18
If your communications software is reporting many Cyclic Redundancy Check (CRC) errors and low
Characters Per Second (CPS),
·
You might have a bad phone line. Place the call again. The
phone company routes calls differently
each time you call.
·
Type the following command to load the template that enables
hardware flow control as well as other
optimal settings:
AT&F1<Enter>
·
Lower the serial port rate in your communications software to
38.400 bps or 19.200 bps.
·
Try a different file transfer protocol (do not use Xmodem if other
protocols are available). Disable any
Terminate and Stay
Resident (TSR) programs running in the background.
If errors are occurring in your V.17 fax transmissions,
·
Enter the following initialization string in your software modem
setup screen: AT&H3&I2&R2S7=90
·
Disable any Terminate and Stay Resident (TSR) programs that
are running in the background.
·
If your problems occur when you send faxes from Windows and
your computer had a 16550 UART, load
the comdriver that
came with your fax software. (This
may require re-installing the
software.)
Internal modem users only: If you have run DOS 6.0's Double Spaced program, do the following before
running any fax software.
Windows Users:
· Open the Windows SYSTEM.INI file.
· Add the following line under the [386 Enh] header:
· EMMEXCLUDE=C800-D1FF
Non-Windows Users:
· Open the DOS CONFIG.SYS file.
· Add the second line below the first:
· device=c:\dos\himem.sys
· device=c:\dos\emm386.exe noems x=c800-d1ff
· When you are completed, reboot your computer.
