Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!rutgers!sri-spam!sri-unix!hplabs!amdcad!phil From: phil@amdcad.UUCP (Phil Ngai) Newsgroups: net.dcom Subject: Re: > 9600 bps over conditioned leased lines? Message-ID: <13552@amdcad.UUCP> Date: Tue, 28-Oct-86 13:19:06 EST Article-I.D.: amdcad.13552 Posted: Tue Oct 28 13:19:06 1986 Date-Received: Tue, 28-Oct-86 21:37:54 EST References: <28@halleys.UUCP> Reply-To: phil@amdcad.UUCP (Phil Ngai) Organization: Advanced Micro Devices, Sunnyvale, California Lines: 21 In article <28@halleys.UUCP> dyer@halleys.UUCP (Steve Dyer) writes: >I am looking for modems which can support rates higher than 9600 baud >over 4-wire full-duplex D1-conditioned analog leased lines, aka 3002 >circuits. I'm designing a small wide-area network and 9600 baud really >won't cut it for the backbone, but 56kb digital service is just too >expensive and not cost-effective. Anyone know of modems which can >support 19.2kb or higher synchronous rates over fairly long runs >(10-50 miles)? 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? -- The VT220 keyboard is an