CNET cn5614xr User Manual download pdf (Page 58)

Appendix

Troubleshooting

Troubleshooting A-1

This appendix contains information that will help you solve some of the

common problems you might encounter while using the modem card.

For further assistance, contact your dealer.

Modem does not respond to AT commands

•

There may be a COM port/IRQ conflict. Reconfigure the modem

COM port address and IRQ line.

•

Make sure that you have set the correct COM port and IRQ in the

communications software.

•

Make sure the system is in Terminal mode of your

communications software.

•

Reset the modem to its factory defaults by typing

AT&F

Double characters display on your monitor

•

Both your modem and software local echoes are on. Turn off

your modem local echo by typing the

ATE0

command.

Modem cannot dial and

″

″″

″

NO DIALTONE” message appears on the

monitor

•

Check the phone cord connection. Make sure that the jack on the

modem labeled Line is connected to an analog phone wall jack.

•

The modem cannot recognize the dial tone. This is typical in

some corporate PBXs. Use the ATX1 command in your setup

string to enable Blind Dial.

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CNET cn5614xr User Manual Page 58