Videx VANDAL RESISTANT Bedienerhandbuch PDF herunterladen (Seite 4)

PAGE 4 of 24 VR4K (4+1) SERIES TECHNICAL MANUAL VER1.1

AMPLIFIER (Art.136)

The amplifier is the most important part of the system and controls the operation of the

system including speech, door release call to apartment etc. It contains a microprocessor

which controls all of these features.

Amplifier module connections

Connection Function

1 Receive speech from apartment

2 Transmit speech to apartment

+ +12Vdc input

- 0V (Ground)

5 Switched 0V from phone to trigger door release relay

T Electronic call tone output to common side of call buttons

- 0V for use with push to exit input (PTE)

PTE Switched 0V input from push to exit button to trigger door release relay

C Common connection of dry contact relay

NC Normally closed connection of dry contact relay

NO Normally open connection of dry contact relay

D+ External link to door open (+12V side) LED.

D- External link to door open (0V side) LED.

BSY Busy signal for use with multiple door systems (Normally high, 12V. Low when busy 0V)

SL Switched 0V output to switch on video PSU. (0V throughout a call, open collector standby)

F1 Switched 0V output to switch on camera. (0V throughout a call, open collector in standby)

Amplifier Dip-Switches

The four way dip-switch bank has the following functions. Please note: dip-switches must

be set before power up. Any changes made when power is on will not take effect until a

power down reset.

Amplifier jumper

Jumper JP controls the reassurance tone volume level at the door panel.

1 2 3 4

Speech time

Switch 1 OFF 1 Minute

Switch 1 ON 2 Minutes

Relay time

Switch 2 OFF

Switch 3 OFF

2 Seconds

Switch 2 OFF

Switch 3 ON

4 Seconds

Switch 2 ON

Switch 3 OFF

8 Seconds

Switch 2 ON

Switch 3 ON

20 Seconds

Speech live

Switch 4 OFF Only

when

called

Switch 4 ON

(Only possible on

one door systems)

Speech

live

whenever

handset

lifted

Position H High volume reassurance tones

Position L Low Volume reassurance tones

No Jumper No reassurance tones

1 2 3 4 5 6 7 8 9 ... 23 24

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