For radio models: Icom with 8-pin modular (RJ-45) microphone 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?
Icom
Pins are numbered 1 to 8 from left to right when looking at connector with the cable towards you, the locking mechanism down, and the connector pins facing up.
Pin 3 - Receive Signal
Pin 4 - PTT
Pin 6 - Transmit Signal
Pin 7 - Ground
Wiring Diagrams Index | Ham Radio Articles Home Page
73 de ka5ztx gmedcalf@prairie.lakes.com | copyright 1996 gloria e medcalf
URL: http://prairie.lakes.com/~medcalf/ztx/wire/irj45.html