[GreenKeys] AN/UGC-504, AN/UGC-136 Teletype Plug Wiring Solved

[Larry Tighe]

Mistake...

XMIT DATA LO should be "L", not S

lar

> Here'e my guess on the AN/UGC 74 A/B/C......they are probably NATO 
> compatible machinery so the plugs might be interchangeable.
> 
> Try for this:
> 
> J3 A battery back-up +
>     B battery back-up -
>     C ground
> 
> J2  E ground
>  jump J/A &C,  B/D&L  (for 120 vac operation)
>  M  AC OR +DC IN
>  K  AC  OR -DC IN
> (it appears that you jump as above pins and apply
> the AC input to M and K)
> 
> J1 Data/Clock
> A REC CLK HI
> B REC CLK LO
> D REC GATED CLK HI
> E REC GATED CLK LO
> P XMIT CLK HI
> N XMIT CLK LO
> H REC DATA LO
> K XMIT DATA HI
> S XMIT DATA LO
> S SIGNAL RTN
> T SHIELD GND
> R TRANSFER