On Jan 28, 2014 12:59 AM, "Mouse" <mouse at rodents-montreal.org> wrote:
assumptions about the data - that it's a 0x0d
octet - and that the
speed is one of a handful of relatively standard speeds. (The latter
was generally not in question because the modem you called typically
was not willing to speak more than a handful of speeds out its serial
port in any case.)
Before "Smartmodems", and PSK or QAM modulation, modems were generally
perfectly happy with any data rate you cared to use, up to a limit. Bell
103, for instance, would work perfectly well at 217 bps.
The serial ports and both ends tended to be a lot more picky.