Troubleshooting 67
Modem does not answer an incoming call
Action:
1.
Enable the auto-answer option in the communications software.
2.
Be sure an answering machine is not answering the line before the modem is able to answer.
a.
Turn off the answering machine.
or
Reconfigure the auto-answer option to respond in fewer rings than the answering machine.
b.
Restart the server, and then reattempt the connection.
Modem disconnects while online
Action:
1.
Be sure no loose connections (on page 37) exist.
2.
Be sure no line interference exists. Retry the connection by dialing the number several times. If
conditions remain poor, contact the telephone company to have the line tested.
3.
Be sure an incoming call is not breaking the connection due to call waiting. Disable call waiting,
and then reestablish the connection.
AT command initialization string is not working
Action: Use the most basic string possible to perform the task. The default initialization string is
AT&F&C1&D2&K3.
Connection errors are occurring
Action:
1.
Check the maximum baud rate for the modem to which you are connecting, and then change the
baud rate to match.
2.
If the line you are accessing requires error control to be turned off, do so using the AT command
AT&Q6%C0.
3.
Be sure no line interference exists. Retry the connection by dialing the number several times. If
conditions remain poor, contact the telephone company to have the line tested.
4.
Be sure the modem is current and compliant with CCITT and Bell standards. Replace with a
supported modem if needed.
You are unable to connect to an online subscription service
Action:
1.
If the line you are accessing requires error control to be turned off, do so using the AT command
AT&Q6%C0.
2.
If the ISP you are accessing requires access at a decreased baud rate, reconfigure the
communications software to correct the connection baud rate to match the ISP.
3.
If this does not work, force a slower baud rate (14400 baud) with the AT command
AT&Q6N0S37=11.
To Next Page
Loading...
Need help?
General
