4
Application
Door loudspeaker 1+n technology
with integrated loudspeaker and
microphone.
Can only be used in conjunction
with the in-house telephones HTS/
HTC 711/811-…
Performance features:
• Loudspeaker, voice volume can be
adjusted
• Durable electret microphone
• Work contact for door release,
can be controlled without additional
wiring via existing side circuit
• An SFC 602-… switching/remote
controller and/or CTÖ 602-… con
-
troller door release can be connected
• A code lock can be connected for
digital call input
• Acoustic feedback when pressing
a call button can be activated
Electrical voltage
Mounting, installation and servicing
work on electrical devices may only
be performed by a suitably qualified
electrician.
Servicing
The functional unit can be com-
pletely exchanged if required.
Information regarding replacement
and checking the functional units
can be found in the product infor-
mation for the door station.
If there are more than 5 call buttons
at the door loudspeaker, these are
routed to the call button extension
terminal board behind the intercom
system. The measurement points for
these buttons are located behind the
call button extension.
English
1 Connection pcb
For surface mounted door stations:
Connection not via connection pcbs
but in a similar manner as Siedle
Vario using terminal blocks.
Terminal assignment
+, –
Supply voltage 24 V DC
TLn
Synchronisation for several
door stations
6
Call voltage for the call
buttons
D+, D– CTÖ 602-…/SFC 602-…/
ETC 602-…/GC 612-…
control
1
Reference terminal for 1+n
11
Call current recognition for
call buttons
Vc
Camera actuation
Tö
Relay contact door release
switched against poten-
tial c
Li
Relay contact light
b, c
Voltage 12 V AC
Call button lighting, per
call button 3 mA
7.1–7.5 In-house telephone (1…n)
T1, T2
Potential-free light button
max. 24 V, 2 A
M1, M2
Pilfer safeguard
Installation and commissioning
Installation and commissioning pro-
cedures are described in the system
manual 1+n technology (enclosed
with line rectifier NG 602-…).
2 Switching several doors
in parallel – Removing the
jumpers
If there are several door loud-
speakers installed in the system,
for the
2
nd to the
x
th Steel door
station the door intercom system
has to be removed in each case and
the jumpers mounted in the factory
removed from the installation pcb
behind.
In-house telephones
which are
only connected to one
door
loudspeaker
must always
be con-
nected to terminals 7.1 to 7.5 of this
door loudspeaker. If the in-house
telephone is connected for instance
to terminal 7.4, at the installation
board behind this STLM 612-…
j
↔
7.1 to +
↔
7.3,
+
↔
7.5 and if available also
+
↔
7… must be removed.
3 Volume setting
If required, the volume can be
altered at the opening with the
loudspeaker symbol “b” using the
plastic key “a” located inside the
inspection shaft cover.
The potentiometer for volume
regulation is only accessible with the
operating panel removed.
Information regarding mounting and
removal can be found in the product
information for the door station.
Specifications
Contact type: 2 n.o. contacts 24 V,
2 A
Switching time: 3 sec
Ambient temperature:
–20 °C to +55 °C
