The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 08, 1998

Filed:

May. 31, 1996
Applicant:
Inventor:

Jae-Peoung Kim, Incheon, KR;

Assignee:

Daewoo Telecom, Ltd., Incheon, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379-9 ; 379-1 ; 379 10 ; 379 15 ; 379 29 ; 370244 ; 370250 ;
Abstract

A novel system includes a first interfacing unit connected to a sending subscriber for converting analog subscriber information transmitted from the sending subscriber via a first subscriber line to digital subscriber information to provide it to a first transmission line; a second interfacing unit connected to its corresponding receiving subscriber for reconverting the digital subscriber information on the first transmission line to the original analog subscriber information to transmit the same to the corresponding receiving subscriber via a second subscriber line; a switching module coupled between the first and the second interfacing units for switching the digital subscriber information on the first transmission line to the second interfacing unit; and a testing unit connected to the switching module, if the remaining components within the system excepting the first and the second subscriber interfacing units are all normal, for testing the status of each of a set of subscriber components to provide information representing the status thereof wherein the set of subscriber components includes the first and the second subscriber interfacing units, and the first and the second subscriber lines.


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