JP5676514B2 - 通信ネットワークにおけるエイリアン・クロストークを低減するためのシステム - Google Patents
通信ネットワークにおけるエイリアン・クロストークを低減するためのシステム Download PDFInfo
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- JP5676514B2 JP5676514B2 JP2012088336A JP2012088336A JP5676514B2 JP 5676514 B2 JP5676514 B2 JP 5676514B2 JP 2012088336 A JP2012088336 A JP 2012088336A JP 2012088336 A JP2012088336 A JP 2012088336A JP 5676514 B2 JP5676514 B2 JP 5676514B2
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- Prior art keywords
- patch cord
- communication
- cable
- communication cable
- attenuation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/04—Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/32—Reducing cross-talk, e.g. by compensating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Communication Cables (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
本発明の別の実施形態によれば、通信ケーブル間のエイリアン・クロストークは、通信ケーブルに接続した減衰用パッチケーブルを使用するという方法によって減少する。
図7aおよび図7bは、クロストーク・ペア間の物理的距離を大きくすることにより、ケーブルの感受性を減少させる技法を示している。第1と第2のケーブル46および48は、接触関係で配置されている。ケーブル・ジャケット材料50の例えば厚さを図7bに示したジャケット52のように増すと、クロストーク・ペア間の距離は図7aに示すd1から図7bに示すd2の大きくなる。1実施形態によれば、このケーブル・ジャケット材料50は、発泡ジャケット材料である。また、ケーブル・セパレータを使用することによって、隣り合うケーブル間の分離を増すことができる。
図11には、別の実施形態を示しており、これは、導電性スプライン64または導電性ペア・セパレータの使用を示しており、これらは、感受性を減少させるのに使用される。
2.それら4つのケーブル・レイのうちの任意のものを、ケーブル・レイ・プロセスの間において非復元で選択する。
4.残りの3つあるいはこれより多いケーブル・レイのうちの任意のものを選択し、ステップ3で説明したようにケーブル構成に適用する。
図12には、ケーブル長の図を示しており、これでは、ケーブル・レイ遷移間にランダムな距離を用い、また4つの異なったケーブル・レイを使用している。
Claims (7)
- 通信ネットワークにおけるエイリアン・クロストークを低減するためのシステムであって、
第1の強化パッチコードを介して第1のネットワーク・デバイスに接続された第1の通信ケーブルであって、該第1強化パッチコードが、前記第1通信ケーブルの減衰よりも大きな第1パッチコード減衰を有する第1減衰用パッチコードである、前記の第1の通信ケーブルと、
第2の強化パッチコードを介して第2のネットワーク・デバイスに接続された第2の通信ケーブルであって、該第2強化パッチコードが、前記第2通信ケーブルの減衰よりも大きな第2パッチコード減衰を有する第2減衰用パッチコードである、前記の第2の通信ケーブルと、
を備え、
前記第1パッチコードは、複数のツイスト通信ワイヤを含み、前記第1通信ケーブルは複数のツイスト通信ワイヤを含み、前記第1パッチコードの減衰は、該第1パッチコードが前記第1通信ケーブルよりも大きな誘電損失を有することによって、前記第1通信ケーブルの減衰よりも大きい、システム。 - 請求項1記載のシステムにおいて、前記第1パッチコードの誘電損失は、該第1パッチコードが前記第1通信ケーブルのケーブル・ジャケットよりも大きな誘電損失を有する材料で構成されたケーブル・ジャケットを有することによって、前記第1通信ケーブルの誘電損失よりも大きい、システム。
- 請求項1記載のシステムにおいて、前記第1パッチコードの誘電損失は、該第1パッチコードが前記第1通信ケーブルのケーブル・スプラインよりも大きな誘電損失を有する材料で構成されたケーブル・スプラインを有することによって、前記第1通信ケーブルの誘電損失よりも大きい、システム。
- 請求項1記載のシステムにおいて、前記第1パッチコードの誘電損失は、ワイヤ・ペア・シールドの使用によってより大きくした、システム。
- 通信ネットワークにおけるエイリアン・クロストークを低減するためのシステムであって、
第1の強化パッチコードを介して第1のネットワーク・デバイスに接続された第1の通信ケーブルであって、該第1強化パッチコードが、前記第1通信ケーブルの減衰よりも大きな第1パッチコード減衰を有する第1減衰用パッチコードである、前記の第1の通信ケーブルと、
第2の強化パッチコードを介して第2のネットワーク・デバイスに接続された第2の通信ケーブルであって、該第2強化パッチコードが、前記第2通信ケーブルの減衰よりも大きな第2パッチコード減衰を有する第2減衰用パッチコードである、前記の第2の通信ケーブルと、
を備え、
前記第1パッチコードは、複数のツイスト通信ワイヤを含み、前記第1通信ケーブルは複数のツイスト通信ワイヤを含み、前記第1パッチコードの減衰は、該第1パッチコードの前記ツイスト通信ワイヤが前記第1通信ケーブルの前記ツイスト通信ワイヤよりも低い導電性を有することによって、前記第1通信ケーブルの減衰よりも大きい、システム。 - 請求項5記載のシステムにおいて、前記第1パッチコードの前記通信ワイヤの導電性は、該第1パッチコードの前記通信ワイヤに前記第1通信ケーブルの前記通信ワイヤの金属よりも低い導電性の金属を使用することによって、前記第1通信ケーブルの前記通信ワイヤの導電性より小さくした、システム。
- 請求項5記載のシステムにおいて、前記第1パッチコードの前記通信ワイヤの導電性は、該第1パッチコードのワイヤを細くすることによって、前記第1通信ケーブルの前記通信ワイヤの導電性より小さくした、システム。
