US Robotics COURIER Uživatelský manuál stáhnout pdf (Strana 182)

U.S. Robotics I-modem Command Reference

Troubleshooting • Page 15-8

Bad faxes or canÕt fax

¥ Make sure the fax software is set to use Class 1 fax. Refer to your fax softwareÕs manual.

¥ If you use memory-resident programs (TSRs Ð Terminate and Stay Resident programs)

or disk-caching programs, they may be interfering. Try disabling them before you run

your com-muni-cations software.

Both devices exchange carrier signals, but fail to establish a communications link

¥ Make sure the I-modem is in the correct mode (fax or data), depending on whether the

connection is to be made with a facsimile device or a data device.

See Chapter 2, Modes of Operation

, for information on switching between Fax and Data

modes.

¥ Make sure the proper bit rate, word length, parity, and number of Stop bits have been

selected.

¥ Synchronous

operations: Review the instructions in Chapter 16, Analog Synchronous

Applications. If you've conÞgured the I-modem correctly, the problem may be with the

synchronous adapter or with the system you're trying to call.

¥ Send ATI4 and check to see that your modem is at the correct Bn setting to connect with

either an HST modem (B1 setting) or V.32terbo modem (B0 setting).

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US Robotics COURIER Uživatelský manuál Strana 182