Path: utzoo!utgpu!watmath!att!pacbell!ames!lll-winken!uunet!portal!cup.portal.com!Dave_Ninjajr_Flory
From: Dave_Ninjajr_Flory@cup.portal.com
Newsgroups: comp.periphs
Subject: How Do Modems Work?
Message-ID: <21117@cup.portal.com>
Date: 8 Aug 89 04:40:25 GMT
Organization: The Portal System (TM)
Lines: 13

I would really like to what carrier frequency the standard 1200, 2400, and
9600 baud modems us. Also what phase amplitude changes they use and thier
bit number, etc. and what ever anyone knows about TCM. Trellis Code modulation
error checking. (How does it work.)

Thanks for your time.






Anything else I should know?