JPS61139134A - ディジタル多重化装置のモニタリング方式 - Google Patents

ディジタル多重化装置のモニタリング方式

Info

Publication number
JPS61139134A
JPS61139134A JP59260532A JP26053284A JPS61139134A JP S61139134 A JPS61139134 A JP S61139134A JP 59260532 A JP59260532 A JP 59260532A JP 26053284 A JP26053284 A JP 26053284A JP S61139134 A JPS61139134 A JP S61139134A
Authority
JP
Japan
Prior art keywords
monitoring
multiplexing
circuit
low
current
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
JP59260532A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0330336B2 (enExample
Inventor
Kazushige Kuritani
栗谷　和茂
Tatsuhiko Nakagawa
中川　達彦
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP59260532A priority Critical patent/JPS61139134A/ja
Priority to EP85115650A priority patent/EP0184807B1/en
Priority to DE8585115650T priority patent/DE3585595D1/de
Priority to AU51050/85A priority patent/AU575452B2/en
Priority to US06/807,082 priority patent/US4712209A/en
Publication of JPS61139134A publication Critical patent/JPS61139134A/ja
Publication of JPH0330336B2 publication Critical patent/JPH0330336B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
JP59260532A 1984-12-10 1984-12-10 ディジタル多重化装置のモニタリング方式 Granted JPS61139134A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP59260532A JPS61139134A (ja) 1984-12-10 1984-12-10 ディジタル多重化装置のモニタリング方式
EP85115650A EP0184807B1 (en) 1984-12-10 1985-12-09 Monitoring apparatus capable of monitoring a digital equipment by the use of a synchronization signal
DE8585115650T DE3585595D1 (de) 1984-12-10 1985-12-09 Ueberwachungsgeraet zur ueberwachung einer digitalen anlage mittels eines synchronisationssignals.
AU51050/85A AU575452B2 (en) 1984-12-10 1985-12-10 Monitoring apparatus for digital systems
US06/807,082 US4712209A (en) 1984-12-10 1985-12-10 Monitoring apparatus capable of monitoring a digital equipment by the use of a synchronization signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59260532A JPS61139134A (ja) 1984-12-10 1984-12-10 ディジタル多重化装置のモニタリング方式

Publications (2)

Publication Number Publication Date
JPS61139134A true JPS61139134A (ja) 1986-06-26
JPH0330336B2 JPH0330336B2 (enExample) 1991-04-30

Family

ID=17349272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59260532A Granted JPS61139134A (ja) 1984-12-10 1984-12-10 ディジタル多重化装置のモニタリング方式

Country Status (5)

Country Link
US (1) US4712209A (enExample)
EP (1) EP0184807B1 (enExample)
JP (1) JPS61139134A (enExample)
AU (1) AU575452B2 (enExample)
DE (1) DE3585595D1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63253740A (ja) * 1987-04-10 1988-10-20 Hitachi Ltd 多重変換装置の監視システム
US5187704A (en) * 1988-03-31 1993-02-16 Nec Corporation Monitoring method for stand-by circuits suitable for a multiplexing/demultiplexing apparatus
US4964112A (en) * 1988-06-01 1990-10-16 Siemens Aktiengesellschaft Method for monitoring the quality of a digital signal in sections of a data transmission circuit
US5319631A (en) * 1988-09-22 1994-06-07 Siemens Aktiengesellschaft Method for measuring in the subscriber area of an integrated services digital network system
US4916694A (en) * 1988-12-22 1990-04-10 Amp Incorporated Packet network timing analyzer
US4949355A (en) * 1989-01-23 1990-08-14 Rockwell International Corporation Test access system for a digital loop carrier system
JPH036156A (ja) * 1989-06-01 1991-01-11 Mitsubishi Electric Corp データ伝送路障害検知回路
JP2918007B2 (ja) * 1992-03-05 1999-07-12 日本電気株式会社 並列型時間スイッチ
GB2294613B (en) * 1994-10-26 1998-12-23 Northern Telecom Ltd Tributary protection system
US6904019B2 (en) * 2001-04-13 2005-06-07 Agilent Technologies, Inc. Identifying a pattern in a data stream
JP4400549B2 (ja) 2005-02-04 2010-01-20 セイコーエプソン株式会社 組み合わせ眼鏡レンズ及び組み合わせ眼鏡レンズの玉型加工方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808639A1 (de) * 1977-09-30 1979-09-06 Siemens Ag Schaltungsanordnung zur aufnahme und abgabe von zeichen, insbesondere fernschreibzeichen, mit unterschiedlichen uebertragungsgeschwindigkeiten bzw. frequenzen
IT1159938B (it) * 1978-10-18 1987-03-04 Sits Soc It Telecom Siemens Memoria elastica per demultiplatore sincrono di particolare applicazione nei sistemi di trasmissione a divisione di tempo
US4376998A (en) * 1980-06-03 1983-03-15 Rockwell International Corporation Muldem with monitor comparing means which accepts different data rates
US4347600A (en) * 1980-06-03 1982-08-31 Rockwell International Corporation Monitored muldem with self test of the monitor
DD204374A1 (de) * 1982-03-19 1983-11-23 Gottfried Grosse Verfahren zur ueberwachung von datenmultiplex-uebertragungssystemen
JPS58184853A (ja) * 1982-04-22 1983-10-28 Nec Corp フレ−ム同期信号插入方式
SE430740B (sv) * 1982-04-26 1983-12-05 Ellemtel Utvecklings Ab Anordning for synkronisering av overforing av information pa en enkelriktad buss
AU2671584A (en) * 1983-04-18 1984-10-25 Nickols, A.H.F. Multiplex communications testing
JPS60240230A (ja) * 1984-05-15 1985-11-29 Nec Corp 受信デ−タ処理装置
US4601028A (en) * 1984-06-18 1986-07-15 Rockwell International Corporation Method of and apparatus for checking datapath failure in a communication muldem

Also Published As

Publication number Publication date
AU5105085A (en) 1986-06-19
JPH0330336B2 (enExample) 1991-04-30
AU575452B2 (en) 1988-07-28
EP0184807A2 (en) 1986-06-18
EP0184807B1 (en) 1992-03-11
US4712209A (en) 1987-12-08
EP0184807A3 (en) 1987-10-14
DE3585595D1 (de) 1992-04-16

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