Videx 4833 User Manual
66251090-EN - V2.1 - 15/05/16
1
4000 Series
Art.4833 - Installation instructions
Art.4833 Speaker unit
Fig. 1
sw
NONCCPTESLBSV1V221
12Vout
-
+V
J1 J2 J3 J4
1 2 3 4
ON
DATA
H
L
R02A
Fig. 2
DESCRIPTION
Speaker unit module Art.4833 comprising of high quality auto iris lens CCD Day/Night colour camera with infrared illumination LEDs.
LEDS
When illuminated, indicates that it is not possible to make a call because a call or a conversation is in progress (from
the outdoor station from which you are calling or from another outdoor station on systems with multiple entrances).
The LED will be o when the system is in stand-by.
If illuminated, indicates that the call from the outdoor station is in progress. The LED will switch OFF when the call is
answered or after the programmed number of rings.
If illuminated, indicates that it is possible to speak because the call has been answered. The LED will switch OFF at
the end of a conversation (or at the end of the conversation time).
If illuminated, indicates that the door lock has been operated. It will switch OFF at the end of the programmed “door
opening” time.
CONTROLS SPEAKER & MICROPHONE VOLUME
Trimmer to adjust the speaker volume. Rotate clockwise to increase or anticlockwise to decrease.
Trimmer to adjust the microphone volume. Rotate clockwise to increase or anticlockwise to decrease.
66251090-EN - V2.1 - 15/05/16
2
4000 Series
Art.4833 - Installation instructions
Art.4833 Speaker unit
SETTINGS DIPSWITCH & JUMPERS
4 WAY DIPSWITCH
First two switches are used to set the speaker unit address: the speaker unit address is required for camera recall operation on 2
or more entrance systems.
SW
Switches 1,2 Unit Address
OFF OFF 1
ON OFF 2
OFF ON 3
ON ON 4
SW
Switches 3 Conversation Time
OFF 60 seconds
ON 120 seconds
SW
Switch 4 Door opening time (J2 = “L” position)
OFF 2 seconds
ON 6 seconds
JUMPERS J1, J2, J3, J4
H
L
J2 J3 J4J1
J1 Position Call reassurance tone volume
H High
L Low
H
L
J1 J2 J3 J4
J2 Position Door open relay operating mode
H Capacitor discharge
L Dry contacts
H
L
J1 J2 J3 J4
J3 Position Call buttons operating mode (only for Art.4833)
H Each button calls a dierent videophone
L Both buttons call the same videophone (Address 1)
H
L
J1 J2 J3 J4
J4 Position Built-in relays – back EMF protection (MOV)
H NC contact
L NO contact
When the door open relay operating mode is set to “capacitor discharge”, one terminal of the electric lock must be connected to
ground while the second must be connected to “NO” terminal. The “NO” terminal will supply a temporary voltage when the speaker
unit receives the door open command.
BUILTIN RELAYS BACK EMF PROTECTION
The Art.4833 includes selectable back EMF protection on the relays. The jumpers marked J4 (One jumper for each relay) are used to
select the protection type. When using a fail secure lock with connections C & NO the jumper should be in the NO position. When using
a fail open lock with connections C & NC the jumper should be in the NC position and when using the codelock to trigger a gate controller or another third party controller the jumper should be removed completely (This disables the protection on the relay).
LOCK RELEASE BACK EMF PROTECTION
A varistor must be tted across the terminals on AC lock release
(Fig.1A)
and a diode must be tted across the terminals on a DC
lock release
(Fig.1B) to suppress back EMF voltages. Connect the components to the lock releases as shown in gures.
VARISTOR (MOV)
12V AC
LOCK RELEASE
Fig.1A
DIODE
1N4002
12V DC
LOCK RELEASE
Fig.1B
66251090-EN - V2.1 - 15/05/16
3
4000 Series
Art.4833 - Installation instructions
Art.4833 Speaker unit
SIGNALS
+V Power input 16÷20Vdc
Power input ground
12Vout 12Vdc. 0,3A max. output to supply accessiories
1
Speech line input toward the loudspeaker and data signal (about 12V in stand-by, about 5V with a conversation in
progress)
2 Speech line output from the microphone (about 12V in stand-by, about 3V with a conversation in progress)
V1 Balanced video signal sync.–
V2 Balanced video signal sync.+
BS Input/Output busy signal (about 12V in stand-by, about 0V with a call in progress)
SL Active low output to enable the enslavement relay for video signal exchange (active with a call in progress)
PTE Active low input to control directly the door open relay
C Door open relay common contact
Max 24Vdc, 3A when used as dry contacts relayNC Door open relay normally closed contact
NO Door open relay normally open contact
TECHNICAL SPECIFICATION
Power Supply: Supplied by the BUS line, 20Vdc
Power consumption: Stand-by: 70mA
Operating: 250mA
Working Temperature: -10 +50° C
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