Toshiba Portege 3500, User Manual

Page: 159 / 242

Troubleshooting
User’s Manual 9-15
Portégé 3500
Version
1
Last Saved on 17.10.2002 17:30
1SHIQ
Refer to the online help files for Appendix C and D .
Problem Procedure
Communication
software can’t
initialise modem Make sure the computer’s internal modem
settings are correct. Refer to
Modem Properties
in the Control Panel.
You can hear a dial
tone but can't make a
call If the call is going through a PBX machine, make
sure the communication application’s tone dial
detection feature is disabled.
You can also use the ATX command. Refer to the
online help files for Appendix C, AT Commands.
You place a call, but a
connection can't be
made Make sure the settings are correct in your
communications application.
After making a call
you can’t hear a ring Make sure the tone or pulse selection in your
communications application is set correctly.
You can also use the ATD command. Refer to the
online help files for Appendix C, AT Commands.
Communication is cut
off unexpectedly The computer will automatically cut off
communication when connection with the carrier
is not successful for a set time interval. Try
lengthening this time interval.
A
CONNECT
display is
quickly replaced by
NO
CARRIER
Check the error control setting in your
communications application.
You can also use the AT\N command. Refer to
the online help files for Appendix C, AT
Commands.
Character display
becomes garbled
during a
communication In data transmission, make sure the parity bit
and stop bit settings correspond with those of
the remote computer.
Check the flow control and communication
protocol.
You cannot receive an
incoming call Check the rings before auto answer setting in
your communications application.
You can also use the ATS0 command. Refer to
the online help files for Appendix D, S-registers
If problems persist, contact your dealer.