Technical Specifications; Memory Board - Videx Kristallo Series Manual

Kristallo Series
Art. KRV86-KRV88
CONNECTION TERMINALS SIGNALS
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
onds to enable the internal link between terminals C and NO – the link remains until the button is released).
NO Dry contacts relay normally open contact (during a conversation, keep pressed the
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 SPECIFICATIONS

Housing and mounting: Kristallo Series
Push buttons:
Programming:
Controls:
Power consumption:
Working voltage:
Working temperature: -20 +60 °C
Art. KRV88-KRV86 - Installation instructions
3.5" Hands free videomonitor for VX2300 digital system
Surface (Art. KRV86)
Flush (Art. KRV88)
8
Through buttons and dip-switches
Speech volume
Call tone volume
Brightness
Colour intensity
Contrast
Stand-by: 1/3mA
Operating: 150mA
Peak: 300mA
Supplied by the BUS line
RESTORING FACTORY PRESET
To restore factory preset, proceed as follows:
• Cut off power supply;
• Make a short between LB and GND terminals;
• Restore power supply and wait until LED
fore remove the short.
The unit parameters are restored to factory preset.

MEMORY BOARD

This device is
the version with
(Art. KRV86/VM and Art. KRV88/VM).
If you have that version, please refer to the
"Kristallo Series 3.5" Memory Board" user
manual for installation and use.
The manual is available for download: click/tap or scan the
QR code.
- 6 -
button for more than 3 sec-
button for more than 3
blinks twice be-
also available in
memory board
66250903 - V4.2 - 15/03/21
Max 50Vdc
@ 100mA