Videx 6778 VX2200 Installation Instructions Manual

66251490-EN - V1.0 - 31/10/16

1

6700 Series

Art.6778 - Installation instructions

Art.6778 7" hands free colour display videophone

27mm

200mm

150mm

Fig. 1

PT2 PT3

PT1

SW1

VR1

+VD

+20V1V/2V

GNDVL–LBAL

DOL

EXTCSWSW

12Vo

12Vi–VM

DSW2

1
2
3
4

ON

6 7 8

1
2
3

5

4

ON

DSW1

A

B

C

H

G

F

D E

I

Fig. 2

ART.6778 VX2200 6700 SERIES HANDS FREE VIDEOPHONE
FOR SYSTEMS USING COMPOSITE VIDEO SIGNAL COAX OR
BALANCED TWISTED PAIR

Surface mount hands free intelligent videophone incorporating
a 7” Hi-Res full colour active matrix LCD monitor, with “answer/
camera recall”, “door open/concierge call”, “privacy” and one
“service” buttons plus 3 LED’s signalling privacy service enabled,
door open and activated functions.
Programmable settings: video mode (coax or balanced), privacy
duration, melody and number of rings.
Adjustments: call tone volume (3 levels), speech volume, pic­ture hue, contrast and brightness.
Also includes a local bell function.

LEGEND

A

Connection terminals

B

8 Way dip switch bank to set videophone address

C

4 Way dip switch bank to set video mode

D

Contrast adjustment trimmer

E

Hue adjustment trimmer

F

Speech volume control

G

Brightness control

H

Call tone volume switch

I

RJ-45 connector

PUSH BUTTON OPERATION DURING STANDBY FIG. 1

Service button
When pressed, shorts terminal “SW “ to “SW “ (max 24Vdc 50mA).

Privacy service

Press to enable the privacy service. The LED “ “ turns on. The service is deactivated by pressing again the same button or
when the programmed time expires.

Call the concierge

Press to book a call to the digital concierge if installed on the system.

Camera recall

Press a number of times equal to the ID value of the door panel to switch ON. The LED “ “ turns on.
When the connection is made, press again to end the call.

PUSH BUTTON OPERATION DURING A CALL FIG. 1

Service button
When pressed, shorts terminal “SW “ to “SW “ (max 24Vdc 50mA).

Reject the call

During an incoming call, press this button to reject the call. The visitor doesn’t receive any warning of the call rejected.

Open the door

Press to activate the door open relay of the outdoor unit and end the connection.
The unit emits 5 “beeps“ and the“ “ LED will ash, then returns to stand-by mode.

Answer a call

Press to answer the call and start the conversation. The“ “ LED turns on.

ENG

66251490-EN - V1.0 - 31/10/16

2

6700 Series

Art.6778 - Installation instructions

Art.6778 7" hands free colour display videophone

PUSH BUTTON OPERATIONS DURING A CONVERSATION FIG. 1

Service button
When pressed, shorts terminal “SW “ to “SW “ (max 24Vdc 50mA).

Open the door

Press to activate the door open relay of the outdoor unit and end the connection after 10 seconds.
The unit emits 5 “beeps“ and the“ “ LED will ash, then returns to stand-by mode.

End conversation

Press to end a call.
The“ “ LED turns o.

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 (

LED will ash

rapidly), release the button to listen (

LED will ash slowly). If the button is not pressed

for 10 seconds the videomonitor will switch o. The videomonitor will revert to duplex
speech when another call is made.

LEDS FIG. 1

LED

Privacy on LED

It illuminates when the privacy service is enabled,
when pressing the service button or during pro­gramming mode.

LED

Generic use LED

It is controlled from the terminal “DOL”. Normally
used to signal the door status (open or closed).

LED

ON LED

It illuminates when the videophone is switched
ON or ashes quickly in “Push To Talk“ mode.

CONTROLS FIG. 1

VR1

Speech volume control

(sliding wheel).

SW1

Call tone volume switch

(3 levels).

PT1

Brightness control

(sliding wheel).

PT2

Hue adjustment trimmer

(rotate left to increase or right to decrease).

PT3

Contrast adjustment trimmer*

(rotate left to increase or right to decrease).

*Not available in some LCD versions.

PROGRAMMING

All programming options are available only when the system is in stand-by.

PRIVACY SERVICE DURATION

1. Press and keep pressed “

“ button for 10 seconds to enter privacy service duration programming mode: the “ “ LED turns on

and the unit emits a “beep“;

2. Press “ “ button as many times as required. Each press is equal to 15 minutes: the unit emits a “beep“ every time the button is

pressed. I.E.: press 4 times for 1 hour, 12 for 3 hours. Default: innite. Max value: 20 hours. To program innite privacy time don’t
press any buttons;

3. Wait for some seconds: the “ “ LED turns o and the unit emits a “beep“ that conrms the new setting is properly stored;

4. The unit returns to stand-by mode.

MELODY TYPE

1. Press and keep pressed “

“ button for 10 seconds to enter melody type programming mode: the unit plays the current melody

and then a “beep“;

2. After the “beep” press “ “ buttons to select the next melody: a new melody will play for some seconds then the unit emits a

“beep“. There are 9 melodies available. Note: press “ “ buttons only after the melody is over and the unit emits the “beep“;

3. When desired melody is playing, wait for some seconds: the unit completes the melody and emits a “beep”, then the unit emits a
double “beep“ that conrms the new setting is properly stored;

4. The unit returns to stand-by mode.

Note: To set the melody it is required that the videophone is connected in a system where the +20Vdc voltage from Art.893N1 is
always enabled.

