
PAGE 14 of 24 AUDIO/VIDEO VANDAL RESISTANT TECHNICAL MANUAL VER1.0
Maximum acceptable resistance for terminals T, G2, H1 = 10Ω and for terminals A, +8, F, F1 & I = 6Ω and
for terminals SE & F2 = 3Ω
V is the centre core of the coax and M is the screen.
The transformer should be mounted next to the Art.890 and connected using 1mm² cores
Connections from the Art.890 controller to the videophone.
Connections
Numbers in brackets are
those of the videophone
back plate. Without
brackets are signal
50m 100m 200m 300m 400m
+12(1)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
TV1(2)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
TV2(3)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
1(4)
0.35mm² 0.5mm² 1.0mm² 1.5mm² 2.0mm²
2(5)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
3(6)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
4(7)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
5(8)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
6(9)
0.35mm² 0.5mm² 1.0mm² 1.5mm² 2.0mm²
7(10)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
V(11)
Standard quality Medium quality Good quality Good quality High quality
M(12)
75Ω Coax cable 75Ω Coax cable 75Ω Coax cable 75Ω Coax
cable
75Ω Coax
cable
R(13)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
C(14)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
-(15)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
T(16)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
1T(17)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
2T(18)
0.35mm² 0.35mm² 0.5mm² 0.75mm² 1.0mm²
When ever possible connection 3(6) should be twisted with connection 5(8) and connection 4(7) should be
twisted with connection 5(8) as pairs.
Maximum acceptable resistance for all terminals except 1(4) & 6(9) = 10Ω and terminals 1(4) & 6(9) = 6Ω
V is the centre core of the coax and M is the screen.
AUDIO SYSTEM BLOCK DIAGRAM
Note: Additional cores will be required for auxiliary devices such as push to exit buttons,
fireman switches, proximity access control etc.
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