FS-975M User’s Manual Hardware Setup
Serial Ports
25
2.11 < Serial Ports >
The board offers two serial ports including one RS232 COM1 and one jumper
selectable RS232/422/485 COM2. The configuration of COM2 can be setting with jumper
J1, J2 and JCSEL.
Jumper:
J1, J2, JCSEL
Type: onboard 4-, 6-, 12-pin header
COM2 Mode
J1
J2
JCSEL
RS-232C
OFF
5-6
1-2/4-5/7-8/10-11
RS-422
3-4
3-4
2-3/5-6/8-9/11-12
RS-485
1-2
1-2
2-3/5-6/8-9/11-12
Default setting
1
4
10
7
2 4
2
6
6
9
JCSEL
12
3
1 3
J1
5
1
J2
Summary of Contents for FS-975M
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