wireless Infrastructure Device Manager, select the network adapter (if

required) and refresh the display. The PC needs to be connected to the same

subnetwork as the access points that is being reverted.

Select the device to be reverted in the Wireless Network Tree.

After the correct device has been selected, click Configure. Accept the suggested

IP address configuration for the access point. Leave the password field blank and click

Next. This launches the web browser for the device.

Enter the username and password when prompted. The default username is admin and

the password field should be left blank. You also need to set the country code before

you can access the home page.

Click Advanced Setup, select the Administration page, and then go to the

Firmware Upgrade section.

Since the access point software is already loaded on the PC, it can be uploaded to the

access point using the Local option. Click the Browse button and locate the access point

software file. Click Start Upgrade to start the conversion process. The upload takes place

through the HTTP protocol from the local machine.

When the conversion is complete, click Reboot.

The access point can now be configured for use as an autonomous access point as

explained in the access point user guides.