[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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