LEGRAND 430 523, User Manual

Page: 30 / 91

Power Description •
Carefully check the voltage and current capacity of the rated power. •
The rated power is indicated in the back of main unit.
Input Voltage Range Current Consumption
DC 11V ~ 15V 2,5 A
For the DC input models, be careful with the polarity of DC power. The system should be permanentally damaged •
by wrong DC input.
In case that the length of the power wire is very long, there may be voltage drop and the syatem may not work properly. •
Make the length of the power wire as short as possible.
RS-485 Communication •
For PTZ control, connect the cable(s) to your keyboard or DVR. To connect multiple cameras to a single •
controller, RS-485 communication should be connected in parallel as shown below. If you are connecting a
single camera to a controller, terminate the camera.
When connecting more than one camera to a single controller, terminate the last camera on the communication
line.
The last camera means the camera farthest in cable length from the controller.
Note that the total length of the communication cable between a controller and the camera(s) on the same
communication line must be less than 1.2Km.
)
Video •
Use BNC coaxial cable only. •
30