04575839 is referenced by 14 patents and cites 8 patents.

A centralized supervisory system in an automatic switching system including at least one remote office with a first time-division switching system and a first supervisory unit, and a central office with a second time-division switching system and a second supervisory unit. The first time-division switching system and the second time-division switching system being connected by a time-division multichannel line. Supervisory data output from the first supervisory unit are allocated to one or more predetermined channels on the time-division multichannel line, so that the supervisory data output from the first supervisory unit are transferred through the time-division multichannel line to the second supervisory unit and are centrally supervised therein.

Title
Centralized supervisory system
Application Number
6/462111
Publication Number
4575839
Application Date
January 28, 1983
Publication Date
March 11, 1986
Inventor
Hidemi Harada
Oyama
JP
Kenzou Aoki
Kawasaki
JP
Yoshiaki Matsuura
Kawasaki
JP
Yasushi Nagahama
Yokohama
JP
Yusuke Ogata
Yokohama
JP
Agent
Staas & Halsey
Assignee
Fujitsu
JP
IPC
H04M 3/22
H04Q 11/04
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