LG M3703C-BA User Guide - Page 48
Controlling the Multiple Product
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RS-232C Controlling the Multiple Product Use this method to connect several products to a single PC. You can control several products at a time by connecting them to a single PC. Connecting the cable Connect the RS-232C cable as shown in the picture. * The RS-232C protocol is used for communication between the PC and product. You can turn the product on/off, select an input source or adjust the OSD menu from your PC. RS-232C Cable (not included) PC monitor 1 monitor 2 monitor 3 monitor 4 RS-232C Configurations 7-Wire Configurations (Standard RS-232C cable) PC RXD 2 TXD 3 GND 5 DTR 4 DSR 6 RTS 7 CTS 8 Monitor 3 2 5 6 4 8 7 TXD RXD GND DSR DTR CTS RTS D-Sub 9 (Female) D-Sub 9 (Female) 3-Wire Configurations (Not Standard) PC RXD 2 TXD 3 GND 5 DTR 4 DSR 6 RTS 7 CTS 8 Monitor 3 2 5 6 4 7 8 TXD RXD GND DTR DSR RTS CTS D-Sub 9 (Female) D-Sub 9 (Female) LLLL LLL Communication Parameter Baud Rate : 9600buad Rate (UART) Data Length : 8bits Parity Bit : None Stop Bit : 1bit Flow Control : None Communication Code : ASCII code Use a crossed (reverse) cable A1