Bellcall Digital Door Entry System
PD-083 Issue 3A
Installation and Operating Manual
Page 42 of 46
Diagram L – Option Details
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.
Keypad Matrix
1
1
2
3
4
5
6
7
8
4
7
<A
2
5
8
0
3
6
9
>Z
X
2
2
1
1
B
B
A
A
-
-
-
-
+
+
-
-
Controller
Controller
Control
Area 2
Equipment
Control
Equipment
Area 1
BSD-DIG
BSD-DIG
Blu
Time Clock
Common
Time Clock
Common
Blu
W/Blu
W/Blu
Cat5
Video
Video
Commn
Commn
Audio
Audio
Data
Data
+
+
Time
Time
-
-
-
+
CO
NO
NC
TS2000
Time Clock