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Advantech UltraSlim PentiumIII processor-based 12.1 panel PC PPC-S123
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PPC-S123 User
’
s Manual
C.6 COM2 (CN2)
Table C-6: COM2
P
in
Signal
RS-232
RS-422
RS-485
1
DCD
T
X-
DA
T
A-
2
R
X
TX+
D
A
T
A+
3
TX
RX+
---
4
DTR
R
X-
--
-
5
GND
GND
-
-
-
6
DSR
---
---
7
RTS
---
---
8
C
T
S
---
---
9
R
I
---
---
15
9
6
3
24
78
1
...
...
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