Videx VX2200 Guia de Resolução de Problemas descarregar pdf (Página 41)

PAGE 41 of 60 VX2200 TECHNICAL MANUAL VER1.4

Connections

Terminal Signal Description

1 +20V

Video power supply input 17-20Vdc

2 +20V

Video power supply input 17-20Vdc

3 GND

Video power ground connection

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)

zz 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

19 LD

Auxiliary LED +12V input

20 GND

Ground

5478 PROGRAMMING

Setup is carried out using the push buttons on the front of the unit and the dip-switches located on the rear of

the unit. An eight way dip-switch bank is used to set the address of the apartment as shown in the

decimal/binary conversion chart in this manual. Additionally there is a 4 bank dip switch which is used to

select the video type (either coaxial or balanced video twisted pair).

4 WAY DIPSWITCH

1 2 3 4 Video Mode

ON ON OFF ON Coaxial video (V2 = V)

ON ON ON OFF Balance video

Switches 1 and 2 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).

Additional programming options include:-

Number of rings (Factory default = 6 rings)

• Press and hold (for approx 10 seconds) the “

” button until the LED next to the button illuminates

and the unit emits a beep.

• Press again the “

” button as many times as the number of rings needed (i.e. 6 times = 6 rings,

maximum 9 times).

• Once the value of rings has been reached, wait 5 seconds for a beep and the LED turning OFF.

• The new value is stored.

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 59 60

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Videx VX2200 Guia de Resolução de Problemas Página 41

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