DoorBird D21 Série Manuel D'installation page 19

BELL, BELL
EXT, EXT
EXT
EXT
15 VDC -
15 VDC +
Only related for devices with call button(s):
4 PIN (SWITCH)
2 PIN (BELL)
BELL
BELL
Reserved – Do not use!
N OTI CE
Door opener button, max. 0 V DC/V AC,
0 Ampere. These ports can be used to connect e.g. a
door opener button inside the home. It will trigger the
first bi-stable latching relay of the device (REL1, REL1).
Please make sure to add no voltage on these
N OTI CE
ports. Extra voltage may destroy the device
immediately.
15 V DC Power supply input, negative pole (-). Please
connect the black wire of the power supply unit (mains
adaptor) supplied with the device here, if you do not
power the device using PoE.
Do not power the device simultaneously via
N OTI CE
the power supply from the power supply
unit (mains adaptor) and the power supply
via PoE.
15 V DC Power supply input, positive pole (+). Please
connect the red wire of the power supply unit (mains
adaptor) supplied with the device here, if you do not
power the device using PoE.
Do not power the device simultaneously via
N OTI CE
the power supply from the power supply
unit (mains adaptor) and the power supply
via PoE.
Use the yellow cable to connect the button to the IP
Video Door Station.
We offer feature-rich IP door chimes (e.g. DoorBird
A1061W), which can be securely connected via your
network (LAN / WIFI / WAN) to this device. Alternatively
you can connect a conventional door chime using
this relay contact.
19