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Mungo545 User’s Manual 19
J7: RS-232/422/485 (COM2) Select
COM1 is fixed for RS-232 use only.
COM2 is selectable for RS-232, RS-422 and RS-485.
The following table describes the jumper settings of this connector.
COM2
Function
RS-232
RS-422
RS-485
Jumper
Setting
(pin closed)
all
jumpers
open
1-2
3-4
5-6
7-8
11-12
15-16
17-18
19-20
23-24
1-2
3-4
5-6
7-8
9-10
11-12
13-14
15-16
17-18
19-20
21-22
Jumper
Illustration
Содержание Mungo545
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Страница 86: ...Mungo545 User s Manual 81 Appendix A I O Port Address Map B Interrupt Request Lines IRQ...