67009600-EN - Edition 2015 - Rev. 1.0
16
VX2300 Digital System - “2 Wire” Audio/Video Door Entry System
VX2300 Digital System - Installation handbook
Art.3183 Digital intercom for VX2300 2 Wire System
A
C
B
Fig. 1
BUS
BUS
GND
LB
AL
5
4
3 8
7
6
ON
2
1
4
3
ON
2
1
SW1SW3
S1
Fig. 2
DESCRIPTION
Intelligent intercom with “door open/intercommunicating call” push button (key), bus relay (Art.2305) activation button (dot) and
call tone volume control (3 levels). To reduce bus current all apartment devices are in a sleep mode when not used. In case a user
forgot to replace the handset, each operation must be executed within 10 seconds of lifting the handset otherwise the handset
returns to its sleep state. To then perform an operation it would be necessary to hang up the handset and pick it up again.
PUSH BUTTONS, LED'S AND CONTROLS FIG. 1
A
Door open push button – Intercommunicating call. For an intercommunicating call, pick up the handset and press as many
times as the extension or address value to call (see SW3 Intercommunication Settings).
B
Activate bus relay board Art.2305 push button. To activate a bus relay pick up the handset and press as many times as the
address value of the relay.
C
Call tone volume control (3 levels)
DIPSWITCHES AND JUMPERS FIG. 2
SW1 Switches from 1 to 7 are used for unit address (from 1 to 127 binary coded). Last switch (8) is not used
SW3 Switches 1,2 and 3 are used to for intercommunication settings. Switch 4 is not used.
S1 Impedance terminator. The jumper must be normally closed. When more videophones/intercoms are connected in paral-
lel (from a peripheral to another and so on until the last) the jumper must be open for all the intercoms except for the last
following the connection order.
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