Bell System bellview - Default Chapter; Table of Contents

TABLE OF CONTENTS
General Description ................................................1
Video Telephones (model BV) ................................................ 1
Entrance Panel (BVP series) ................................................. 1
System Features ........................................................... 1
System Operation ..................................................3
General .................................................................. 3
Privacy mode (buzzer mute) .................................................. 3
Multi-door operation ........................................................ 3
Monitor Mode ............................................................. 3
Equipment Required ...............................................4
Control Cabinet / Power Supply ............................................... 4
Cabinet Components ....................................................... 4
Telephones ............................................................... 5
Entrance Panel ............................................................ 5
Time Clock Module (optional) ................................................. 5
System Design Considerations .......................................6
Cable requirements ........................................................ 6
Multiple video telephones in one flat ........................................... 6
Multi-way systems .......................................................... 6
Electric Door Release ....................................................... 7
Trades Button (optional) ..................................................... 7
Exit Button (optional) ....................................................... 7
Fire Switch (optional) ....................................................... 7
Door Monitor Switch (optional) ................................................ 7
Installation ........................................................8
Important Safety Information ................................................. 9
General ................................................................. 10
Model 440 and 540 Power Supplies ........................................... 10
PSU138A, PSU138B Power Supplies ......................................... 11
Entrance Panel ........................................................... 11
Electric Door Release ...................................................... 11
Video Telephones ......................................................... 12
Commissioning ...................................................13
Video Telephone settings ................................................... 13
Picture Adjustment .................................................. 13
Buzzer mute time ................................................... 13
Call Active time .................................................... 13
Auto - Display option ................................................ 13
Video Privacy option ................................................ 13
Disabling the CAMERA and VIEW buttons ............................... 13
DIP switch settings .................................................. 14
Diagram 1 : Video Phone Adjustments ........................................ 15
Lock Release Adjustment ................................................... 16
540 Power Supply .................................................. 16
LT88 Lock Timer PCB (supplied in a cabinet) ............................ 16
Adjustments on 2 door systems ( 819S Switching Unit) ........................... 16
Lock Release Time ................................................. 16
Call / Active Time ................................................... 16
Speech Adjustments ....................................................... 16
819S DIP Switch Settings ................................................... 17