Videx ESVK Manual page 28

ESVK/KRV86 - ESVK/KRV88 Series "2 wire Bus" videokit
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 SPECIFICATION
Housing/Mounting:
Push buttons:
Programming:
Controls:
Power Supply:
Power consumption:
Working temperature: -10°C +50°C
MEMORY BOARD
This device is also available in the version with memory board (Art. KRV86/VM and Art. KRV88/VM).
If you have that version, please refer to the "Kristallo Series 3.5" Memory Board" user manual (in English and
Italian) for installation and use.
The manual is available for download: click/tap or scan the QR code.
ESVK/KRV86 - ESVK/KRV88 Series - Installation handbook
3.5" Hands free videomonitor for VX2300 digital system
Kristallo Series 3.5" videophones -
flush or surface mountig
Yes, 8
Yes, carried out by the dip-switches
located on the rear of the videophone
Loudspeaker and call tone volume,
brightness
Supplied by the BUS line
Stand-by: 3.3mA Max
Operating: 130mA Max
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.
- 28 -
button for more than 3 sec-
button for more than 3
blinks twice be-
66550045-EN - V6.2 - 31/10/20
Max 50Vdc
@ 100mA