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J12: RS485 (Auto direction)
Pin #
Signal Name
1
RS485＋
2
RS485－
3
GND
J13:
RS232 COM2 Operation Mode Selector
Pin combination
1-2
3-4
5-6
J14 /J15 /J16: COM2: RS232 /RS422 /RS485 setting
RS232 (Close)
J15
1
2
3
4
J17: Power Connector – 4-pin Header (P4 Molex 5mm)
Vortex86SX-6124
Description
RS232
RS485
RS422
RS422 / RS485 (Close)
J16
J14
1
1
2
2
3
3
4
4
Signal
Pin #
Name
1
+5V
2
GND
3
GND
4
+12V
J16
1
2
3
4
Vortex86SX™ Half-Size CPU Module
14
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