67009600-EN - Edition 2015 - Rev. 1.0
15
VX2300 Digital System - “2 Wire” Audio/Video Door Entry System
VX2300 Digital System - Installation handbook
Art.3181 Digital intercom for VX2300 2 Wire System
NUMBER OF RINGS
The number of rings can be set to 3 (factory preset) or 6. To change the number of rings proceed as follow:
• Disconnect the power supply from the system;
• Short the terminals “LB” and “GND”;
• Reconnect the power supply to the system checking the privacy on LED and then remove the short between terminals “LB” and “GND”;
• The number of LED ashes will be 1 for 3 rings or 2 for 6 rings.
Each time this operation is carried out the number of rings is switched between the values 3 and 6.
SIGNALS ON CONNECTION TERMINALS
BUS
BUS connection terminals
BUS
LED– Door open LED ground signal input
LED+ Door open LED power supply input (+12Vdc)
GND Ground signal
GND Ground signal
AL Alarm input (not implemented)
LB Local Bell contact (put a push button between this
terminal and the relevant GND terminal)
SPECIFICATION
Housing/Mounting: 3000 Series Intercoms / direct wall
mounting
Push Buttons: Yes, two
Programming: Yes, carried out by the dip-switches
inside the intercom
Controls: Call tone volume and privacy ON-OFF
switch
Power Supply: Supplied by the BUS line
Working Temperature: -10 +50°C
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