UC-8580 Series Hardware User Manual
13
Connecting to a Serial Device
Use serial cables to connect your serial devices to the computer’s serial ports. Serial ports P1 and P2 have
terminal blocks and can be configured for RS-232, RS-422, or RS-485 communication. The pin location and
assignment of the serial ports are shown in the following diagrams. The diagrams are based on the SMA
model.
Pin
1
2
3
4
5
RS-232
TxD
RxD
RTS
CTS
GND
RS-422
TxD+
TxD-
RxD+
RxD-
GND
RS-485
–
–
DATA+
DATA-
GND
Connecting Digital Input/Output Devices
The UC-8580 computer comes with a 3-channel digital input and 3-channel digital output terminal block that
you can use to connect your digital devices. The DI/O pin assignments and wiring methods are shown
below:
