Videx VX2300 - Page 53

67009600-EN - Edition 2015 - Rev. 1.0
53
VX2300 Digital System - “2 Wire” Audio/Video Door Entry System
VX2300 Digital System - Installation handbook
TERMINALS
AL Alarm input (not implemented yet)
LB Local bell input (active low)
LB_AL Ground output for use in combination with “AL” & “LB” active low inputs
DOL Auxiliary LED power supply input (+12Vdc – normally used as “DOOR OPEN” LED)
C
Dry contacts relay common contact (during a conversation, keep pressed the button for more than 3 sec-
onds to enable the internal link between terminals “C” and “NO” – the link remains until the button is released).
Max 50Vdc
@ 100mA
NO
Dry contacts relay normally open contact (during a conversation, keep pressed the button for more than 3
seconds to enable the internal link between terminals “C” and “NO” – the link remains until the button is released).
+30Vaux Auxiliary 30Vdc power supply input (to be used when the switch 4 of SW3 is set to ON when more videophone have
the same address and must be switched ON at the same time).
GND 30Vdc power supply ground
+12Vaux Auxiliary 12Vdc power supply input for memory board version (not implemented yet)
GND 12Vdc power supply ground
BUS Bus input terminal
BUS Bus input terminal
TECHNICAL SPECIFICATION
Housing/Mounting: Kristallo Series 3.5” videophones -
ush or surface mountig
Push buttons: Yes, 8
Programming: Yes, carried out by the dip-switches
located on the rear of the videophone
Controls: Loudspeaker and call tone volume,
brightness
Power Supply: Supplied by the BUS line
Power consumption: Stand-by: 3.3mA Max
Operating: 130mA Max
Working temperature: -10°C +50°C
RESTORING FACTORY PRESET
To restore factory preset, proceed as follows:
• Cut o power supply;
• Make a short between “LB” and “GND” terminals;
• Restore power supply and wait until LED
blinks twice be-
fore remove the short.
The unit parameters are restored to factory preset.
Art.KRV88-KRV86 3.5” Hands free videomonitor for VX2300 digital system