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echo: hs_modems
to: DAVID WEI
from: MIKE FARRILL
date: 1997-04-09 14:40:00
subject: Re: 4400cps on a 33600/3

-> -=> Quoting Mike Farrill to Rick Collins <=-
->
-> -> 2) Max modem-modem throughput at 33,600, with error correction is
-> -> 4200 bps.  EC overhead reduces this to the 4000 cps range.
-> MF> Is the EC overhead you are refering to come from the use of the Z
-> MF> protocol?  Y-modem-g is always faster.  And also, he could be usi
-> MF> the 512k lap-m packet size which would give more performance.
->
-> I think he was refering to V.42 Error correction, which I believe can
-> be called LAPM... (however, I'm not too sure about that... :) )
I'm pretty sure its called LAPM... I wonder if they will ever make
better error correction/data compression.  They haven't advanced that in
a long time.
--- Platinum Xpress/386/Wildcat! v1.3
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