TD 93021US
17 July 2017 / Ver. PF3
17
Installation Guide
teleCARE IP
4.5
Power Supply Unit (24Vdc) with Multiple Power Buses
The output of the power supply unit can be divided over multiple buses. This method is recommended as
it will reduce the power cable lengths.
Figure 6. Multiple power buses
4.5.1 Power Supply Basic Installation
The 24Vdc power is carried on a two-wire bus that loops from room controller to room controller. The
minimum wire size for the 24Vdc power supply bus is 18 AWG (1mm).
Figure 7. LAN and room bus cables with power supply (24Vdc)