Topband: K9AY Box, 6 pin din Pin-out

[Joe Subich, W4TV]

> I'm assuming the center pin is the 6 pin and the 1-5 either go 
> counter or clockwise.
The center pin is pin 6 however, the other five are not numbered
sequentially due to backward compatibility with numbering for the
*three pin* DIN. From Wikipedia:

> The 3/180° and 5/180° connectors were originally standardized and
> widely used in European countries for interconnecting analog audio
> equipment. For example, a stereo tape recorder could connect to a
> stereo amplifier using the five pins for the four signal connections
> plus ground. The connectors on the cord are connected pin for pin,
> (pin 1 to pin 1, etc.). Pins on male connectors are numbered (from
> right to left, viewed from outside of the connector, with the 5 pins
> upwards, and facing them): 1–4–2–5–3. Holes on female connectors are
> also numbered 1-4-2-5-3, but from left to right (facing the holes). 

73,

    ... Joe, W4TV


On 2018-12-07 4:47 PM, Bill Gillenwater wrote:
> I have acquired the AYtechnologies K9AY system boxes. This is a used unit but in excellent shape.
> 
> The 6 pin din plug on the back of the control box is not numbered. Is the pin-out standard?
> 
> 5 pins  with a center pin above the connector "key" notch.
> 
> Don't want to hook this up backwards, hi.
> 
> I'm assuming the center pin is the 6 pin and the 1-5 either go counter or clockwise.
> 
> Thanks
> 73 Bill K3SV
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