66251320-EN - V1.5 - 31/10/16
4
6400 Series
Art. 6478 - Installation instructions
ART. 6478 - SIGNALS
+VD
12Vdc output to supply coax video distributor Art. 894N
+20
Video power supply 17÷20Vdc
V1
Balanced video signal V1 sync. (balanced video signal mode)
V/V2
Balanced video signal V2 sync. (balanced video signal mode)
Composite video signal (coax video signal mode)
GNDV
Video power supply ground reference
L
BUS line
–
BUS line ground reference
LB
Local bell input (active low)
AL
Alarm input (active low)
DOL
12Vdc input to supply Aux LED
EXTC
Call tone output for extension sounder (Art. 512A)
SW
Service button connection
Max 24 Vdc
50mA
SW
Service button connection
12Vo
+12Vdc stabilized output
12Vi
Stand-by +12Vdc power supply input
–
Power supply ground input / coax video ground
VM
Auxiliary input 200mA 12Vdc for video memory
(Art. 6478/VM)
TECHNICAL SPECIFICATION
Working Voltage:
17÷20Vdc
Power Consumption:
Standby: 10mA
During a conversation: 150mA
Max: 250mA
Working Temperature:
-10°C +50°C
MEMORY BOARD
This device is also available in the version with memory board (Art. 6478/VM).
If you have that version, please refer to the
“6200, 6300, 6400 and 6700 Series Memory Board”
user manual for
installation and use. The manual is available for download at the following link:
https://www.dropbox.com/s/492p16btyqhxmpu/66250782-EN.pdf?dl=0
Art. 6478
4.3" hands free colour display videophone
