User's Manual
9-24
TROUBLESHOOTING
You can hear a dial If the call is going through a PBX machine, make
tone but can't make sure the communication application’s tone dial
a call detection feature is disabled.
You can also use the ATX command. Refer to the
chapter on AT commands in online help files for
Appendix C, AT Commands.
You place a call, Make sure the settings are correct in your
but a connection communications application.
can't be made
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 Commands.
Communication is The computer will automatically cut off
cut off unexpectedly communication when connection with the carrier
is not successful for a set time interval. Try
lengthening this time interval.
A CONNECT display Check the error control setting in your
is quickly replaced by communications application.
NO CARRIER You can also use the AT\N command. Refer to
the chapter on AT commands in online help files
for Appendix C, AT Commands.
Character display In data transmission, make sure the parity bit
becomes garbled and stop bit settings correspond with those
during a of the remote computer.
communication Check the flow control and communication
protocol.