Avaya 03-300430 User Manual

This test is destructive.

This test verifies that modem’s hardware is attached and that the modem can “handshake” with 
the USB port. The test:

1. Tries to open the device

2. Sends a handshake string (ATZ) to the modem

The modem should return an “OK” string.

The following errors can be detected:

This test is destructive.

Modem in 

use, try again 

later

ABRT

Another application is currently using the modem. Try again later.

Could not 

open USB 

port

ABRT

System error:   An attempt to open the USB device failed.

1. Retry the test in about 5 minutes.

2. If the test still fails, escalate the problem.

Read error, 

could not run 

test

ABRT

After the ATZ is sent, a read of the USB device is done. If the 
read fails, a probable system error aborted the test.

1. Retry the test in about 5 minutes.

2. If the test still fails, escalate the problem.

Modem 

Handshake 

test failed

FAIL

The modem did not return an “OK” string within a 15-second 

interval.