[GreenKeys] 28KSR question...

[John, W9DDD]

Hi Paul when they start loading the stunt box with switches they either 
added the second connector or substituted a 35 pin connector.  As for 
what all the extra switches did, I can't answer.  I know you can start a 
TD or Reperf, but I'm sure it went way beyond that.

John, W9DDD

On 5/12/2020 9:23 PM, Paul Heller wrote:
> I wish I knew what that second connector was for.  That’s always been a 
> mystery to me.
> 
> Paul
> W2TTY
> 
> 
>> On May 12, 2020, at 7:54 PM, John, W9DDD <w9ddd at tapr.org 
>> <mailto:w9ddd at tapr.org>> wrote:
>>
>> OK, the more one digs into this stuff the more you find that there are 
>> a lot of deviations from what appeared to be a standard.
>>
>> Just some quick looking at WDs, I see that if there is a second 
>> connector on the typing unit, they generally put the bell contacts on 
>> pins 3 and 4 of the right connector.  If you don't have a cable to 
>> connect to the right connector of the typing unit then you can safely 
>> bet that typing unit didn't go with that cabinet originally.
>>
>> So you'll probably have to move the wires on to the generally used 
>> pins on the left connector.  On typing units with only one connector 
>> the bell contacts were wired with a red and a black wire and the bell 
>> contacts were over slot 28.  With one like yours the bell was wired 
>> with yellow and brown and went to pins 1 and 3 on the right connector. 
>>  (Y on 1 and BR on 3)
>>
>> John, W9DDD
>>
>> On 5/12/2020 8:18 PM, E. wrote:
>>> Thanks all for all the replies ^^ !  I believe the bell contact board 
>>> is this little guy in the photo attached, right?  It appears that the 
>>> wires from it go to the empty connector on the right - in the second 
>>> photo (attached)… so it really goes no where.  If I’m looking at it 
>>> correctly - why is this???  Is there a way to rectify the situation 
>>> ;p ?  Will look at the wiring diagram after supper…..
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>>
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