[GreenKeys] TT 23 patch panel

[Randy or Sherry Guttery]

Jerry Barnish wrote:
>  
> Does anyone know where I can find a wiring diagram for this patch panel?
> The ships library does not have one and I would like to find one.


In one of the old Navy books I have (Electronics Technician 3 & 2; 1968 
they have a brief description and a simplified (one-channel) schematic 
to the SG-1203 / 1210 /UG panels. At the end of the section it says:

"The TT-23 / SG (not shown) is the forerunner of the panels just 
described. It has one less horizontal row of jacks than the newer panels 
and, has a toggle switch incorporated in each channel.  The purpose of 
the switch is to provide a means of disconnecting the local d-c supply 
when the necessary current is supplied by another source. Except for 
these differences the TT-23 S/G performs the same function and is 
operated the same as the other panels."

If you're interested - I'll scan a copy of what it has and post it to my 
server so you can access it.

best regards...
-- 
randy guttery

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