macdonald@author.dec.com (At long last ...) (09/23/86)
> Newsgroups: net.micro.amiga > Path: decwrl!author.dec.com!macdonald > Subject: Amiga problem -- Modem and Online! > Posted: 22 Sep 86 13:19:59 GMT > Organization: Digital Equipment Corporation > I have a problem. Perhaps someone out there has a solution? > I am using an Amiga with a Sony 1311 Monitor, a DEC DF224 "Scholar" > modem, and the Online! V1.27 telecommunications software. When everything > is hooked up and running, there is a loud tone in the speaker of the > Sony which increases and decreases with changes in the volume control. > It appears to be an audio signal fed directly into the monitor through > the serial port somehow. When I remove power from the modem, the sound > disappears. > o Is it a modem problem? * Definitely not. > o Is it a cable problem with the serial port? * Yes, but not really a problem. Pins 15 and 16 on the Amiga serial port * contain audio signals which are getting into the monitor via the computer. * I fixed that by pulling out those pins. Moral of the story is, take a good * look at the Amiga serial port pinouts before making up a modem cable! > o Is it an OnLine! software problem? * Definitely not.