JPH0557789B2 - - Google Patents

Info

Publication number
JPH0557789B2
JPH0557789B2 JP58040455A JP4045583A JPH0557789B2 JP H0557789 B2 JPH0557789 B2 JP H0557789B2 JP 58040455 A JP58040455 A JP 58040455A JP 4045583 A JP4045583 A JP 4045583A JP H0557789 B2 JPH0557789 B2 JP H0557789B2
Authority
JP
Japan
Prior art keywords
code
pulse
waveform
signal
error
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.)
Expired - Lifetime
Application number
JP58040455A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59167161A (ja
Inventor
Yoshitaka Takasaki
Kiichi Yamashita
Yasushi Takahashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP58040455A priority Critical patent/JPS59167161A/ja
Priority to CA000446911A priority patent/CA1205561A/en
Priority to EP84101290A priority patent/EP0118763B1/en
Priority to DE8484101290T priority patent/DE3482230D1/de
Priority to US06/578,791 priority patent/US4604745A/en
Publication of JPS59167161A publication Critical patent/JPS59167161A/ja
Publication of JPH0557789B2 publication Critical patent/JPH0557789B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Locating Faults (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP58040455A 1983-03-11 1983-03-11 デイジタル伝送路の障害位置探索方式 Granted JPS59167161A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58040455A JPS59167161A (ja) 1983-03-11 1983-03-11 デイジタル伝送路の障害位置探索方式
CA000446911A CA1205561A (en) 1983-03-11 1984-02-07 Method of searching fault locations in digital transmission line
EP84101290A EP0118763B1 (en) 1983-03-11 1984-02-08 Method of searching fault locations in digital transmission line
DE8484101290T DE3482230D1 (de) 1983-03-11 1984-02-08 Verfahren zur fehlerortung in einer digitalen uebertragungsleitung.
US06/578,791 US4604745A (en) 1983-03-11 1984-02-10 Method of searching fault locations in digital transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58040455A JPS59167161A (ja) 1983-03-11 1983-03-11 デイジタル伝送路の障害位置探索方式

Publications (2)

Publication Number Publication Date
JPS59167161A JPS59167161A (ja) 1984-09-20
JPH0557789B2 true JPH0557789B2 (enrdf_load_stackoverflow) 1993-08-24

Family

ID=12581111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58040455A Granted JPS59167161A (ja) 1983-03-11 1983-03-11 デイジタル伝送路の障害位置探索方式

Country Status (1)

Country Link
JP (1) JPS59167161A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0616634B2 (ja) * 1984-11-15 1994-03-02 日本電気株式会社 中継伝送路監視方式
JP3382769B2 (ja) * 1996-02-15 2003-03-04 日本電気株式会社 性能監視機能付き伝送装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51136204A (en) * 1975-05-21 1976-11-25 Fujitsu Ltd Light pcm group transmission relay monitoring

Also Published As

Publication number Publication date
JPS59167161A (ja) 1984-09-20

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