The TS850s connector pinouts

MICROPHONE

1 - Mike input

2 - PTT

3 - DOWN key

4 - UP key

5 - 8V output max 10mA

6 - NC

7 - Ground Mike

8 - Ground PTT

ACC2

1 - NC

2 - NC

3 - RX fixed output 300mV/4.7Kohm

4 - Ground for AF output

5 - Squelch output

6 - S-meter output voltage

7 - NC

8 - Ground

9 - PTT input for digital modes

10 - NC

11 - TX AF input for digital modes

12 - GND Ground for PKD TX AF input

13 - PTT input

ACC1

2 - TXD

3 - RXD

4 - CTS

5 - RTS

6 - NC

REMOTE

1 - Loudspeaker output

2 - RX/TX relay COMMON

3 - PTT input

4 - RX/RX relay TX SHORT

5 - RX/TX relay RX SHORT

6 - ALC input

7 - TX +12V output max 10mA

ALL CONNECTORS SEEN FROM SOLDER SIDE !