JPS59161163A - 遠隔自動監視装置 - Google Patents

遠隔自動監視装置

Info

Publication number
JPS59161163A
JPS59161163A JP3558883A JP3558883A JPS59161163A JP S59161163 A JPS59161163 A JP S59161163A JP 3558883 A JP3558883 A JP 3558883A JP 3558883 A JP3558883 A JP 3558883A JP S59161163 A JPS59161163 A JP S59161163A
Authority
JP
Japan
Prior art keywords
circuit
highway
subscriber
line
time slot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP3558883A
Other languages
English (en)
Japanese (ja)
Other versions
JPH021463B2 (OSRAM
Inventor
Toshiaki Doi
土井　利昭
Shoichi Inoue
正一 井上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP3558883A priority Critical patent/JPS59161163A/ja
Publication of JPS59161163A publication Critical patent/JPS59161163A/ja
Publication of JPH021463B2 publication Critical patent/JPH021463B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
    • H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP3558883A 1983-03-04 1983-03-04 遠隔自動監視装置 Granted JPS59161163A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3558883A JPS59161163A (ja) 1983-03-04 1983-03-04 遠隔自動監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3558883A JPS59161163A (ja) 1983-03-04 1983-03-04 遠隔自動監視装置

Publications (2)

Publication Number Publication Date
JPS59161163A true JPS59161163A (ja) 1984-09-11
JPH021463B2 JPH021463B2 (OSRAM) 1990-01-11

Family

ID=12445940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3558883A Granted JPS59161163A (ja) 1983-03-04 1983-03-04 遠隔自動監視装置

Country Status (1)

Country Link
JP (1) JPS59161163A (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447159A (en) * 1987-08-18 1989-02-21 Fujitsu Ltd Terminal control system
JPH0319557A (ja) * 1989-06-16 1991-01-28 Nec Corp Ｐｃｍ回線引込監視方式
JPH0364155A (ja) * 1989-08-01 1991-03-19 Nec Corp 共通線信号監視方式

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447159A (en) * 1987-08-18 1989-02-21 Fujitsu Ltd Terminal control system
JPH0319557A (ja) * 1989-06-16 1991-01-28 Nec Corp Ｐｃｍ回線引込監視方式
JPH0364155A (ja) * 1989-08-01 1991-03-19 Nec Corp 共通線信号監視方式

Also Published As

Publication number Publication date
JPH021463B2 (OSRAM) 1990-01-11

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