HP LD4210 42-inch LCD Digital Signage Display - Manual (Page 49)

Each display must be connected to every other display, using either RGB IN/RGB OUT or DP IN/
DP OUT as shown in the following figure. If you want to issue display commands from the media
player/computer, you must connect each display with RS-232-C IN/RS-232-C OUT just like the
video connections.
Figure 4-1 Tile Mode 3x3 video wall—Connecting displays with DP IN/DP OUT
D i s p l a y I n
Display Out
D i s p l a y I n
Display Out
D i s p l a y I n
Display Out
D i s p l a y I n
Display Out
D i s p l a y I n
Display Out
D i s p l a y I n
Display Out
D i s p l a y I n
Display Out
D i s p l a y I n
Display Out
D i s p l a y I n
Display Out
1 2 3
4 5 6
7 8 9
ENWW Using the On-Screen Display menu 41