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Central Battery System

Building Automation & Control

Security & Access Control

Communication & Information Systems

Management Systems


Central Battery System

The Central Battery (CB) System Is Defined As A System In Which The Whole Of The Energy Required For The Transmission And Signaling Is Drawn From The Exchange.

No Batteries Or Hand Generators Are Used At The Telephone End And The Calls Are Automatically Signaled, Using Lamps, On The Exchange Switchboard.

Supervisory Lamps Indicate To The Operator When Callers Have Cleared Down. This System Achieves Substantial Savings And Good Quality Transmission By Means Of The Central Power Source.

The Need For Local Power And Hand Generators Was Only Retained For Test Telephones, Large Pmbx’s, Certain Extension Plans And Some Private Circuits, Although Today None Of These Are Generally In Use.


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