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Model 705 Connector Wiring
From the Ten-Tec Reflector April 26, 2007
The four-pin connector wiring is:
*Pin 1 - White - Signal *Pin 2 - Shield - Ground *Pin 3 - Black - PTT Line *Pin 4 - Plus Electret Voltage (7 to 14 VDC
The stereo 1/4" phone connections are:
*Tip - Black PTT Line *Band - White - Signal *Sleeve - Shield Ground
Dave
WA3MKB