GB2342261B - Method and apparatus for testing the connection status of a communication link - Google Patents

Method and apparatus for testing the connection status of a communication link

Info

Publication number
GB2342261B
GB2342261B GB9919501A GB9919501A GB2342261B GB 2342261 B GB2342261 B GB 2342261B GB 9919501 A GB9919501 A GB 9919501A GB 9919501 A GB9919501 A GB 9919501A GB 2342261 B GB2342261 B GB 2342261B
Authority
GB
United Kingdom
Prior art keywords
testing
communication link
connection status
status
connection
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
GB9919501A
Other versions
GB2342261A (en
GB9919501D0 (en
Inventor
Steven R Cole
Marcel B Manzardo
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.)
Siemens Communications Inc
Original Assignee
Siemens Information and Communication Networks Inc
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 Siemens Information and Communication Networks Inc filed Critical Siemens Information and Communication Networks Inc
Publication of GB9919501D0 publication Critical patent/GB9919501D0/en
Publication of GB2342261A publication Critical patent/GB2342261A/en
Application granted granted Critical
Publication of GB2342261B publication Critical patent/GB2342261B/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
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements
    • 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)
  • Maintenance And Management Of Digital Transmission (AREA)
GB9919501A 1998-09-29 1999-08-19 Method and apparatus for testing the connection status of a communication link Expired - Fee Related GB2342261B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16291398A 1998-09-29 1998-09-29

Publications (3)

Publication Number Publication Date
GB9919501D0 GB9919501D0 (en) 1999-10-20
GB2342261A GB2342261A (en) 2000-04-05
GB2342261B true GB2342261B (en) 2003-07-09

Family

ID=22587647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9919501A Expired - Fee Related GB2342261B (en) 1998-09-29 1999-08-19 Method and apparatus for testing the connection status of a communication link

Country Status (2)

Country Link
DE (1) DE19946742C2 (en)
GB (1) GB2342261B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7415639B2 (en) 2002-08-21 2008-08-19 Koninklijke Philips Electronics N.V. Method of monitoring a data link

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244117A2 (en) * 1986-05-02 1987-11-04 Nortel Networks Corporation A method of duplex data transmission using a send-and-wait protocol
GB2252020A (en) * 1990-12-04 1992-07-22 Ibm Flow control in data communication systems.
EP0566139A1 (en) * 1992-04-17 1993-10-20 Sumitomo Electric Industries, Ltd. Communications system for communications between an electronic control apparatus and a test apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244117A2 (en) * 1986-05-02 1987-11-04 Nortel Networks Corporation A method of duplex data transmission using a send-and-wait protocol
GB2252020A (en) * 1990-12-04 1992-07-22 Ibm Flow control in data communication systems.
EP0566139A1 (en) * 1992-04-17 1993-10-20 Sumitomo Electric Industries, Ltd. Communications system for communications between an electronic control apparatus and a test apparatus

Also Published As

Publication number Publication date
GB2342261A (en) 2000-04-05
DE19946742C2 (en) 2003-08-14
GB9919501D0 (en) 1999-10-20
DE19946742A1 (en) 2000-04-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040819