PD-098 Issue 4B
January 2015
Bell System (Telephones) Ltd.
bell
issimo
Video Door Entry System
2-72 Way
Installation & Operation Manual
This manual applies to the following:
–
BSD8/72 2 to 72 Way Door Controller
–
Version 2 Build 6 onward
BSC4 Video Controller
–
Version 2 Build 4 onward
BS Colour Videophone
–
Version 3
BSA Audio Phone
–
Version 1