1. Introduction
1 call button
+ tag reader
1 call button with keypad
+ tag reader
INTERIOR HANDSET UNIT
178
DOORPHONE SYSTEM COMPONENTS
Outdoor caller units wired
to main controller (road side)
Connection
of an electrical latch
or lock
Handset units can communicate
with each other (inter-handset
communication function)
2 call buttons
+ tag reader
OUTDOOR SYSTEM
2 call buttons with keypad
+ tag reader
Main controller
(garden side)
Connection
of gate motorisation
system
Handset
Base