RA-38 RJ45 Pinout:

Pinout shown as you are looking into the open end of the RJ45 female socket on the RA-38.
Orientation is - contact pins are up and the locking tab slot is down.
The pinout follows standard EIA Ethernet.

 12345678
 ________
|''''''''|
|        |
|__    __|
|__|__|__|

The following assumes the configuration socket has been wired "straight across" with
short #24 jumper wires.  This pinout can be remapped when a configuration module or 
white jumper wires are used.

1 = RX Audio

2 = TX Audio - source channel selected by JU5 (Left or Right)

3 = PTT

4 = COS - AllStar hardware COS input type and polarity (depends on JU1 and JU2)

5 = CTCSS - Not normally used - (AllStar hardware CTCSS input)

6 = Ground

7 = Ground

8 = Ground