Type Of Modem; Initialization String; Flow Control; Uart-Universal Asynchronous Receiver Transmitter - 3Com 56k User Manual

Refer to your software manual for the specific
installation instructions. The software's installation
program will ask you questions about the modem you
are using. You may need the following information
when installing a communications software package.

Type of Modem

Most communications software programs will ask
you to select the type of modem you are using.
Select a 3Com U.S. Robotics high speed modem. If
that selection is not listed, pick Courier Dual
Standard, V.32bis, or V.34.

Initialization String

For hardware flow control, a fixed serial port rate
and full result codes type:
AT&F1 and press ENTER.
If you must use software flow control, type:
AT&F2 and press ENTER.
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Software Installation

Flow Control

•
For hardware flow control (highly
recommended), select RTS/CTS.
•
For software flow control, select XON/XOFF.
Disable the type of flow control (hardware or
software) that you are not using.
UART - Universal Asynchronous Receiver
Transmitter (External Modems Only)
If you are running Windows 3.x or you have
upgraded your system from Windows 3.x to
Windows 95, you can run MSD to determine your
UART setting. In DOS, type MSD at the Windows
directory prompt and then press ENTER. Follow the
on-screen instructions to access the COM port
settings panel. In this panel you should find the
UART chip used. Match the UART type listed in
MSD with the serial rate listed in the chart.