bn:03140422n
Noun Concept
Categories: Telephony stubs, Telephony
EN
common battery
EN
In telecommunication, a common battery is a single electrical power source used to energize more than one circuit, electronic component, equipment, or system. Wikipedia
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EN
In telecommunication, a common battery is a single electrical power source used to energize more than one circuit, electronic component, equipment, or system. Wikipedia
The technical implementation, the speech circuit power supply (microphone power supply) of the stations (telephones) Wikidata
Wikipedia
Wikidata