Advantech LPPC-3211SW User Manual page 38

Intel core i processor based panel pc with 18.5"/21.5" color tft lcd display
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COM1
Pin
RS-232
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
Ring or 5V/12V output
PPC-3211SW/3181SW User Manual
COM2
RS-232
RS-422
DCD
TX-
RXD
TX+
TXD
RX+
DTR
RX-
GND
NC
DSR
NC
RTS
NC
CTS
NC
RING
NC
30
RS-485
DATA-
DATA+
NC
NC
NC
NC
NC
NC
NC

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