bell
issimo
2-72 Way Video Entry System
PD-098 Issue 4B
Installation and Operating Manual
Page 30 of 44
Diagram C – BSD8 PCB Detail
2
M
M
R
2
+
5
1
LS
S
S
O
1
-
6
B
LL
B
+
7
A
LC
A
-
8
-
-
-
B1
-
-
T
-
+
3
3
-
+
+
Video
Camera 1
S
p
e
e
c
h
U
n
it
Camera 2
Video
Exit
DDA
Calls
Commn
12V
12V
Audio
Audio
Door
Data
Data
Lock
Commn
+
B2
+
+
C
+
-
4
4
-
-
-
bell
issimo
Door Controller
BSD8
Door Panel
Entrance
Power
Supply
Input
Output
Status
Lock
Power
Test
SW3
SW2
SW1
Cam
Audio
Video
100
75
High
100
75
High
Cam1
Cam2
4 3 2 1 0
Video
Gain
Label BSD8/72
Version No
Build No
E
x
p
a
n
s
io
n
1
Prog
The 72 way Expansion PCB not shown It simply has 8 by 8 way terminal
blocks For Call Inputs 9 to 72 and is connected by a short ribbon connector
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