66251230-EN - V1.4 - 15/06/16
4
6300 Series
Art.6378 - Installation instructions
ART.6378 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.6378/MV)
TECHNICAL SPECIFICATION
Working Voltage: 17÷20Vdc
Power Consumption: Standby: 10mA
During a conversation: 150mA
Max: 250mA
Working Temperature: -10°C +50°C
Art.6378 3.5" hands free colour display videophone
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