Table 4-1 Descripons of Terminal and Interfaces
Interface Descripon Funcon
B1+ 12 VDC Power
supply for
doorphone 1
For the connecon of doorphone 1
V1 Video input of
doorphone 1
A1 Audio input/
output of
doorphone 1
G Grounding
B2+ 12 VDC Power
supply for
doorphone 2
For the connecon of doorphone 2
V2 Video input of
doorphone 2
A2 Audio input/
output of
doorphone 2
G Grounding
GND Grounding For the connecon of alarm input devices
AIN1 Alarm input 1
AIN2 Alarm input 2
COM1 Door lock relay
output 1
(common)
For the connecon of door locks
NO1 Door lock relay
output 1
(normally open)
COM2 Door lock relay
output 2
(common)
NO2 Door lock relay
output 2
(normally open)
Video Intercom Kit User Manual
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