Videx VX2200 Guía para resolver problemas descargar pdf (Pagina 18)

PAGE 18 of 60 VX2200 TECHNICAL MANUAL VER1.4

CONTROL EQUIPEMENT

4 WAY ISOLATION PCB (2204)

The 4 way isolation board is designed to fully isolate the “2 wire” BUS system against possible malfunction

or damage of an individual flat. Each isolation PCB will accommodate up to 4 devices and is addressed by

means of a 6 way Dip-switch.

Use 2204 version with 900 series and 2204-1 with 3000 series.

4 WAY ISOLATION PCB (2204N)

The 2204N has all the features of the 2204 and will protect against shorts or faults on any connection to an

apartment. Also includes plug in connections for easy maintenance, additional isolated terminals for +12V,

door open LED and S1 button. The 2204N can also be connected as a bus in a prewired cabinet and is

addressed using a 6 way dip-switch bank. For video systems there is an additional video isolation card (316I

for non-coax or 894I for coax) which piggy backs this one and includes all the additional connections for

video. There are 10 LED’s on each card which can be used to identify when a channel is in use (Green

channel LED on) and to indicate a variety of faulty such as short on +12V out, short on bus and S1

permanently active.

1 = PCB

2 = 6 way address dip-switches

3 = 2 wire main bus

4 = 4 isolated telephone outputs

1 = Output 1

2 = Output 2

3 = Output 3

4 = Output 4

5 = Main bus input

6 = Main bus output

7 = Bus fault on output red LED (One

LED for each output)

8 = Bus active green LED (One LED

for each output)

9 = S1 spare button active yellow

LED (One LED for all outputs)

10 = +12V output fault red LED (One

LED for all outputs (Each output

still individually protected

though)

11 = Di

-switches for address

Connection

Function

Bus connection

12V

+12Vdc

Door open LED

Spare service button on telephone

(Switched 0V)

LED

Function

Bus fault output 1

Bus fault output 2

D14

Bus fault output 3

D19

Bus fault output 1

Output 1 active

Output 2 active

Output 3 active

Output 4 active

D21

S1 service switch active

12V out fault on one of the out

uts

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 59 60

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Videx VX2200 Guía para resolver problemas Pagina 18

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