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From: dyer@spdcc.UUCP (Steve Dyer)
Newsgroups: net.dcom
Subject: Re: > 9600 bps over conditioned leased lines?
Message-ID: <450@spdcc.UUCP>
Date: Tue, 28-Oct-86 21:32:01 EST
Article-I.D.: spdcc.450
Posted: Tue Oct 28 21:32:01 1986
Date-Received: Wed, 29-Oct-86 00:10:25 EST
References: <28@halleys.UUCP> <13552@amdcad.UUCP>
Reply-To: dyer@spdcc.UUCP (Steve Dyer)
Organization: S.P. Dyer Computer Consulting, Cambridge MA
Lines: 16
Keywords: recurring costs

>There's this little company in Massachusetts named Codex which makes
>a product which will do what you want. It is called the 2680 trellis
>coded 19200 bps modem. It's about $30,000 for a pair.
>
>Still think DDS is expensive?

Right now, I'm finding that 56kb digital service, at least between the points
that I'd be interested in, is more than 7X as expensive as analog 9.6kb lines,
and the necessity to keep recurring costs low is a major factor in the design.
While I'll agree that $30K is a bit steep, I've already received pointers to
other modems in the 14.4/16/19.2kb range for a lot less, which information I'll 
summarize once I sift through it all.
-- 
Steve Dyer
dyer@harvard.HARVARD.EDU
{linus,wanginst,bbnccv,harvard,ima,ihnp4}!spdcc!dyer