Eric.Bohlman@p1.f778.n115.z1.fidonet.org (Eric Bohlman) (02/10/90)
Index Number: 6626
SW> > 2. Has anyone done any work on implementing a faster communication
SW>
SW> > standard for TDD? I realize there is a huge installed base of
SW> 45.5
SW> > baud TDD's. How would you (anyone who wishes to comment) respond
SW> to
SW> > the addition of a second standard that ran at, say, 9600 baud
SW> using
SW> > one of the tried and true datacomm standards (v.32, MNP, etc.) Do
SW>
SW> > you feel this would help the deaf community in general? Has this
SW>
SW> > been done?
SW>
SW> Ahh.. Only for the very quick typists! (grin!) More seriously, it
SW> would be too expensive with 9600. As it currently is, the TDD's are
SW> at their cheapest at $450, and that is too expensive as is.
I think 9600 would be overkill, given the expense of the components involved.
I would think 1200 would be adequate, given that there are many sources of
1200 bps (212-type) modems-on-a-chip, and they're pretty inexpensive. 1200
bps is faster than most people can type, but the speed would be useful for
"store and forward" applications, such as TDD answering machines.
Chipsets for the 1200/75 standard (FSK) aren't as easy to come by, at least
not in the USA, but the circuitry is still nowhere as complicated as for
9600. If 9600 were required, I'd suggest using v.29, since that's what fax
machines use and hence there are a lot of chipsets available.
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