28
Daisy Chain Connection
Connecting the cable
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.
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.
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
RS-232C Configurations
OUT
IN
OUT
IN
OUT
IN
OUT
IN
RS-232C cable
(not included)
PC
Display 1
Display 2
Display 3
Display 4
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
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
5
1
9
6
2-Wire Configurations (Not Standard)
PC (or PD RS-232C Out)
PD (RS-232C In)
9 Pin RS-232C Cable
Male
Male
Pin 2
Pin 3
*Maximum of Daisy Chain: 4 pcs
