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COM 1 RS232/422/485 Select
2
4
1
3
1-3, 2-4 On:
RS232 (default)
JP8, JP9 and JP11 are used to configure the Serial COM port 1 to RS232, RS422 (Full Duplex)
or RS485. The pin functions of the Serial COM port 1 will vary according to these jumpers' set-
ting.
Chapter 4 Jumper Settings
2
1
COM 1:
RS232/422/485
JP8
JP9 JP11
6
2
4
6
5
1
3
5
3-5, 4-6 On:
RS422 Full Duplex/RS485
Chapter 4
2
4
6
1
3
5
1-2 On: RS232
(default)
2
9
1
9
RS232
Note:
When COM 1 RS232/422/485 is selected, JP9 and JP11 must be set in accordance to
JP8.
19
JP8
2
4
6
2
4
6
1
3
5
1
3
5
3-4 On: RS422
5-6 On: RS485
Full Duplex
COM 1
2
2
9
9
1
1
RS422
RS485
Full Duplex
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