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Chapter 4 Jumper Settings
Chapter 4
COM 7/COM 8 RS232/Power Select
Digital I/O Power Select
1-3 (RI), 2-4 (DCD) On:
RS232 (default)
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
JP18 (for COM 7) and JP14 (for COM 8) are used to configure Serial COM ports to pure RS232
or RS232 with power. The pin functions of COM 7 and COM 8 will vary according to these
jumpers’ settings respectively.
JP10
2-3 On: +5V
1-2 On: +5V_standby
(default)
1
3
2
1
3
2
JP10 is used to select the power of DIO (Digital I/O) signal.
COM 7
COM 8
JP18
JP14
1
3
5
2
4
6
1
3
5
2
4
6
COM 7/COM 8:
RS232/422/485
