PAGE 13 of 24 AUDIO/VIDEO VANDAL RESISTANT TECHNICAL MANUAL
VER1.1
L
ock release back EMF protection :
A capacitor must be fitted across the terminals on
an AC lock release
and a diode must be fitted across the terminals on a DC lock release
as shown in the diagrams below to suppress back EMF voltages.
LOCK RELEASE
12V AC
~ ~
0.1uF capacitor
+
-
1N4002
+
-
12V DC
LOCK RELEASE
DIODE
CABLE SIZE GUIDE
AUDIO SYSTEM
Connections from door panel to telephone.
Connections
50m 100m 200m 300m 400m
1
0.25mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
2
0.25mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
3
0.5mm² 0.75mm² 1.5mm² 2.0mm² 2.5mm²
5
0.5mm² 0.75mm² 1.5mm² 2.0mm² 2.5mm²
6
0.25mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
When ever possible connection 1(Tx) should be twisted with connection 3(Gnd) and connection 2(Rx) should
be twisted with connection 3(Gnd) as pairs.
Maximum acceptable resistance for terminals 1,2 & 6 = 10
Ω
and for terminals 3 & 5 = 3
Ω
Connections for power supply output to door panel and lock release connections.
50m
100m
Connections
0.5mm² 0.75mm²
The power supply should be located as close to the door panel as possible for best performance.
Maximum acceptable resistance for above cables = 3
Ω
VIDEO SYSTEM
Connections from door panel to the Art.890 controller.
Connections
50m 100m 200m 300m
400m
T
0.35mm² 0.5mm² 0.5mm² 0.75mm²
1.0mm²
A
0.5mm² 1.0mm² 1.5mm² 2.0mm²
2.5mm²
+8
0.35mm² 0.5mm² 0.75mm² 1.0mm² 1.5mm²
F
0.35mm² 0.5mm² 0.75mm² 1.0mm² 1.5mm²
I
0.35mm² 0.5mm² 1.0mm² 1.5mm² 2.0mm²
G2
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
H1
0.35mm² 0.5mm² 0.75mm² 1.0mm² 1.5mm²
F1
0.35mm² 0.5mm² 0.75mm² 1.0mm² 1.5mm²
F2
0.35mm² 0.5mm² 0.75mm² 1.0mm² 1.5mm²
SE
0.5mm² 1.0mm² 1.5mm² 2.0mm²
2.5mm²
V
Standard quality
Medium quality
Good quality
Good quality
High quality
M
75
Ω
Coax cable
75
Ω
Coax cable
75
Ω
Coax cable
75
Ω
Coax
cable
75
Ω
Coax
cable
When ever possible connection H1(Tx) should be twisted with connection F(Gnd) and connection G2(Rx)
should be twisted with connection F(Gnd) as pairs.
Содержание VANDAL RESISTANT AUDIO AND VIDEO DOOR ENTRY SYSTEM
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