Telecom Behnke a Series User Manual

Manual Door intercom devices a / b series 20 / 30 / 40 / 50 / 20-0028A/-0028B
Installation
GB
53www.behnke-online.com
7. If required, connect 12-15 V= (potential-free;
use Behnke plug-in power supply 20-9585).
Required for lighting, integrated heating, and
additional amplifier; not required for tele-
phone operation including all functions. Spe-
cial functions, such as camera, display, voice
messages, timer control may need additional
electronics and an additional power supply.
If you use multiple door intercom devices,
please always ensure a galvanic isolation of
the additional power supply. Please note:
The concurrent operation of multiple devices
using one power supply unit without DC/DC
converter is not permitted.
8. Connect the telephone line to: a / b line of the
analogue extension of a telephone system,
analogue landline connection or other a / b
ports. After connecting the telephone line,
you will hear a long beep indicating the
operational readiness of the door intercom
device (=initialisation). The door intercom
device is now ready for set-up. Please note:
The devices must not be operated in parallel
via an a/b line.
Please put unused cables into the module hous-
ing with the open end (connector) facing down.
Doing so will prevent moisture from entering
into the connector. Now put the electronics box
on top of the module housing.

Telecom Behnke a Series Specifications

General

Brand	Telecom Behnke
Model	a Series
Category	Intercom System
Language	English