Chapter 8: Managing, Troubleshooting, and Upgrading Access Points

In this table, “Radio A” refers to the radio in slot 1 and “Radio B” refers to the radio in slot 2. These error messages may appear for either radio.

 

Table 73. Radio Error Messages

 

 

 

Error Message

 

Explanation

 

 

 

 

 

 

Couldn’t read

 

The radio may be faulty.

country code from

 

 

radio A

 

 

 

 

 

Invalid country

 

The country code in the configuration matrix

code in string for

 

string does not match the country code in the

radio A

 

radio in the access point.

 

 

 

Radio A has

 

The radio may have been configured incorrectly

unknown country

 

at the factory.

code

 

 

 

 

 

Radio string

 

When this error message appears, additional

doesn’t match radio

 

information also appears on the screen; for

installed

 

example, “Expected 504,000 but found 491 in slot

 

 

A, nothing in slot B” may appear. The radio may

 

 

be faulty.

 

 

 

Using Radio MAC Ping (802.11g and 802.11b Radios)

Radio MAC Ping runs at the MAC sublayer of the Data Link layer, thus allowing you to ping any 802.11b device that is connected to the access point. Radio MAC Ping can help you determine the connectivity and signal strength of an 802.11b radio.

To use radio MAC ping

1. From the menu, click Maintenance > AP Connections. The AP Connections screen appears. All devices that support a radio MAC

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Allied Telesis AT-WA7500, AT-WA7501 manual Using Radio MAC Ping 802.11g and 802.11b Radios, Error Message Explanation