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Chapter 4 Jumper Settings
Chapter 4
COM 7/COM 8 RS232/422/485 Select
1-3, 2-4 On:
RS232 (default)
3-5, 4-6 On:
RS422 Full Duplex/RS485
JP15 (for COM 7)/ JP11 (for COM 8)
1-2 On: RS232
(default)
1
3
5
2
4
6
3-4 On: RS422
Full Duplex
5-6 On: RS485
JP13 and JP17 (for COM 7)/ JP12 and JP16 (for COM 8)
Note:
1. When COM 7 RS232/422/485 is selected, JP13 and JP17 must be set in accordance
to JP15.
2. When COM 8 RS232/422/485 is selected, JP12 and JP16 must be set in accordante
to JP11.
COM 7/COM 8
RS485
RS422
Full Duplex
RS232
D
ATA
+
D
ATA
-
N.C.
N.C.
N.C.
COM 7/COM 8:
RS232/422/485
These jumpers allow you to configure Serial COM ports to RS232, RS422 (Full Duplex) or
RS485. JP13, JP15 and JP17 are used to configure the Serial COM port 7. JP11, JP12 and JP16
are used to configure the Serial COM port 8. The pin functions of the Serial COM port 7 and 8
will vary according to these jumpers’ setting.
1 2 3 4 5
N.C. N.C. N.C. N.C.
6 7 8 9
RXD+
TXD+
RXD-
TXD- N.C.
1 2 3 4 5
6 7 8 9
N.C. N.C. N.C. N.C.
DCD-
TD
RD
DT
R-
GND
1 2 3 4 5
RT
S-
RI
-
DSR
-
CTS-
6 7 8 9
JP16
JP15
COM 7
COM 8
JP17
JP11
JP12
JP13
1
3
5
2
4
6
1
3
5
2
4
6
1
3
5
2
4
6
1
3
5
2
4
6
