BF Apartment Station Digital Entry System
PD
–166 Issue 1
Installation and Operating Manual
Page 41 of 48
Diagram J – Camera Sharing & Time Clock Sharing
Camera Termination Options
Cameras may be wired in either twisted pair or coax and shared with other equipment.
Time Clock Sharing
A time clock can be shared between distributed equipment areas by borrowing one of the
„comm -‟ wires in the interconnecting Cat5 to use as the shared “Time clock common”.
The “Time clock common” signal is sharable across all Bell controller types.
M
M
M
M
S
S
S
S
–
–
–
–
Camera 1
Camera 1
Camera 1
Camera 1
+
+
+
+
Twisted Pair Through Connection
Door Controller
Door Controller
Door Controller
Door Controller
From other
equipment
or Camera
From other
equipment
or Camera
To other
equipment
To other
equipment
From
Camera
From
Camera
Coax Through Connection
Twisted Pair Termination
Coax Termination
100
75
High
100
75
High
100
75
High
100
75
High
Cam1
Cam1
Cam1
Cam1
2
2
1
1
B
B
A
A
–
–
–
–
+
+
–
–
Controller
Controller
Control
Area 2
Equipment
Control
Equipment
Area 1
Blu
Time Clock
Common
Time Clock
Common
Wire "Time Clock Common"
as if time clock is Local
Blu
W/Blu
W/Blu
Cat5
Video
Video
Commn
Commn
Audio
Audio
Data
Data
–
+
CO
NO
NC
TS2000
Time Clock
