I had this wiring written down since I made one for a Yaesu FT2600, which uses same wiring as Alinco.

Verify this, as its been a while I did my own wires.
And I don't take responsibility if the information is wrong or has changed.
Look in the manuals on each product to double check.


On DMK Engineering URI:

Pin 1 - PTT
Pin 8 - COS
Pin 20 - GND (Many other pins are also ground)
Pin 21 - Audio In
Pin 22 - Audio out (left)
Pin 23 Audio Out (right)


On Yaesu FT2600 (same wiring as Alinco):

Pin 1 - COS
Pin 4 - Audio Out from radio
Pin 5 - Ground
Pin 7 - PTT
Pin 9 - Audio in to radio


On 10/26/2013 10:15 PM, Doug Crompton wrote:
Does anyone have a link for a URI to Alinco connection schematic (DB25-DB9) or for that matter to other radios also. There seems to be a big market for $50+ pre-made cables that use less than $10 in parts for those that don't know how to use a soldering iron. No offense to those trying to make money but some of us would rather do it ourselves.  
73 Doug
WA3DSP
http://www.crompton.com/hamradio
 		 	   		  


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