JVC rs-840UD owner manual Daisy Chain Connection, Connecting the cable, RS-232C Configurations

Daisy Chain Connection

Use this method to connect several displays to a single PC.

You can control several displays at a time by connecting them to a single PC.

Connecting the cable

Connect the RS-232C cable as shown in the illustration.

*The RS-232C protocol is used for communication between the PC and display. You can turn the display on/off or adjust the OSD menu from your PC.

RS-232C cable (not included)

IN OUT IN OUT IN OUT IN OUT

PC

Display 1 Display 2

*Maximum of Daisy Chain: 4 pcs

RS-232C Configurations

2-Wire Configurations (Not Standard)

PC (or PD RS-232C Out)			PD (RS-232C In)			5	9
1			1
6		Pin 2 ,RD	6
2			2
7				7			6
3			3			1
8		Pin 3 , TD			8
4			4
9			9
5	9 Pin RS-232C Cable 5
Male					Male

Communication Parameter

a Baud Rate: 9600

a Data Length: 8 Bit

a Parity Bit: None

a Stop Bit: 1 Bit

a Flow Control: None

a Communication Code: Hex Code a Use a DB 9 Pin Cable

45

Display 3 Display 4

PC DB 9 Pin Male

Pin No.		Designation Description	Input/Output
1	DCD	Data carrier detect	Input
2	RxD	Receive data	Input
3	TxD	Transmit data	Output
4	DTR	Data terminal ready	Output
5	GND	Ground	-
6	DSR	Data set ready	Input
7	RTS	Request to send	Output
8	CTS	Clear to send	Input
9	RI	Incoming call	Input