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Path: utzoo!linus!philabs!cmcl2!seismo!harvard!think!mit-eddie!GILLMANN@USC-ISIB.ARPA
From: GILLMANN@USC-ISIB.ARPA
Newsgroups: net.ham-radio.packet
Subject: Icom 2AT PTT
Message-ID: <370@mit-eddie.UUCP>
Date: Sat, 9-Nov-85 14:47:17 EST
Article-I.D.: mit-eddi.370
Posted: Sat Nov  9 14:47:17 1985
Date-Received: Mon, 11-Nov-85 07:34:31 EST
Sender: daemon@mit-eddi.UUCP
Organization: MIT, Cambridge, MA
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From: Richard Gillmann 
I'm just finishing construction of my TNC2 and I'm trying to figure
out how to interface it to an Icom 2AT handheld.  The 2AT doesn't seem
to have a separate PTT line as the TAPR documentation assumes.  From
reading the 2AT schematic I see that the PTT switch merely interrupts
the ground return side of the mike.  Has anyone had any experience
hooking up a 2AT to a TNC2 (or for that matter to any kind of
packet controller)?  I'd sure appreciate any advice.

73,
Richard N6MPP
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