25H/SP/DDA/2W - TECHNICAL MANUAL
EN-UK - V.1.2 - 04/01/16
13
VIDEX
25H/SP/DDA/2W
(1 way “2 wire” DDA audio intercom kit)
ART.3171 AUDIOPHONE
The Art.3171 audiophone includes a three position call tone volume control, lock release push button and
spare dry contact ‘push-to-make’ button for other services. Up to three telephones can be connected in
parallel on this system. A local door bell
(LB terminal)
is also available. Connecting a push switch between LB
& - will ring the telephone to inform the occupant that someone is at their door
(the local bell audible ringing
tone is different to the call tone from the intercom panel)
.
A minimum of 2 cores are required to connect the Art.3171 audiophone to the Art.138N amplifier module.
For internal use a CW1308 twisted pair telephone cable is recommended and for external use a CW1128
twisted pair telephone cable is recommended.
Audiophone Dip-Switch Settings
Internally the Art.3171 audiophone has an 8 way dip-switch to set up the phone ID and is based on binary
addressing
(for the 25H/SP/DDA/2W audio kit the default address for the Art.3171 audiophone should be set to
phone ID.1 as shown below).
Dip-Switch No.
1
2
3
4
5
6
7
8
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
VIDEX
1
2
3
4
5
6
7
8
ON
SW1
L
_
LB
AL
SW
SW
VR1
85mm
218mm
Terminal Function
L
BUS line data input
-
BUS line ground input
LB
Local Bell input
(switched 0V)
AL
Alarm input
(switched 0V, for use with
concierge)
SW
Dry contact switch connections
SW
Technical Specification
Bus Voltage
: 7.5Vdc
Current
(during call)
: 15.5mA
Current
(during
conversation)
: 78mA
Current
(during lock
release)
: 80 - 105mA
(max.)
Audiophone
Dimensions
: 85mm
(W)
x 218mm
(L)
x 55mm
(D)
Working Temp.
: -10 +50
o
C
Art.3171 Terminal Connections and Dimensions
