DRA-30 & DRA-30M DB9 (DE9) Female Pinout:

1 = TX Audio

2 = Not Used - (AllStar hardware COS input when JU1 is installed)

3 = PTT

4 = Not Used - (AllStar hardware CTCSS input when JU2 is installed)

5 = RX Audio

6 = Ground

7 = Not Used - (Goes to available hole "7")

8 = Not Used - (Aux TX audio when JU3 is installed)

9 = Ground