ISDN power source detection circuit

In an ISDN communications system, a remote station power detector circuit comprises a capacitor connected between center taps of transformers on the receive and transmit pairs of conductors. The capacitor stores energy delivered from a central DC power source. Two serially-connected opto-couplers fo...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SYLIVANT, JAMES W, SHANNON, JR., LARRY S, NGUYEN, THANH T, GEE, TIMOTHY W, BENTLEY, ALAN M, LUECHTEFELD, RAY A, NELSON, RANDALL S
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY SELECTING TELEPHONIC COMMUNICATION
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