[GreenKeys] OT!: telephone switching question

tony j. podrasky hunybuny at eskimo.com
Sun Oct 15 10:27:31 EDT 2006


Hey Guys;

I had something similar: about 10 contacts per rank
with 32 ranks.

I hard-wired the contacts to ITA#2 characters and connected
it to 2 Model 14 TDs.

One TD became a "Readonly" CQ and the other a WRU.

Talke about a racket, though!

73,
W6ESE - tony
NNNNZCZC

Broadband account wrote:
> Eugene Hertz wrote:
> 
>> In my junk box, I found a *really* neat device. I believe it is from a 
>> phone switching system. The unit has 2 relays and a semi-circular set 
>> of 10 contacts with an arm that connects to an incrementing set of 
>> contacts with each dc pulse given to the relay. There is another relay 
>> for resetting the arm back to "home".  Has 3 wires, one is common, one 
>> steps the relay and the third resets back to home.
>>   

-- 
Tony J. Podrasky | This "telephone" has too many shortcomings to be
                  | seriously considered as a means of communication.
                  | The device is inherently of no value to us.
                  |                         -Western Union memo, 1877


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