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PAGE 35 of 68 VX2200 TECHNICAL MANUAL VER1.5

Video monitor (5478, 5476)

An intelligent Hands-free (surface or flush

mounting) video monitor employing a colour

3.5” active matrix LCD display. The 5478 is

available in white, silver and carbon fibre

finishes and can be fitted with the optional flush

kit or handset kit.

The 5478 includes push buttons for “door

open/concierge call”, “answer/camera recall”, “privacy on/off”, “Latching

relay activation” and 2 service buttons plus 4 LED’s associated with the 4

main buttons. In addition to the above, the unit has also controls for

loudspeaker volume, call tone volume, brightness and hue with

programmable number of rings, privacy duration and melody.

The buttons and LED’s have the following functions:-

Service push button - When pressed, shorts terminal 12 “S1” to terminal “GND” (ground). (Max 24Vdc 50mA)

Latching output – Each time this button is pressed it will toggle terminal 14 between ground and open collector. The LED next

to the button will illuminate when the output is grounded

Answer button - On an incoming call, operation of this button allows the user to answer and converse with the visitor. The

LED next to the button will illuminate.

Camera recall button - Press as many times as the DEVICE N. of the door station to switch on.

Switch off button - With the system switched on (monitor on), momentary operation of the button will switch the video monitor

off. The videomonitor will also automatically switch off after a time delay if the button is not pressed. LED 2 will switch off.

Simplex button - Pressing and holding the button for more than 3 seconds will switch the videomonitor into SIMPLEX speech

mode. Press and hold the button to speak to the caller (The LED will flash rapidly), release the button to listen (The LED will

flash slowly). If the button is not pressed for 10 seconds the videomonitor will switch off. The videomonitor will revert to

duplex speech when another call is made.

When pressed, shorts terminal 13 “S2” to Terminal “GND” (ground). (Max 24Vdc 50mA)

Privacy on-off button - Press to enable/disable the service. The LED next to the button will illuminate when the privacy

service is enabled.

Concierge call button – While in standby, press this button to call the concierge (If service is available).

Door open button - During a call, operation of this button will activate the door.

Loudspeaker volume control

Call tone volume control

Brightness control

Colour intensity control

Terminal Signal Description

1 & 2 +20V

Video power supply input 17-20Vdc

3 & 4 GND

Video power ground connection

5 V2/V

Balanced video V2 input or coax centre core (Set by 4 way dip-switches)

6 V1

Balanced video V1 input

7 L

Data/speech bus input

8 GND

Bus ground

9 LB

Local door bell input (Switched to ground to trigger)

10 AL

Alarm button input (Switch to ground to trigger)

11 GND

Ground

12 S1

S1 push button (Shorts to Ground when pressed)

13 S2

S2 push button (Shorts to Ground when pressed)



 push button (Latching toggle action)

15 +VD

+12Vdc output to power video distribution unit (Art. 894)

16 GND

Ground

17 12VO

Regulated 12Vdc output

18 12VI

+12Vdc power supply input

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Videx VX2200 Guía para resolver problemas Pagina 35

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