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20
Chapter 4 Jumper Settings
Chapter 4
COM 1 RS232/Power Select
1-3 (RI), 2-4 (DCD) On:
RS232 (default)
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
JP14 is used to configure the Serial COM port 1 to pure RS232 or RS232 with power.
6
4
2
5
3
1
6
4
2
5
3
1
JP14
2
1
9
COM 1:
RS232/422/485
Digital I/O Power Select
2-3 On: +5V
1-2 On: +5V_standby
(default)
JP17 is used to select the power of Digital I/O signal.
1
3
2
1
3
2
JP17
