On Mar 24, 6:06*pm, Dave Springford wrote:
From the *V 2.00 Manual

PP-012 connector (DigiKey part# CP-012-ND, Radio Shack Adaptaplug Tip „A“ 273-334). VDC(+) is on the inside, GND outside.

But, you are probably better to use the RJ45 for a more positive connection that won't vibrate out in flight.

Thanks Dave, and to those that replied off group.

Andy