Seeking docs and schematic for Novation CAT modem

Joe Piche fast79ta at
Tue Sep 13 17:31:54 CDT 2016

On 9/13/2016 1:58 PM, Ethan Dicks wrote:
> Hi, All,
> Good seeing many of you at VCF-midwest.  One of my scores was an
> Atari-badged Novation CAT modem.  Digging around for any docs, what
> I'm mostly finding is lots of info about Novations Apple II products,
> and scant mention with thumbnail pictures of the original CAT acoustic
> coupler, that and dozens of sites copying the Wikipedia article.
> Anyone have any CAT info?  I can reverse-engineer the schematic, but
> if that's already been done, no reason for me to redocument the wheel.
> I know it wants a 20VAC 400mA PSU, but I want to check how strict that
> is (i.e., 18VAC @ 500mA or 24 VAC @ 350 mA, for example, which may be
> easier to find than an unregulated 20VAC PSU).
> I would love to play with a CBM 8010 (since I have so many PETs) but I
> do happen to have a couple of IEEE-488 to RS-232 devices, which will
> work fine with this Atari 830/Novation CAT.
> -ethan

I have the manual for a 103/212 smart cat modem. PN 490418-1/490521-1. 
Circa 1982

Is that what you need?

Cheers, Joe

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