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UNO-2372G-J1 User Manual
Ap
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ix A
Sy
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S
ett
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s/P
in A
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ign
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en
ts
A.9
Clear CMOS Jumper (CN2)
A.10
DDR3L SO-DIMM Memory Socket (CN3)
Table A.9: RS-485 COM Port Connector Pin Assignment
Pin
Name
Type
Rail
Description
1
TX+
O
RS-422
Transmit positive differential pair signal
2
TX-
O
RS-422
Transmit negative differential pair signal
3
RX+
I
RS-422
Receiver positive differential pair signal
4
RX-
I
RS-422
Receive negative differential pair signal
5
GND
Signal ground
Table A.10: RS-485 COM Port Connector Pin Assignment
Pin
Name
Type
Rail
Description
1
Data-
I/O
RS-485
Transmit/ Receiver negative differential pair signal
2
Data+
I/O
RS-485
Transmit/ Receiver positive differential pair signal
5
GND
Signal ground
Table A.11: Clear CMOS Jumper
Pin
Function
Setting
1-2
Normal Mode
Default
2-3
Clear CMOS