DE69025063T2 - LAN-messgerät - Google Patents

LAN-messgerät

Info

Publication number
DE69025063T2
DE69025063T2 DE69025063T DE69025063T DE69025063T2 DE 69025063 T2 DE69025063 T2 DE 69025063T2 DE 69025063 T DE69025063 T DE 69025063T DE 69025063 T DE69025063 T DE 69025063T DE 69025063 T2 DE69025063 T2 DE 69025063T2
Authority
DE
Germany
Prior art keywords
measuring device
lan
lan measuring
measuring
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
DE69025063T
Other languages
English (en)
Other versions
DE69025063D1 (de
Inventor
Anson Colin Stephen I
Peter Phaal
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69025063D1 publication Critical patent/DE69025063D1/de
Application granted granted Critical
Publication of DE69025063T2 publication Critical patent/DE69025063T2/de
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
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/24—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using dedicated network management hardware
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
DE69025063T 1990-12-07 1990-12-07 LAN-messgerät Expired - Fee Related DE69025063T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90313319A EP0489989B1 (de) 1990-12-07 1990-12-07 LAN-messgerät

Publications (2)

Publication Number Publication Date
DE69025063D1 DE69025063D1 (de) 1996-03-07
DE69025063T2 true DE69025063T2 (de) 1996-05-30

Family

ID=8205638

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69025063T Expired - Fee Related DE69025063T2 (de) 1990-12-07 1990-12-07 LAN-messgerät

Country Status (4)

Country Link
US (1) US5389882A (de)
EP (1) EP0489989B1 (de)
DE (1) DE69025063T2 (de)
WO (1) WO1992010895A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5504736A (en) * 1992-05-11 1996-04-02 At&T Corp. Non-invasive link monitor
DE4238875C2 (de) * 1992-11-19 1996-08-01 Micrologica Computersysteme Gm Aufzeichnungsgerät für Datenleitungen
US5677633A (en) * 1995-09-15 1997-10-14 Datacom Technologies, Inc. Cable test instrument having interchangeable performance modules
DE69941322D1 (de) * 1998-02-05 2009-10-08 Nxp Bv Verbindungstestverfahren
WO1999053627A1 (en) * 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network
JP2011515702A (ja) * 2008-03-26 2011-05-19 エンフェイズ エナジー インコーポレイテッド 交流電圧の測定方法および装置
US9363469B2 (en) * 2008-07-17 2016-06-07 Ppc Broadband, Inc. Passive-active terminal adapter and method having automatic return loss control
US9647851B2 (en) 2008-10-13 2017-05-09 Ppc Broadband, Inc. Ingress noise inhibiting network interface device and method for cable television networks
US8385219B2 (en) * 2009-10-09 2013-02-26 John Mezzalingua Associates, Inc. Upstream bandwidth level measurement device
US8510782B2 (en) * 2008-10-21 2013-08-13 Ppc Broadband, Inc. CATV entry adapter and method for preventing interference with eMTA equipment from MoCA Signals
US11910052B2 (en) 2008-10-21 2024-02-20 Ppc Broadband, Inc. Entry device for communicating external network signals and in-home network signals
US8479247B2 (en) 2010-04-14 2013-07-02 Ppc Broadband, Inc. Upstream bandwidth conditioning device
US8561125B2 (en) 2010-08-30 2013-10-15 Ppc Broadband, Inc. Home network frequency conditioning device and method
CA2831220C (en) 2010-12-21 2022-05-31 Ppc Broadband, Inc. Method and apparatus for reducing isolation in a home network

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390990A (en) * 1980-09-08 1983-06-28 Hewlett-Packard Company Method for multiple signal collision detection on a transmission line
US4799211A (en) * 1987-07-23 1989-01-17 Digital Equipment Corporation Apparatus and method for storing performance parameters of local area network system members
JP2805151B2 (ja) * 1989-02-15 1998-09-30 古河電気工業株式会社 故障診断装置
US5198805A (en) * 1990-09-04 1993-03-30 Hewlett-Packard Company Method and apparatus for monitoring a network and locating a node using signal strength calculations
US5179341A (en) * 1991-06-28 1993-01-12 Hewlett-Packard Company System and method for detecting an improper termination and a short circuit in a network
US5185735A (en) * 1991-07-10 1993-02-09 Hewlett Packard Company Lan noise monitor
CA2056679C (en) * 1991-11-29 2002-02-12 Timothy Joseph Nohara Automatic monitoring of digital communication channel conditions using eye patterns
US5331628A (en) * 1993-03-25 1994-07-19 At&T Bell Laboratories Path testing and/or monitoring within a multiple node telecommunication system

Also Published As

Publication number Publication date
EP0489989A1 (de) 1992-06-17
EP0489989B1 (de) 1996-01-24
WO1992010895A1 (en) 1992-06-25
DE69025063D1 (de) 1996-03-07
US5389882A (en) 1995-02-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee