Artila Matrix-310 Hardware Handleiding - Pagina 13
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3.5 Serial Port
The Matrix-310 has two serial ports:
One RS-485 port (COM1: D+/D-)
One RS-232 port (COM2: RX/TX)
RS-485 is designed without isolation that automatically direction controlled via
software
The pin assignment is shown as following table:
Port No.
COM1
RS-485
COM2
RS-232
Enable/Disable Termination resistor for RS-485 (JP3)
The Matrix-310 provides on-board 120Ohm termination resistor for each RS-485
port. To enable the termination resistor, please remove the upper cover of the
Matrix-310, and the adjust the associated jumper to short as below:
Termination Resistor Disabled (default)
Termination Resistor Enabled
JP3
ARTILA
Pin1
Pin2
D+
D-
--
--
Matrix-310 Hardware Guide
Pin3
Pin4
--
--
RX
TX
1 2 3
1 2 3
Pin5
GND
GND
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