User's Manual
Product Overview 
Components 
Thermo Electron Corporation  AutoRADIO User Guide 1-3 
●  LEDs: Indicate activity – Carrier Detect (CD), Transmit (TX), Receive 
(RX). 
●  Master/repeater/slave ready, idle state: 
●  CD = solid green 
●  TX = off 
●  RX = off 
●  Slave and repeater not ready: 
●  CD = flashing green (every second) 
●  TX = flashing red (every second) 
●  RX = flashing red (every second) 
●  Slave ready, sleep state: 
●  CD = flashing green (two times per second) 
●  TX = off 
●  RX = off 
●  JP1 (6-pin double row header): SPI connector. For future development. 
●  J320 (10-pin single row friction lock header): Firmware download. 
Data interface port and power connector. Must be connected for 
communications to be established. Voltage input may be 6 or 12 V. 
Pin 1: Bat    Pin 6: GND 
Pin 2: N/C    Pin 7: TX/RX+ 
Pin 3: N/C    Pin 8: DCD/TX+ 
Pin 4: GND    Pin 9: RTS/RX- 
Pin 5: RX/TX-   Pin 10: N/C 










