Videx VX2200 Troubleshooting Guide download pdf (Page 43)

PAGE 43 of 60 VX2200 TECHNICAL MANUAL VER1.4

Video monitor (VR5178, VR5478)

Description

The 5178 is an audio apartment station available in white, silver or carbon fibre ABS plastic and is a surface

mount unit which connects to the VX2200 bus via a 4 wire bus. The apartment station has half duplex

speech (Handsfree speech) and the facility to switch into simplex speech mode by holding the talk/answer

button down. The apartment station includes the following buttons.

PUSH BUTTONS, LED’S AND CONTROLS

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.

Switch off button - With the system switched on (Call in progress), momentary operation of the button will switch the

apartment station off. The apartment station will also automatically switch off after a time delay if the button is not pressed.

The LED next to the button will go off.

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

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

button to listen (The LED will flash slowly). If the button is not pressed for 10 seconds the apartment station will switch off.

The apartment station will revert to duplex speech when another call is made.

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

enabled..

During a call, this button acts as a menu button to enter programming mode.

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 open” relay (NO1, NC1, COM1).

Connections

Description Signal

NOT USED T

+12V output to power 894 video splitter +VD

+15-20dc input to power video monitor +20

Balanced video signal 1 V1

Balanced video signal 2 V2

Video ground -

+12V output (Max 100mA) +Vo

NOT USED 2

NOT USED 4

+12V input +VI

Bus 0V -

Bus line L1

Local door bell input (Active low) LB

Alarm input (Active low) AL5

Service button output (Open collector) Triggered by holding for more than 3 seconds

Door monitoring LED input (+12Vdc to trigger) DL

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Videx VX2200 Troubleshooting Guide Page 43