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Chapter 4 - Jumper Settings
COM1/DIO Select
JP1 and JP2 are used to select between serial communication and DIO for the external
COM port 1. They are located on the power board: XCL9-1U1C.
External COM Port 1 / DIO Select
COM (default)
DIO
Note:
You cannot use COM1 and DIO at the same time. Please set up JP1 and JP2 at the
same time.
Chapter 4 Jumper Settings
+
10
7
4
1
COM
JP1
6
12
9
3
10 7
4 1
JP2
DIO
12 9
6 3
JP1
JP2
1-2, 4-5, 7-8,
1-2, 4-5, 7-8,
10-11 On
10-11 On
2-3, 5-6, 8-9,
2-3, 5-6, 8-9,
11-12 On
11-12 On
Chapter 4
If COM1 is configured as a serial port, its pin definition is as follows:
Pin
RS232
1
DCD
2
RXD
3
TXD
4
DTR
GND
5
DSR
6
RTS
7
CTS
8
9
RI
10
GND
If COM1 is configured as a digital I/O port, its pin definition is as follows:
13
RS422 Full Duplex
RS485
TXD-
DATA-
TXD+
DATA+
RXD+
N.C.
RXD-
N.C.
GND
GND
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
GND
GND
DIO
Pins
Function
1
DIO0
2
DIO1
DIO2
3
DIO3
4
GND
5
6
DIO6
DIO7
7
DIO4
8
DIO5
9
10
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