EP0940891A2 - Doppelreihiger Mehrfachmodularstecker mit unterdrücktem gegenseitigen Übersprechen - Google Patents

Doppelreihiger Mehrfachmodularstecker mit unterdrücktem gegenseitigen Übersprechen Download PDF

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Publication number
EP0940891A2
EP0940891A2 EP99102804A EP99102804A EP0940891A2 EP 0940891 A2 EP0940891 A2 EP 0940891A2 EP 99102804 A EP99102804 A EP 99102804A EP 99102804 A EP99102804 A EP 99102804A EP 0940891 A2 EP0940891 A2 EP 0940891A2
Authority
EP
European Patent Office
Prior art keywords
plug receiving
receiving port
longitudinal wall
modular jack
longitudinally displaced
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.)
Granted
Application number
EP99102804A
Other languages
English (en)
French (fr)
Other versions
EP0940891B1 (de
EP0940891A3 (de
Inventor
Yakov Belopolsky
Lee W. Potteiger
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.)
FCI SA
Original Assignee
Berg Electronics Manufacturing BV
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
Priority claimed from US09/143,810 external-priority patent/US6036547A/en
Application filed by Berg Electronics Manufacturing BV filed Critical Berg Electronics Manufacturing BV
Publication of EP0940891A2 publication Critical patent/EP0940891A2/de
Publication of EP0940891A3 publication Critical patent/EP0940891A3/de
Application granted granted Critical
Publication of EP0940891B1 publication Critical patent/EP0940891B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/659—Shield structure with plural ports for distinct connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
    • H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45

Definitions

  • each channel is connected to the physical network by a modular jack.
  • Modular jack signal contacts are divided into differential pairs according to TIA/EIA 568.
  • the present invention is a modular jack assembly which includes an insulative housing with a first longitudinal wall, a second longitudinal wall superimposed over the first longitudinal wall in spaced parallel relation. A third longitudinal wall is superimposed over the second longitudinal wall in spaced parallel relation. There is a first pair of spaced transverse walls interposed between the first and second longitudinal wall to form a first plug receiving port. There is also a second pair of spaced transverse walls interposed between the second and third longitudinal wall to form a second plug receiving port. The first plug receiving port is longitudinally displaced from said second plug receiving port.
  • a first insulative insert having base and upper sides and rear end terminal ends is positioned so that its terminal end extends into the first plug receiving port.
  • a second insulative insert having base and upper sides and rear and terminal ends is positioned so that its terminal end extends into the second plug receiving port.
  • mod jacks are arranged in two or more rows. It is desirable that overall height is as low as allowed by governing standards, in particular the FCC rules part 68 subpart F.
  • the high speed performance is characterized by two major parameters: low crosstalk and low attenuation. Attenuation is a function of signal line impedance to a time varying signal. At higher frequencies, above 10 MHz, impedance becomes mostly inductive and directly proportional to the terminal length. The reduction in the impedance results in the lower signal attenuation.
  • To reduce electrical crosstalk between pairs in each modular jack the electrical contacts are arranged in such fashion that causes minimal transfer of energy from one pair to another. Furthermore, by arranging contacts in the illustrated fashion the crosstalk generated in one portion of a pair is reduced by a crosstalk generated in another part of the same pair. In all cases it is assumed that the crosstalk current flows in the same direction as a current which causes it.
  • the modular jacks are arranged in two rows. The top row is inverted in regard to the bottom row, so that the overall length of a top row signal contact is reduced.
  • the crosstalk between adjacent jacks has to be suppressed.
  • the adjacent ports In this design are located in vertical and horizontal directions. Since the crosstalk will be minimized with increase of the distance between differential pairs, the pairs shall be arranged at the greatest possible distance. If the distance between rows is increased, that would increase signal length and attenuation.
  • top and bottom rows can be off-set. If such an offset is great (typically exceeds 0.120") it results In the increase of overall length of assemblies or asymmetrical design, i.e. top and bottom row may have different number of ports.
  • one of the features of the proposed invention is to off-set top and bottom ports in such fashion that top contacts are located between bottom port contacts.
  • Such configuration can be achieved by shifting the top row by 0.020" or 0.040" or 0.060" in regard to the bottom row.
  • the crosstalk suppression between adjacent ports is achieved by using pairs 1 - 2 and 7 - 8 in each port with significant ability to suppress mutual crosstalk.
  • the modular gang jack of the present invention includes a shielded insulative housing shown generally at numeral 10.
  • This housing has a lower longitudinal wall 12, a medial longitudinal wall 14 and an upper longitudinal wall 16. Interposed between these longitudinal walls there are transverse walls as at wall 18 and wall 20. These transverse walls form with the longitudinal walls plug receiving ports as at port 22 and 24. It will be seen that adjacent between the lower and medial longitudinal wall and between the medial and upper longitudinal wall are longitudinally displaced by a distance d (Fig. 2).
  • the insulative insert inserted in the ports from the rear side of the housing is shown generally at numeral 26.
  • This insert has a base side 28, an upper side 30, a rear end 32 and a forward end 34.
  • the forward end is inserted into the ports, and wires extend upwardly from the base side to the upper side and then to the forward end from where they extend obliquely toward the base side.
EP99102804A 1998-03-05 1999-02-25 Doppelreihiger Mehrfachmodularstecker mit unterdrücktem gegenseitigen Übersprechen Expired - Lifetime EP0940891B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US143810 1988-01-13
US7684498P 1998-03-05 1998-03-05
US76844 1998-03-05
US09/143,810 US6036547A (en) 1998-03-05 1998-08-31 Double deck gang jack exhibiting suppressed mutual crosstalk

Publications (3)

Publication Number Publication Date
EP0940891A2 true EP0940891A2 (de) 1999-09-08
EP0940891A3 EP0940891A3 (de) 2000-01-26
EP0940891B1 EP0940891B1 (de) 2003-09-24

Family

ID=26758539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99102804A Expired - Lifetime EP0940891B1 (de) 1998-03-05 1999-02-25 Doppelreihiger Mehrfachmodularstecker mit unterdrücktem gegenseitigen Übersprechen

Country Status (3)

Country Link
EP (1) EP0940891B1 (de)
DE (1) DE69911486T2 (de)
TW (1) TW433570U (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634817A2 (de) * 1993-07-14 1995-01-18 Thomas & Betts Corporation Abgeschirmter kompakter Verbinder zur Datenübertragung
DE9420450U1 (de) * 1994-12-21 1995-03-30 Kan Jinmou Verbindungssockelanordnung für mehrere Drähte
EP0658953A2 (de) * 1993-12-14 1995-06-21 The Whitaker Corporation Anordnung von modularen Steckern mit einer Mehrzahl von Öffnungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634817A2 (de) * 1993-07-14 1995-01-18 Thomas & Betts Corporation Abgeschirmter kompakter Verbinder zur Datenübertragung
EP0658953A2 (de) * 1993-12-14 1995-06-21 The Whitaker Corporation Anordnung von modularen Steckern mit einer Mehrzahl von Öffnungen
DE9420450U1 (de) * 1994-12-21 1995-03-30 Kan Jinmou Verbindungssockelanordnung für mehrere Drähte

Also Published As

Publication number Publication date
DE69911486T2 (de) 2004-07-22
EP0940891B1 (de) 2003-09-24
DE69911486D1 (de) 2003-10-30
EP0940891A3 (de) 2000-01-26
TW433570U (en) 2001-05-01

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