9-29-93
     Most  of  the  time, there is no need to use a  bps  above  19,200bps.
Unless the data is very structured or has lots of empty space (database  or
spreadsheet)  the compression won't get you over 19,200bps. When the  modem
refuses  to work above 19,200 or doesn't work well, it is usually  hardware
on  the  computer (slow serial port or some other conflict even on  a  fast
computer).  Set  the software and dialing directory for  19200.  Make  sure
CTS/RTS  flow  is=ON.  And locked DTE (baud/bps) rate  (software  does  NOY
follow modem connect speed).

     On the other hand, never set the modem BELOW 19,200 either. If you get
a  12,000  or 14,400 connect the software and modem may not speak  to  each
other correctly.

     NOTE>>> The phone company claims the bandwidth of the phone lines will
only  support  9600.  Most of the time, from most locations  we  know  from
experience  that often 12,000 or 14,400 can actually be  acheived.  However
when the connections for whatever reason won't support the faster speed, it
should  come  as no surprise. Sometimes you can force a  higher  than  9600
connect, and get some (or a lot) of garbage characters. When the connect is
TOO  poor, the modems will not even stay connected. In such a case use  one
of  the 9600 dial prefixes (insert or pp11-7 or 10-7). If you connect at  a
slower  (9600) speed a file transfer may actually be faster than at  14,400
because  of a 'clearer' connection. The latest chips normally  will try  to
negotiate  a  speed slower than 14,400 or 12,00 if line  conditions  aren't
good enough. So if you are forcing the higher speed, you may never connect.

                                  Don Hinds - Zoom Tech
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