[GreenKeys] question about TTY signals and Telephone Signals

w8au at sssnet.com w8au at sssnet.com
Mon Jan 2 19:52:22 EST 2006


At 06:06 PM 1/2/06, Eugene Hertz wrote:
>Does anyone know if the proximity of 60ma current loop signals might cause 
>interference to the telephone signals running adjacent to them on the same 
>cable?

Good chance you will hear clicks in the telephone audio, just how bad 
remains to be seen.   Normally low level audio and control circuits (DC 
switching) are kept separate.

Perry w8au



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