DE3880665D1 - Vorrichtung zur anpassung zwischen einer verdrillten doppelleitung und einem koaxialkabel. - Google Patents

Vorrichtung zur anpassung zwischen einer verdrillten doppelleitung und einem koaxialkabel.

Info

Publication number
DE3880665D1
DE3880665D1 DE8888908595T DE3880665T DE3880665D1 DE 3880665 D1 DE3880665 D1 DE 3880665D1 DE 8888908595 T DE8888908595 T DE 8888908595T DE 3880665 T DE3880665 T DE 3880665T DE 3880665 D1 DE3880665 D1 DE 3880665D1
Authority
DE
Germany
Prior art keywords
adapting
coaxial cable
double line
twisted double
twisted
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
DE8888908595T
Other languages
English (en)
Other versions
DE3880665T2 (de
Inventor
Robert Curtis
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.)
Digital Equipment Corp
Original Assignee
Digital Equipment 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 Digital Equipment Corp filed Critical Digital Equipment Corp
Application granted granted Critical
Publication of DE3880665D1 publication Critical patent/DE3880665D1/de
Publication of DE3880665T2 publication Critical patent/DE3880665T2/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
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40169—Flexible bus arrangements
    • H04L12/40176—Flexible bus arrangements involving redundancy
    • H04L12/40182—Flexible bus arrangements involving redundancy by using a plurality of communication lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
  • Small-Scale Networks (AREA)
DE88908595T 1987-09-08 1988-09-07 Vorrichtung zur anpassung zwischen einer verdrillten doppelleitung und einem koaxialkabel. Expired - Fee Related DE3880665T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/093,974 US4875223A (en) 1987-09-08 1987-09-08 Twisted pair adapter

Publications (2)

Publication Number Publication Date
DE3880665D1 true DE3880665D1 (de) 1993-06-03
DE3880665T2 DE3880665T2 (de) 1993-11-18

Family

ID=22242014

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88908595T Expired - Fee Related DE3880665T2 (de) 1987-09-08 1988-09-07 Vorrichtung zur anpassung zwischen einer verdrillten doppelleitung und einem koaxialkabel.

Country Status (6)

Country Link
US (1) US4875223A (de)
EP (1) EP0333817B1 (de)
JP (1) JPH02500158A (de)
CA (1) CA1318953C (de)
DE (1) DE3880665T2 (de)
WO (1) WO1989002684A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3722415A1 (de) * 1987-07-07 1989-01-19 Bosch Gmbh Robert Einrichtung zur potentialfreien uebertragung von informationen
US5363068A (en) * 1993-06-28 1994-11-08 At&T Bell Laboratories Autotransformer capable of passing a DC signal as well as a balanced output signal
US5654984A (en) * 1993-12-03 1997-08-05 Silicon Systems, Inc. Signal modulation across capacitors
US6014409A (en) * 1997-02-05 2000-01-11 Cabletron Systems, Inc. Passive analog filter for network interface
US6115468A (en) * 1998-03-26 2000-09-05 Cisco Technology, Inc. Power feed for Ethernet telephones via Ethernet link
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
US6614236B1 (en) 1999-03-17 2003-09-02 Cisco Technology, Inc. Cable link integrity detector
US6804351B1 (en) 2000-11-09 2004-10-12 Cisco Technology, Inc. Method and apparatus for detecting a compatible phantom powered device using common mode signaling
US7447307B2 (en) * 2000-11-29 2008-11-04 Cisco Technology, Inc. Unpowered twisted pair loopback circuit for differential mode signaling
US20030027527A1 (en) * 2001-08-03 2003-02-06 Megapulse, Inc. Method of high-power switching and switch apparatus for frequency modulation within Loran-C signals
US7026730B1 (en) * 2002-12-20 2006-04-11 Cisco Technology, Inc. Integrated connector unit
US7366297B1 (en) 2003-05-21 2008-04-29 Cisco Technology, Inc. Method and system for converting alternating current to ethernet in-line power
US7061142B1 (en) 2003-05-28 2006-06-13 Cisco Technology, Inc. Inline power device detection
US7603570B2 (en) 2004-05-13 2009-10-13 Cisco Technology, Inc. Power delivery over ethernet cables
US7373528B2 (en) * 2004-11-24 2008-05-13 Cisco Technology, Inc. Increased power for power over Ethernet applications
US7509505B2 (en) * 2005-01-04 2009-03-24 Cisco Technology, Inc. Method and system for managing power delivery for power over Ethernet systems
US8243412B2 (en) * 2008-04-25 2012-08-14 Adtran, Inc. Surge protection systems and methods for outside plant ethernet
US8358492B2 (en) * 2008-04-25 2013-01-22 Adtran, Inc. Surge protection systems and methods for ethernet communication equipment in outside plant environments
WO2013020199A1 (en) 2011-08-08 2013-02-14 Novano Service over ethernet interconnectable wall plate (soeicwp) module

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428919A (en) * 1966-02-09 1969-02-18 Webb James E Signal multiplexer
US3812292A (en) * 1972-02-14 1974-05-21 Ncr Digital communication system
US3875332A (en) * 1973-12-27 1975-04-01 Nasa Digital transmitter for data bus communications system
US4153848A (en) * 1976-07-07 1979-05-08 Ohkura Electric Co. Ltd. Receiver circuit
DK143627C (da) * 1978-10-30 1982-02-15 Rovsing A S Koblingskreds til overfoering af datasignaler med stor hastighed
US4649548A (en) * 1981-03-11 1987-03-10 Crane Ronald C Local computer network transceiver
US4479228A (en) * 1981-03-11 1984-10-23 3Com Corporation Local computer network transceiver
US4395688A (en) * 1981-08-11 1983-07-26 Harris Corporation Linear phase filter with self-equalized group delay
JPS58172030A (ja) * 1982-04-01 1983-10-08 General Res Obu Erekutoronitsukusu:Kk 広帯域信号の分配装置
US4712210A (en) * 1984-09-07 1987-12-08 Lee Data Corporation Signal conversion circuit for interconnecting coaxial cable and a twisted pair
US4717896A (en) * 1985-03-21 1988-01-05 And Yet, Inc. Balun

Also Published As

Publication number Publication date
CA1318953C (en) 1993-06-08
EP0333817B1 (de) 1993-04-28
WO1989002684A1 (en) 1989-03-23
US4875223A (en) 1989-10-17
DE3880665T2 (de) 1993-11-18
JPH02500158A (ja) 1990-01-18
EP0333817A1 (de) 1989-09-27

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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