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DMC-3425 Chapter 4 Communication• 43
Chapter 4 Communication
Introduction
The DMC-3425 has one RS232 port and one Ethernet port. The RS-232 port is the data set. The
Ethernet port is a 10Base-T link. The RS-232 is a standard serial link with communication baud rates
up to 19.2kbaud.
For initial setup, Galil recommends starting with the RS-232 interface. The RS-232 provides a
simplified interface that minimizes the potential problems for first time setup. Once the configuration
parameters have been properly set and saved on the controller, the Ethernet communication should be
established.
RS232 Port
The DMC-3425 has a single RS232 connection for sending and receiving commands from a PC or
other terminal. The pin-outs for the RS232 connection are as follows.
RS232 - Port 1 DATATERM
1 CTS – output 6 CTS – output
2 Transmit Data - output 7 RTS – input
3 Receive Data - input 8 CTS – output
4 RTS – input 9 No connect (Can connect to +5V or sample clock)
5 Ground
RS-232 Configuration
Configure your PC for 8-bit data, one start-bit, one stop-bit, full duplex and no parity. The baud rate
for the RS232 communication can be selected by selecting the proper jumper configuration on the
DMC-3425 according to the table below.
Baud Rate Selection
JUMPER SETTINGS BAUD RATE
96 12 --
OFF OFF 19200
ON OFF 9600