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1/8 “ Phone Jack. T. R. DIN. 3. 1. 5. 4. 2. 1. 5. 6. 2. 4. 3. APRS Harness. For TR-7850 and TR-7950. DIN Leads 1 – Microphone Audio 2 – Ground 3 – PTT 4 – Receive Audio 5 – Squelch input. TNC-2. Pin Out 1 – Audio In 2 – Microphone Ground 3 – Push To Talk
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1/8 “ Phone Jack T R DIN 3 1 5 4 2 1 5 6 2 4 3 APRS Harness For TR-7850 and TR-7950 DIN Leads 1 – Microphone Audio 2 – Ground 3 – PTT 4 – Receive Audio 5 – Squelch input TNC-2 Pin Out 1 – Audio In 2 – Microphone Ground 3 – Push To Talk 4 – 9600 Baud Packet Out 5 – 1200 bps Packet Out 6 – Squelch Control Out Shield – Earth Ground TR-7850 or TR-7950 By WB4AEJ
1/8 “ Phone Jack T R DIN 3 1 5 4 2 7 1 8 6 2 5 3 4 APRS Harness For TM-211A TNC-2 Pint Out 1 – TX Audio In 2 – PTT 3 – Down 4 – Up 5 – 8 VDC 6 – RX Audio Out 7 – Microphone Ground 8 – Ground DIN Leads 1 – Microphone Audio 2 – Ground 3 – PTT 4 – Receive Audio 5 – Squelch input TM-211A By WB4AEJ
1/8 “ Phone Jack T R DIN 3 1 5 4 2 1 5 6 2 4 3 7 1 8 6 2 5 3 4 APRS Harness TNC-2 MFJ 1270B TNC-2 DIN Leads 1 – Microphone Audio 2 – Ground 3 – PTT 4 – Receive Audio 5 – Squelch input
