29
Serial Communications
Protocol
An RS-232 or RS-485 Serial Cable is required for data communications to
speed display boards, computers, and other electronic devices. The data
connector is on the side of the unit.
Serial Port Connector . . . . . . . . . . . . . .9-PIN D-CONN
Mating Connector . . . . . . . . . . . . . . . . .RS-232 or RS-485
Connector Signals:
1. Aux Input
2. RS-232 TX
3. RS-232 RX
4. 6.6 Volts (OUT)
5. GND
6. Charger Input
7. RS-485-A
8. RS-485-B
9. Voltage Input
BAUD Rate . . . . . . . . . . . . . . . . . . . . . .1200 to 38400 BAUD – default =1200
BAUD Data Format . . . . . . . . . . . . . . . .8 Data Bits
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No Parity
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Stop Bit
