3. System Installation
3.5 System layouts
Two RS485 communication lines and a central power supply:
Audio/Microphone cable
Two RS485 communication lines and localpower supplies:
RS485 communication line maximum distance:
Or:
NOTE:
*
More system examples can be found in Annex A.
12
Power supply
24VDC 2-7A
Termination jumper should be placed on the last user interface (CS-WC or CS-PP),
located at the end of each RS485 communication line.
600m
Audio/Microphone cable
RS-485
RS-485
DC 24V
input
600m
Audio/Microphone cable
PSU
RS-485
RS-485
600 m
RS485
HUB
*
PSU
*
600 m
600 m
600 m
600 m
*
*