Daisy Chain Connection; Connecting The Cable; Communication Parameter - JVC RS-840UD Owner's Manual

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)
PC
*Maximum of Daisy Chain: 4 pcs
RS-232C Configurations
2-Wire Configurations (Not Standard)
PC (or PD RS-232C Out)
1
6
Pin 2 ,RD
2
7
3
8
Pin 3 , TD
4
9
5 9 Pin RS-232C Cable
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
All manuals and user guides at all-guides.com
IN OUT IN
Display 1 Display 2
PD (RS-232C In)
1
6
2
7
3
8
4
9
5
Male
45
OUT IN OUT
Display 3
PC DB 9 Pin Male
Pin No. Designation Description Input/Output
5
9
1 DCD Data carrier detect
2 RxD Receive data
3 TxD Transmit data
6
1
4 DTR Data terminal ready
5 GND Ground
6 DSR Data set ready
7 RTS Request to send
8 CTS Clear to send
9 RI Incoming call
IN OUT
Display 4
Input
Input
Output
Output
-
Input
Output
Input
Input