H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/1
H04Q 1/20 (2006.01) H04M 3/30 (2006.01)
Patent
CA 1211190
AN ARRANGEMENT FOR SINGLE LINE TESTING ABSTRACT OF THE DISCLOSURE An arrangement for testing a single sub- scriber line, which is operationally connected to an electromechanical switching system is shown. Operational service is to be transferred from the electromechanical switching system to a digital switch- ing system. The arrangement provides for isolating subscribers which share common line equipment, for verifying the subscriber's line and its ringing char- acteristics.
441188
Daniels William R.
Young John S.
Gte Automatic Electric Incorporated
R. William Wray & Associates
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