Communication Connection
Support for up to 250 keypads per condominium controller is
provided, connection to the system controller uses the network
communication RS-485 interface. This interface is an isolated
interface and requires power to be supplied to the N+ and N-
terminals.
Figure 3 - Wire Loom Colour Coding and Function
When using more than one PSU to supply multiple wiring runs
of condominium keypads only connect the +12 output of ONE
power supply unit to the N+ and N- terminals of the
controller. Each PSU unit should have the common (0V or -)
connected together to ensure a common 0V.
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ELT-KLED EliteSuite Installation Manual