[vcf-midatlantic] Your First Modem? (was: Help me remember my first modem)
Mike Loewen
mloewen at cpumagic.scol.pa.us
Tue Dec 28 21:42:44 UTC 2021
On Tue, 28 Dec 2021, Dave McGuire via vcf-midatlantic wrote:
>> What was your first modem? Mine was a kit from Micromint in Long Island.
>> It was around 1980 or so (I was about 13). My dad drove me to Cedarhurst,
>> LI (I lived in Merrick, LI) to the Micromint sales office and bought this
>> kit. It was an acoustic coupler, 300 baud kit, with an enclosure, a PCB
>> and a bag of parts.
>
> Very cool indeed!
>
> Mine was a Livermore Data Systems model 71B 300-baud acoustic coupler. Man
> did I run up some phone bills with that. I still have it.
Mine was a 300 baud Novation J-Cat in 1983, connected to my TRS-80 Model
III. Direct connect, and I wrote a simple BASIC program to dial out by pulsing
the hook relay.
http://q7.neurotica.com/Oldtech/Modems/Jcat.html
Dave, I have a Livermore 76B:
http://q7.neurotica.com/Oldtech/Modems/Livermore.html
From a 1979 issue of Datamation:
LIVERMORE DATA SYSTEMS76B
Bell 103/113A-compatible originate-only type
Up to 450 bps using FSK modulation
Asynchronous, half/full-duplex operation
Acoustic with RS232B/C interface
Features alternate voice-data
Over 4,000 sold since 1975
$300
Mike Loewen mloewen at cpumagic.scol.pa.us
Old Technology http://q7.neurotica.com/Oldtech/
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