Modem lan – Toshiba Portege R200 (PPR21) User Manual

Page 145

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User’s Manual

9-15

Troubleshooting

Modem

LAN

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 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.

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.

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.
If problems persist, contact your dealer.

Problem

Procedure

Cannot access LAN

Check for a firm cable connection between the

LAN jack and the LAN HUB.

Wake-up on LAN does

not work

Make sure the AC adaptor is connected. The

Wake-up on LAN function consumes power even

when the system is off.
If problems persist, consult your LAN

administrator.

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