Toshiba Satellite 2650 - Manual (Page 152)

10-16 Troubleshooting User's Manual
Satellite 2610/2650 User's Manual – 10CHAP.DOC – ENGLISH – Printed on 19/09/99 as 10_261UK
Modem
Refer also to the Internal Modem User’s Guide.
Problem Procedure
Communication
software can't initialise
modem Make sure the computer’s serial port settings are
correct. Refer to Chapter 8, Setup and Password
Security.
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
chapter on AT commands in your Internal
Modem User’s Guide (printed or online).
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
chapter on AT commands in your Internal
Modem User’s Guide (printed or online).
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 chapter on AT commands in your Internal
Modem User’s Guide (printed or online).
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 chapter on S-registers in your Internal
Modem User’s Guide (printed or online).
If problems persist, contact your dealer.