05471517 is referenced by 12 patents and cites 8 patents.

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.

Title
Subscriber system testing method
Application Number
8/189059
Publication Number
5471517
Application Date
January 31, 1994
Publication Date
November 28, 1995
Inventor
Shuuichi Nakagawa
Kawasaki
JP
Assignee
Fujitsu
JP
IPC
H04M 1/24
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