Troubleshooting

 

 

Problem

Procedure

 

After making a call

Make sure the tone or pulse selection in your

you can’t hear a ring

communications application is set correctly.

 

You can also use the ATD command. Refer to

 

the chapter on AT commands in online help files

 

for Appendix C, AT Command.

 

 

 

Communication is cut

The computer will automatically cut off commu-

off unexpectedly

nication when connection with the carrier is not

 

successful for a set time interval. Try lengthen-

 

ing this time interval.

 

 

 

A CONNECT display is

Check the error control setting in your communi-

quickly replaced by

cations application.

NO CARRIER

You can also use the AT\N command.

 

 

 

 

Character display

In data transmission, make sure the parity bit

becomes garbled

and stop bit settings correspond with those of

during a

the remote computer.

communication

 

 

 

Check the flow control and communication pro-

 

tocol.

 

 

 

You cannot receive

Check the rings before auto answer setting in an

an incoming call

incoming call your communications application.

 

You can also use the ATS0 command.

 

If problems persist, contact your dealer.

 

 

 

TROUBLESHOOTING

User’s Manual

9-23

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Toshiba a210 user manual No Carrier