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GB2243056B - Repeater supervision - Google Patents

Repeater supervision

Info

Publication number
GB2243056B
GB2243056B GB9008219A GB9008219A GB2243056B GB 2243056 B GB2243056 B GB 2243056B GB 9008219 A GB9008219 A GB 9008219A GB 9008219 A GB9008219 A GB 9008219A GB 2243056 B GB2243056 B GB 2243056B
Authority
GB
United Kingdom
Prior art keywords
repeater
supervision
repeater supervision
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 - Fee Related
Application number
GB9008219A
Other versions
GB9008219D0 (en
GB2243056A (en
Inventor
Robert Joseph Cole
Christopher Donald Stark
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.)
Nortel Networks Ltd
STC PLC
Alcatel Submarine Networks UK Ltd
Nortel Networks Optical Components Ltd
Original Assignee
Northern Telecom Ltd
STC PLC
Northern Telecom Europe Ltd
STC Submarine Systems Ltd
STC 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 Northern Telecom Ltd, STC PLC, Northern Telecom Europe Ltd, STC Submarine Systems Ltd, STC Ltd filed Critical Northern Telecom Ltd
Priority to GB9008219A priority Critical patent/GB2243056B/en
Publication of GB9008219D0 publication Critical patent/GB9008219D0/en
Priority to FR9104369A priority patent/FR2661058B1/en
Priority to JP3106717A priority patent/JPH04227358A/en
Publication of GB2243056A publication Critical patent/GB2243056A/en
Priority to US07/927,380 priority patent/US5271035A/en
Application granted granted Critical
Publication of GB2243056B publication Critical patent/GB2243056B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L1/245—Testing correct operation by using the properties of transmission codes
    • H04L1/246—Testing correct operation by using the properties of transmission codes two-level transmission codes, e.g. binary
    • 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
    • H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)
  • Detection And Correction Of Errors (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
GB9008219A 1990-04-11 1990-04-11 Repeater supervision Expired - Fee Related GB2243056B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9008219A GB2243056B (en) 1990-04-11 1990-04-11 Repeater supervision
FR9104369A FR2661058B1 (en) 1990-04-11 1991-04-10 SIGNALING ASSEMBLY AND METHOD FOR MONITORING TELECOMMUNICATION REPEATERS.
JP3106717A JPH04227358A (en) 1990-04-11 1991-04-11 Repeater monitor
US07/927,380 US5271035A (en) 1990-04-11 1992-08-10 Repeater supervision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9008219A GB2243056B (en) 1990-04-11 1990-04-11 Repeater supervision

Publications (3)

Publication Number Publication Date
GB9008219D0 GB9008219D0 (en) 1990-06-13
GB2243056A GB2243056A (en) 1991-10-16
GB2243056B true GB2243056B (en) 1994-03-30

Family

ID=10674282

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9008219A Expired - Fee Related GB2243056B (en) 1990-04-11 1990-04-11 Repeater supervision

Country Status (3)

Country Link
JP (1) JPH04227358A (en)
FR (1) FR2661058B1 (en)
GB (1) GB2243056B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2047251C (en) * 1990-07-18 1995-07-18 Daisuke Ishii Radio communication apparatus which can be tested by radio and optical test signals
JPH07177130A (en) * 1993-12-21 1995-07-14 Fujitsu Ltd Error count circuit
US7043160B1 (en) 2000-08-28 2006-05-09 Nortel Networks Limited Method, system and signal for carrying overhead information in a transport network employing photonic switching nodes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039447A (en) * 1979-01-09 1980-08-06 Telecommunications Sa Low-frequency supplementary information transmitting arrangement for a digital data transmission system
GB2116403A (en) * 1982-03-01 1983-09-21 British Broadcasting Corp Improvements relating to digital data transmission
GB2183973A (en) * 1985-10-18 1987-06-10 Kokusai Denshin Denwa Co Ltd Monitoring control system for digital transmission line

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065915A (en) * 1973-06-11 1978-01-03 Farnbach John S Binary counting system
GB2016245A (en) * 1978-02-20 1979-09-19 Smiths Industries Ltd Decoding arrangements for digital data
DE3047239C2 (en) * 1980-12-16 1982-12-30 Wandel & Goltermann Gmbh & Co, 7412 Eningen Method and circuit arrangement for measuring the quality of digital transmission links and devices
JPS60124153U (en) * 1984-01-31 1985-08-21 パイオニア株式会社 Data signal reading device
US4897860A (en) * 1988-03-02 1990-01-30 Dallas Semiconductor Corporation Programmable time base circuit with protected internal calibration

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039447A (en) * 1979-01-09 1980-08-06 Telecommunications Sa Low-frequency supplementary information transmitting arrangement for a digital data transmission system
GB2116403A (en) * 1982-03-01 1983-09-21 British Broadcasting Corp Improvements relating to digital data transmission
GB2183973A (en) * 1985-10-18 1987-06-10 Kokusai Denshin Denwa Co Ltd Monitoring control system for digital transmission line

Also Published As

Publication number Publication date
JPH04227358A (en) 1992-08-17
FR2661058B1 (en) 1993-04-23
GB9008219D0 (en) 1990-06-13
GB2243056A (en) 1991-10-16
FR2661058A1 (en) 1991-10-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020411