Toshiba M400 - Manual (Page 219)

User’s Manual 9-17
Troubleshooting
i.LINK (IEEE1394) device
Modem
Refer to Appendix C, AT Commands and Appendix D, S-registers .
Problem Procedure
i.LINK device does not
function Make sure the cable is securely connected to the
computer and to the device.
Make sure the device’s power is turned on.
Reinstall the drivers. Open the Windows
Control Panel and double-click the Add
Hardware icon. Follow the on-screen
directions.
Restart Windows.
If problems persist, contact your dealer.
Problem Procedure
Communication
software can’t initialize
modem Make sure the computer’s internal modem
settings are correct. Refer to Phone and 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
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
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
Appendix C,
AT Commands .