Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!watmath!clyde!burl!mgnetp!ihnp4!zehntel!zinfandel!hplabs!sri-unix!Elmo@mit-oz From: Elmo%mit-oz@sri-unix.UUCP Newsgroups: net.micro Subject: Re: 2400 baud full-duplex modems Message-ID: <12540@sri-arpa.UUCP> Date: Thu, 23-Aug-84 00:52:43 EDT Article-I.D.: sri-arpa.12540 Posted: Thu Aug 23 00:52:43 1984 Date-Received: Sun, 19-Aug-84 03:09:03 EDT Lines: 25 From: "Eliot R. Moore"Fujitsu, Micom, Rixon, Concord Data Systems, Racal-Vadic, Universal Data Systems and a host of other companies (including ATT) all market 2400 baud full-duplex dialup modems with prices that vary from $795 (Micom) to over 1900 (Vadic). Most use a V.22 bis protocol, and can run vanilla V.22 at 1200 baud. In some cases (but not all) V.22 can talk to Bell 212. The Vadic Quadmodem (if is actually shipping) uses a proprietary protocol for 2400 baud, which might be more robust, but I doubt its worth that much money. Last time I looked, the quadmodem was available only in a rackmount configuration. Ahem. If you have expensive tastes, be aware that Anderson Jacobsen makes a model 4048 - 4800 baud full duplex dialup; if you sign a sales contract with 'em you can get it with error correction for $2100/end. There is also a French firm ('TRT') marketing a 4800 baud full-duplex dialup modem. I've been told that the AJ 4048 is error-prone, so don't get it sans error-correction! Regards, Eliot Moore Arpa: Elmo%Mit-Oz@Mit-MC Usenet: ..bnl!elmo -------