BenQ SL461A - Daisy-chaining Multiple Displays

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3.5. Connecting Multiple Displays in a Daisy-chain Configuration
You can interconnect multiple displays to create a daisy-chain conguration for applications such as a video wall.
NOTE: Maximum 25 displays (5x5) can be used in a daisy-chain conguration.
3.5.1. Display control connection
Connect the [RS232C OUT] connector of DISPLAY 1 to the [RS232C IN] connector of DISPLAY 2.
PC
DISPLAY 1 DISPLAY 2
[RS-232C IN][RS-232C] [RS-232C OUT] [RS-232C IN]
3.5.2. Digital video connection
Connect the [DVI OUT / VGA OUT] connector of DISPLAY 1 to the [DVI IN] connector of DISPLAY 2.
PC
DISPLAY 1 DISPLAY 2
[DVI IN][DVI] [DVI/VGA OUT] [DVI IN]
3.5.3. Analog video connection
Connect the [DVI OUT / VGA OUT] connector of DISPLAY 1 to the [VGA IN] connector of DISPLAY 2.
PC
DISPLAY 1 DISPLAY 2
[VGA IN][VGA] [DVI/VGA OUT] [VGA IN]