ATIS Telecom Glossary
Wednesday, November 26, 2014

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common battery
A single electrical power source used to energize more than one circuit, component, equipment, or system. Note 1: A common battery is usually an electrolytic device and is usually centrally located to the equipment that it serves. Note 2: In many telecommunications applications, the common battery is at a nominal -48 Vdc. Note 3: A central office common battery supplies power to operate all directly connected instruments. Note 4: Common battery may include one or more power conversion devices to transform commercial power to direct current, with an electrolytic battery floating across the output.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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