Subscriber system testing method

Details Subscriber system testing method Subscriber system testing method

1994-01-31

1995-11-28

Chin, Stephen

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

H04M 124

Patent

active

054715172

ABSTRACT:
In a subscriber line transmission system, subscriber circuits of a remote terminal servicing a plurality of subscribers and subscriber circuits of a central office terminal connected to a switching system are connected by multiplexed transmission lines. In this case, an arrangement is provided so that the test of the subscriber line by a subscriber line tester provided in the remote terminal and the test of the subscriber circuits by a measuring device provided in the remote terminal or central office terminal can be performed simultaneously by means of operations from a control terminal provided in the central office terminal.

REFERENCES:
patent: 4270030 (1981-05-01), Brolin et al.
patent: 4424421 (1984-01-01), Townsend et al.
patent: 4581493 (1986-04-01), Gazzo et al.
patent: 5043931 (1991-08-01), Kowach et al.
patent: 5111497 (1992-05-01), Blivem et al.

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