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48668303P | 2003-07-11 | 2003-07-11 | |
US60/486,683 | 2003-07-11 | ||
US48856603P | 2003-07-18 | 2003-07-18 | |
US60/488,566 | 2003-07-18 | ||
US56546404P | 2004-04-26 | 2004-04-26 | |
US60/565,464 | 2004-04-26 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006520221A Division JP5006036B2 (ja) | 2003-07-11 | 2004-07-09 | 強化パッチコードによるエイリアン・クロストーク抑制 |
Publications (2)
Publication Number | Publication Date |
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JP2012190801A JP2012190801A (ja) | 2012-10-04 |
JP5676514B2 true JP5676514B2 (ja) | 2015-02-25 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2006520221A Expired - Fee Related JP5006036B2 (ja) | 2003-07-11 | 2004-07-09 | 強化パッチコードによるエイリアン・クロストーク抑制 |
JP2012088336A Expired - Fee Related JP5676514B2 (ja) | 2003-07-11 | 2012-04-09 | 通信ネットワークにおけるエイリアン・クロストークを低減するためのシステム |
Family Applications Before (1)
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JP2006520221A Expired - Fee Related JP5006036B2 (ja) | 2003-07-11 | 2004-07-09 | 強化パッチコードによるエイリアン・クロストーク抑制 |
Country Status (6)
Country | Link |
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US (5) | US7109424B2 (ja) |
EP (2) | EP2259441A3 (ja) |
JP (2) | JP5006036B2 (ja) |
KR (2) | KR20120053543A (ja) |
CN (1) | CN103124189A (ja) |
WO (1) | WO2005008912A1 (ja) |
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2004
- 2004-07-09 WO PCT/US2004/021840 patent/WO2005008912A1/en active Application Filing
- 2004-07-09 EP EP10180702.2A patent/EP2259441A3/en not_active Withdrawn
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- 2004-07-09 KR KR1020127011764A patent/KR20120053543A/ko active Search and Examination
- 2004-07-09 JP JP2006520221A patent/JP5006036B2/ja not_active Expired - Fee Related
- 2004-07-09 EP EP04777737.0A patent/EP1649610B1/en not_active Expired - Lifetime
- 2004-07-09 CN CN2012105863450A patent/CN103124189A/zh active Pending
- 2004-07-09 KR KR1020067000584A patent/KR20060056935A/ko active Application Filing
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2006
- 2006-08-31 US US11/468,848 patent/US7728228B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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US20120273267A1 (en) | 2012-11-01 |
CN103124189A (zh) | 2013-05-29 |
US9094096B2 (en) | 2015-07-28 |
WO2005008912A1 (en) | 2005-01-27 |
KR20120053543A (ko) | 2012-05-25 |
EP2259441A2 (en) | 2010-12-08 |
US20050029007A1 (en) | 2005-02-10 |
EP2259441A3 (en) | 2013-05-01 |
JP2007532015A (ja) | 2007-11-08 |
EP1649610A1 (en) | 2006-04-26 |
JP5006036B2 (ja) | 2012-08-22 |
JP2012190801A (ja) | 2012-10-04 |
US20070004268A1 (en) | 2007-01-04 |
US20100236813A1 (en) | 2010-09-23 |
US9601239B2 (en) | 2017-03-21 |
US20150332808A1 (en) | 2015-11-19 |
KR20060056935A (ko) | 2006-05-25 |
US8217268B2 (en) | 2012-07-10 |
EP1649610B1 (en) | 2014-02-19 |
US7109424B2 (en) | 2006-09-19 |
US7728228B2 (en) | 2010-06-01 |
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