Hardware Manual

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Hardware Manual
30
Connecting Serial Devices (Optional)
Depending on your needs, you may connect a serial device to the main unit. In this case, you
need to connect the serial device to the supplied RS-232 terminal block.
To connect a serial device, map the pins as below:
Terminal Block
Wire Mapping
Pin Number / Label
Main Unit
Serial Device
TX
TX
RX
RX
RX
TX
GND
Ground pin
Press and hold the orange tab as you insert the wire through the pin slot, then release the
orange tab to secure the wire.