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COM 7/COM 8 RS232/Power Select
JP4 (for COM 8) and JP2 (for COM 7) are used to configure the COM ports to pure RS232 or
RS232 with power.
The pin function of COM 7 and COM 8 will vary according to JP2's and JP4's setting respec-
tively.
JP2 (for COM 8)/JP4 (for COM 7)
2 4 6
1 3 5
1-3, 2-4 On:
3-5(+12V), 4-6(+5V) On:
RS232 (default)
COM 7/COM 8
9
8
7
6
5
4
3
1
2
Chapter 4 Jumper Settings
COM 8
COM 7
(JP2)
(JP4)
JP2
JP4
2 4 6
1 3 5
RS232 with power
9
8
7
6
5
4
3
1
2
Chapter 4
Digital I/O Power Select
JP9 is used to configure DIO to signal voltage select.
The pin function of DIO port will vary according to the jumper's setting respectively.
+3.3V (default)
29
DIO 2
JP9
3 2 1
3 2 1
1-2 On:
2-3 On:
+5V
DIO1 / DIO2
9
7
5
3
1
8
6
4 2
DIO 1
JP9
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