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1) RS-232C input/output
1
6
5
9
D-SUB 9P
Pin No Name
1 connected to 7&8
2 RXD
3 TXD
4 connected to 6
5 GND
6 connected to 4
7 connected to 1&8
8 connected to 1&7
9NC
This LCD monitor uses RXD, TXD and GND lines for RS-232C control.
2) REMOTE IN
3) REMOTE OUT
Pin Assignment