User Manual

USER MANUAL

APPX. A

APPENDIX A - OEM-900 RS232 Pin-Out Connection Diagram

Power Connector

Pin Number Description

1 Ground

2 Positive Power (9-30VDC)

3 RF LED indicator

4 RS232 CTS (in)

5 TX LED indicator

6 RS232 RTS (out)

7 I/O #1

8 RS232 Receive (in)

9 I/O #2

10 RS232 Transmit (out)

11 Auxiliary In/Out #2

12 Auxiliary In/Out #1 (RSSI)

13 +4VDC Out

14 Ground

Indicator Lights

Light Color Description

Yellow On solid if connected to another radio, otherwise flashes.

Green Blinks when transmitting serial data out the serial port.

Red Blinks when receiving serial data from the serial port.

1413