7
CONNECTING THE DEVICE
It is possible to connect the cables and wires to the device conveniently and safely via labelled connection ports.
You can connect all necessary cables and wires to the device now. Please remove any cables and wires from the
connection ports of the device that you do not need. Remove about 5 mm of insulation material at the end of
the wires that you would like to connect to the green screw connection terminal of the device.
Please take care when connecting the cables and wires. Connecting the cables and wires the wrong
NOTI C E
way may damage the device. Wires without insolation material must not protrude out of the green
screw connection terminal, it may lead to electrical short and damage the device.
The yellow, green, and red cables that lead out from the side of the Main Electrical Unit must only be
NOTI C E
used to connect components certified by Bird Home Automation.
Handle the front panel with care. The surface of the front panel could be scratched or
otherwise damaged if handled without care.
DOORBIRD D21x
REL1
PORT
DESCRIPTION
LAN/POE
RJ45 jack to connect a standard Network cable Cat.5 or better, coming from the Internet
Router/PoE-Switch/PoE-Injector.
NOT I CE
REL1, REL1
Bi-stable latching relay #1, max. 24 V DC / AC, 1 Ampere. Security feature: The relay keeps
its state even in the case of loss of power. You can configure the default state of the relay
(open/close) via the DoorBird App. These ports can be used to connect e.g. an electric door
opener. The device does not supply power to the connected device. The power supply for
REL1
the electric door opener must be installed separately.
REL1
REL2
EXT
15VDC
Do not power the device simultaneously via the power supply from the power
supply unit (mains adaptor) and the power supply via PoE.
When wiring an electric door opener directly to a door station, there is a risk that
the electric door opener could be tampered by unauthorized third parties (e. g. by
breaking the door station and short-circuiting the wiring of the door opener).
Therefore, we generally recommend the use of a remote safety relay mounted
indoors (e. g. DoorBird I/O Door Controller A1081) for wiring an electric door
opener for a more secure installation in your home.
Only related for devices
with call button(s)
Each Call Button is
equipped with one jack.
4 Pin
9