All values measured to ground unless otherwise noted
Conn./Plug/Pin	Pin Information	Test Value	Comments
A2/6
1.1	Ground input	Approx. 0 Ohms to ground
1.2	Circuit 30 power input	Radio on 12VDC
1.3	Wake up signal input	No reliable test
D2B IN D2B OUT	Optical input port Optical output port	No reliable test