For TNC models: AEA PK-232 Radio Connector | PK-88 8-pin Mic Connector
Wiring Diagrams Index | Ham Radio Articles Home Page
Manufacturers have been known to change their usage of pins, please compare diagrams shown with the product's manual. Pins not shown may be used for other functions. Damage may occur if wrong connections are made.
Pins are labeled with the number of the pin, followed by the descriptive name used in Chapter 5 of What is your TNC doing?
PK-232
Pin 1 - Receive Signal
Pin 2 - Transmit Signal
Pin 4 - Ground
Pin 5 - PTT
PK-88
Pin 1 - Ground
Pin 2 - Transmit Signal
Pin 3 - PTT
Pin 7 - External Carrier Detect (optional)
Pin 8 - Receive Signal
Wiring Diagrams Index | Ham Radio Articles Home Page
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