Two external video accesses and "N" internal accesses
ALV 3.5A
DOOR OPENER
C
R
-
-
+
Vi
-
b
Vi
a
Vo
b
Vo
a
C
R
CONTROL
MODULE
C4231 PAL
12345 876
ON
ATF-12
MONITORS DISTRIBUTION
(See pages 38 to 40)
MONITORS DISTRIBUTION
(See pages 38 to 40)
The wiring diagram is the same
for push-button and keypad
accesses
DOOR OPENER
C
R
-
-
+
Vi
-
b
Vi
a
Vo
b
Vo
a
C
R
SDL
CONTROL
MODULE
C4231 PAL
12345 876
ON
DOOR OPENER
C
R
-
-
+
Vi
-
b
Vi
a
Vo
b
Vo
a
C
R
CONTROL
MODULE
C4231 PAL
12345 876
ON
DOOR OPENER
C
R
-
-
+
Vi
-
b
Vi
a
Vo
b
Vo
a
C
R
SDL
CONTROL
MODULE
C4231 PAL
12345 876
ON
220Vac
DIGITAL COMPACT MONITOR
J2 position 2-3 Main monitor
DIGITAL
31
SDL SYSTEM
SELECTOR DIGITAL DE LINEAS
DIGITAL LINES SELECTOR
3
6
9
SDL
(Building 254)
12345678
SDL
(Building 1)
12345678
21 3
4 5 6
7 8 9
0
4
7
0
1
C
2
4
7
0
1
C
2
21 3
4 5 6
7 8 9
0
ATF-12
220 Vac
ATF-98
ATF-98
IMPORTANT: In the SDL system we
have as many communication lines
as SDL are intalled
MAIN PANEL
CODE 0
MAIN PANEL
CODE 0
MAIN PANEL
CODE 0
SECONDARY PANEL
CODE 0
EXTERNAL
ACCESS
EXTERNAL
ACCESS
INTERNAL
ACCESSES
INTERNAL
ACCESSES