Connecting RS-232 and RS-485 Control
Serial control can be used with stand-alone units, a wall, or several walls.
To connect an external controller:
1.Using a straight-through computer serial cable, connect the RS-232 input of the stand-alone unit or the first unit in the wall to the serial out port of the external control device, such as a video controller. Refer to Figure 7.
2.Connect this first display’s RS-485 Out to the next display’s RS-485 In. Refer to Figure 7.
VIDEO
CONTROLLER
LOOPING
FIRST DISPLAY | SECOND DISPLAY |
Figure 7. RS-232 and RS-485 Connections