User Manual
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Pin
RS-232
RS-422
RS-485
1
DSR
-
-
2
RTS
TxD+
-
3
GND
GND
GND
4
TxD
TxD-
-
5
RxD
RxD+
Data+
6
DCD
RxD-
Data-
7
CTS
-
-
8
DTR
-
-
Connecting to a DI/DO Device
The UC-5100 Series computer
comes with 4 general-purpose input
connectors and 4 general-purpose
output connectors. These
connectors are located on the top
panel of the computer. Refer to the
diagram on the left for the pin
definitions of the connectors. For
the wiring method, refer to the
following figures.