D-SUB 9 pin connector on LCD Monitor back
1.
2.TXD
3.RXD
4.
5.GND
6.
7.
8.
9.
Do not connect anything to pins 1, 4, 6,
7, 8, or 9 on the monitor side (or else, a
malfunction of the monitor may occur).
External PC/D-SUB 9 pin Connector
Note: At the PC, Pins 7 and 8
must be loop-connected.
8
1.
2.RXD
3.TXD
4.
5.GND
6.
7.RTS
8.CTS
9.