DFI CM100-C - Manual (Page 15)

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15
Chapter 2 Hardware Installation
Chapter 2
COM5/COM6 RS232/RS422/RS485 Select
JP11 (for COM5) and JP14 (for COM6) are used to configure the COM ports to RS232, RS422
(Full Duplex) or RS485.
The pin function of the COM ports will vary according to the jumper’s setting.
JP11/JP14
5-6 On: RS485
6 4 2
5 3 1
JP14
RS232
RS422
Full Duplex
RS485
COM 5/COM 6
6 4 2
5 3 1
1-2 On: RS232
(default)
3-4 On: RS422
Full Duplex
6 4 2
5 3 1
COM1/COM2 RS232 Power Select
JP16
JP15
1-3, 2-4 On: RS232
(default)
3-5 (+5V), 4-6 (+12V)
On: RS232 with power
1-3, 2-4 On: RS232
(default)
3-5 (+5V), 4-6 (+12V)
On: RS232 with power
2
1 3 5
4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
JP11
DATA+ DATA-
N.C.
N.C.
N.C.
N.C.
N.C.
N.C. N.C.
1
3
5
7
9
2
4
6
8 N.C.
N.C.
N.C.
N.C.
N.C.
1
3
5
7
9
2
4
6
8
RXD+ RXD-
TXD+ TXD-
1
3
5
7
9
2
4
6
8
DCD- RD
TD DTR-
GND DSR-
RTS- CTS-
RI-