NUMBERS OF RINGS

1. Press and keep pressed “

“ button for 10 seconds to enter numbers of rings programming mode: the “ “ LED turns on and the

unit emits a “beep“;

2. Press “ “ button as many rings as required: the unit emits a “beep“ every time the button is pressed. I.E.: press 3 times for 3 rings.
Default value: 6 rings. Max value: 9 rings;

3. Wait for some seconds: the “ “ LED turns o and the unit emits a “beep“ that conrms the new setting is properly stored;

4. The unit returns to stand-by mode.

66251490-EN - V1.0 - 31/10/16

3

6700 Series

Art.6778 - Installation instructions

Art.6778 7" hands free colour display videophone

VIDEO MODE SW2

The video mode setup is carried out by the 4 way Dip-Switch accessible from the rear side of the videophone.

Switches 3 and 4 adjust the video signal impedance. When using more than one videomonitor in parallel (without a video
splitter) put both switches in the OFF position on all but the last videomonitor (end of line).

VIDEO MODE

Switches 1,2 Mode

Coax

Balanced

75 OHM VIDEO TERMINATION

Switches 3,4 Termination

Enabled

Disabled

VIDEOMONITOR/INTERCOM ADDRESS, VIDEO MODE AND TERMINATION SETUP DSW1

Each intercom is addressed in binary (PHONE ID) using the 8 way dipswitches located on the rear of the unit. Each switch corre­sponds to one bit which can have a value 0 (OFF) or 1 (ON). Each bit corresponds to a decimal weight depending on the position:
Switch 1 = decimal 1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. I.E. to set the address 37, put switches 1, 3 and 6 on (1+4+32=37).

SWITCHES DECIMAL WEIGHT ADDRESS

8 7 6 5 4 3 2 1 128 64 32 16 8 4 2 1

OFF OFF OFF OFF OFF OFF OFF ON 0 0 0 0 0 0 0 1 1
OFF OFF OFF OFF OFF OFF ON OFF 0 0 0 0 0 0 1 0 2
OFF OFF OFF OFF OFF OFF ON ON 0 0 0 0 0 0 1 1 3
OFF OFF OFF OFF OFF ON OFF OFF 0 0 0 0 0 1 0 0 4

OFF OFF ON OFF OFF ON OFF ON 0 0 1 0 0 1 0 1 37

ON OFF ON ON OFF ON OFF OFF 1 0 1 1 0 1 0 0 180

ART.6778  SIGNALS

+VD

12Vdc output to supply coax video distributor Art.894N

+20 Video power supply 17÷20Vdc

V1 Balanced video signal V1 sync. (balanced video signal mode)

V/V2

Balanced video signal V2 sync. (balanced video signal mode)
Composite video signal (coax video signal mode)

GNDV Video power supply ground reference

L BUS line

– BUS line ground reference

LB Local bell input (active low)
AL Alarm input (active low)

DOL 12Vdc input to supply Aux LED

EXTC Call tone output for extension sounder (Art.512A)

SW Service button connection

Max 24 Vdc

50mA

SW Service button connection

12Vo +12Vdc stabilized output

12Vi Stand-by +12Vdc power supply input

– Power supply ground input / coax video ground

VM

Auxiliary input 300mA 12Vdc for video memory
(Art.6778/VM only).
Suggested PSU: Art.323/12 or Art.AMR2-12.

Note: for installations including more than 30 video phones
Art.6778 you must add one power supply Art.893N1every 30
video phones in order to power +20V.

TECHNICAL SPECIFICATION
Working Voltage: 17÷20Vdc

Power Consumption: Standby: 10mA

During a conversation: 250mA
Max: 400mA
Working Temperature: -10°C +50°C

66251490-EN - V1.0 - 31/10/16

4

6700 Series

Art.6778 - Installation instructions

USING RJ45 PLUG TO CONNECT THE VIDEOPHONE
EIA/TIA568B

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o
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br
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8
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BR
br

G
b
B
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O
o

EIA/TIA-568B

RJ-45 pin VX2200 Signal
1 and 2 (white-orange / orange) L
3 and 4 (white-green / blue) –
5 and 6 (white-blue / green) +
7 (white-brown) V1
8 (brown) V2

EIA/TIA568A

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2
3
4
5
6
7
8

g

G

o

B

b

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br
BR

8
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BR
br

O
b
B
o
G
g

EIA/TIA-568A

RJ-45 pin VX2200 Signal
1 and 2 (white-green / green) L
3 and 4 (white-orange / blue) –
5 and 6 (white-blue / orange) +
7 (white-brown) V1
8 (brown) V2

NOTE: DO NOT USE CROSS OVER CABLES.

IMPORTANT NOTE: SOLID COPPER CABLES MUST BE USED. COPPER COATED STEEL CCS AND COPPER COATED
ALUMINIUM CCA CAN NOT BE USED ON THE SYSTEM.

MEMORY BOARD

This device is also available in the version with memory board (Art.6778/VM).
If you have that version, please refer to the “6200, 6300, 6400 and 6700 Series Memory Board” user manual for
installation and use. The manual is available for download at the following link:

https://www.dropbox.com/s/492p16btyqhxmpu/66250782-EN.pdf?dl=0

Art.6778 7" hands free colour display videophone