[sdiy] Re: WAY OT humour - New synth DIY site ?
John L Marshall
john.l.marshall at gte.net
Thu May 2 07:45:44 CEST 2002
Re: WAY OT humour - New synth DIY site ?Remember those desktop calculators by Smith-Corona-Marchant, Burroughs and Frieden. Key in the correct calculation then listen to the march rhythm. I must be getting old.
Take care,
John
----- Original Message -----
From: Grant Richter
To: Paul Schreiber ; CHoaglin at aol.com
Cc: synth-diy at dropmix.xs4all.nl
Sent: Wednesday, May 01, 2002 7:48 AM
Subject: [sdiy] Re: WAY OT humour - New synth DIY site ?
I knew a software engineer who programmed a big relay array to play tunes - sort of. Just clicking but what a rhythm box! You could recognize "Shave and a haircut" and "Happy Birthday".
Boredom does strange things to people on their lunch hour....
HA! I designed a 672 channel telephone SLIC system (analog phone to T1). Each channel had 6
Aromat relays (3 for line, 3 for remote testing). That's 4032 per rack. The average central
office had 64 racks or 258,048 relays.
Funny, I thought these were usually used in outside plant enclosures, the 5 foot wide white boxes, for doing pair gain out miles away from the CO instead of running lots of copper.
-
You need them at *both ends* :)
SLC-96 and DMS-100 are typical pair-gain channel banks.
Paul S.
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