Robotics Sportster Flash x2 Guía de usuario descargar pdf (Pagina 29)

Sportster Flash x2 - User’s Guide 25

Troubleshooting

Before the modems connect…

If your modem doesn't respond to any AT commands,

· Make sure the modem is on.

· Make sure you selected the correct COM port and IRQ in your

communications software, and/or in your Windows Control

Panel.

· Make sure the computer is in Terminal mode.

· Type in all upper (AT) or lower (at) case.

· There may be a COM port/IRQ conflict. Try alternative IRQ/

COM port settings.

If your modem displays double characters on your monitor,

· Both your modem's and software's local echoes are on and need

to be turned off by typing the command ATE0<Enter>.

If your modem doesn't go off hook to dial a number or doesn't

answer the phone,

· Make sure the phone lead is connected to the socket on the

modem labelled TELCO and to a phone wall socket.

· Review your software manual to see what DTR operations are

required.

· Make sure that your software has auto answer enabled.

If both modems exchange carrier signals but fail to establish a

communications link,

· Place the call again. The telephone company routes all calls,

even local calls, differently each time you call.

· Call a different modem to see if the problem persists.

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Robotics Sportster Flash x2 Guía de usuario Pagina 29