Videx VANDAL RESISTANT Technical Manual page 6

AUDIO SYSTEM POWER SUPPLY
Art.520M
The standard power supply is the Art.520M. Outputs of 12Vdc (200mA), 8Vdc (300mA)
and 13Vac (1A) are available. The dc outputs are designed to power the amplifier modules
only and can not be used to power other devices such as code locks, lock releases etc.
These items must be connected to the AC output of this power supply.
CONNECTIONS
Terminal Function
+12 12Vdc output (200mA Max.)
+8 8Vdc output (300mA Max.)
- 0V (Ground)
~ 13Vac (1A Max.)
230 Mains in (Live connection)
0 Mains in (Neutral connection)
VIDEO SYSTEM POWER SUPPLY AND CONTROL UNIT
Art.890
The 890 control unit is used on video systems. Its functions include call tone generation,
voltage regulation and switching to both door panels and videophones, lock release control
and camera recall. The Art.890 requires both 13Vac and 24Vac to operate.
.
CONNECTIONS
Terminal Function
~ & ~ Power input 24Vac
& ~ Power input 13Vac
~
1 Switched 20Vdc to videophones (Only on during a call)
2 Switched negative from videophones to activate lock
3 Receive speech from videophone
4 Transmit speech to videophone
5 Ground for speech circuits
6 Ground for video circuits
TV1 Camera recall facility
T Electronic call tone output for call buttons
A 13Vac output for ac lock release
+8 8Vdc output 200mA max.
F Ground for door panel speech circuits
E Push button commons for AC calling
I Switched 20Vdc for camera (Only on during a call)
G2 Receive speech from door panel
H1 Transmit speech to door panel
F1 Negative supply for camera unit
F2 Switched negative (Switches off when lock released)
SE Switched negative to lock
+12V 12Vdc output 200mA max.
V & M Coax in from camera (V=Centre core, M=Screen)
V & M Coax out to videophones (V=centre core, M=Screen)
PAGE 6 of 24 AUDIO/VIDEO VANDAL RESISTANT TECHNICAL MANUAL
Fuse
compartment
For more information
on the Art.890 please
see the Videx Video
technical manual
VER1.1