EP2044781B1 - Verbinderblock - Google Patents

Verbinderblock Download PDF

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Publication number
EP2044781B1
EP2044781B1 EP07765227.9A EP07765227A EP2044781B1 EP 2044781 B1 EP2044781 B1 EP 2044781B1 EP 07765227 A EP07765227 A EP 07765227A EP 2044781 B1 EP2044781 B1 EP 2044781B1
Authority
EP
European Patent Office
Prior art keywords
slots
connector block
group
cable
pair
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.)
Active
Application number
EP07765227.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2044781A1 (de
Inventor
Wayne William Dennes
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.)
Tyco Electronics Service GmbH
Original Assignee
Tyco Electronics Service GmbH
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 AU2006904009A external-priority patent/AU2006904009A0/en
Application filed by Tyco Electronics Service GmbH filed Critical Tyco Electronics Service GmbH
Publication of EP2044781A1 publication Critical patent/EP2044781A1/de
Application granted granted Critical
Publication of EP2044781B1 publication Critical patent/EP2044781B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2416—Means for guiding or retaining wires or cables connected to terminal blocks
    • 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
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base

Definitions

  • the present invention relates to a connector block for terminating a plurality of insulated conductors of two or more electronic data cables.
  • crosstalk When cables are formed of multiple twisted pair conductors, electromagnetic coupling between pairs, also referred to as crosstalk (XT), can be reduced by having each pair having different rates of drilling. However, if similar cables are juxtaposed, twisted pairs may be placed very close to other twisted pairs at the same rate of drilling, increasing cross-talk between twisted pair pairs with corresponding twist rates in adjacent cables; Crosstalk between cables is also known as alien crosstalk (alien crosstalk - AXT), respectively.
  • Connector blocks are useful for terminating and connecting many pairs of conductors simultaneously.
  • Current conductor blocks may be affected by unwanted electromagnetic coupling between conductors. This may be the case in particular at high frequencies and when several cables, each containing a plurality of conductors, are packed close together. This unwanted electromagnetic coupling may also contain alien crosstalk.
  • the conductors of the first data cable and the second data cable are arranged in twisted pairs, and the slots are arranged in pairs for receiving the conductors of the corresponding twisted pair.
  • the isolation distance is greater than the distance between adjacent pairs of slots.
  • the distance between adjacent pairs of slots is greater than the distance between the slots of one of the pairs of slots.
  • the insulation distance is formed by a preformed insulation spacer without further slots for receiving insulation displacement contacts.
  • the isolation distance is greater than 17 mm.
  • steps (a) and (b) are repeated for the second and third and fourth twisted pairs of the first and second cables.
  • the in the FIGS. 1 to 7 Connector block 10 shown is used to terminate the insulated conductors of four data cables (not shown).
  • the connector block 10 includes a generally rectangular housing 11 having a front side 60; a back 62; a top 64 and a bottom 66.
  • the housing 11 extends along a length extending from a first end 68 to a second end 70.
  • the housing 11 preferably includes a front portion 72 which is connected to a base portion 74.
  • the front portion 72 is connected to the base portion 74 by a snap fit connection. It will be appreciated that the front portion 72 defines the front side 60 of the housing 11 and the base portion 74 defines the rear face 62 of the housing 11.
  • the connector block 10 includes two adjacent groups 12, 14 of insulation displacement contact slots 16.
  • Each group 12, 14 of slots 16 is arranged in two rows 12a, 12b and 14a, 14b, side by side along the front side 60 of the housing 11 in FIG. 4 shown way.
  • the rows 12a and 14a of slots extend along the front side 60 of the housing 11 in a line adjacent the top 64 of the housing 11.
  • the rows 12b and 14b of slots are along the front side 60 of the housing 11 in a line the bottom side 66 of the housing 11th
  • the connector block 10 includes a plurality of insulation displacement contacts (IDC) 20 captured between the front portion 72 and the base portion 74.
  • IDC 20 is preferably formed of a contact element that is forked to define two opposed contact portions 21, 23, respectively are separated by a slot into which an insulated wire can be pressed so that edges of the contact portions engage and disengage the insulation and such that the contact portions resiliently engage and electrically connect the conductor of the insulated wire ,
  • the described IDCs 20 are used, for example, by US 4,452,502 and US 4,405,187 taught.
  • the two opposite contact portions 21, 23 of the IDCs 20 are in corresponding slots 16 of the front part 74 of the housing 11, for example, in the FIG. 1 disclosed way disclosed.
  • each slot of the slots 16 of the first row 12a is designed to receive an end portion of a corresponding insulated conductor 80 of a first data cable 82.
  • the end portion of each insulated conductor 80 may be electrically connected to a corresponding IDC 20 by pressing the end portion of the conductor 80 between the opposed contact portions 21, 23.
  • each slot of the slots 16 of the second row 14a is configured to receive an end portion of a corresponding insulated conductor 84 of a second data cable 86.
  • each insulated conductor 84 may be electrically connected to a corresponding IDC 20 by pressing the end portion of the conductor 84 between the opposed contact portions 21, 23.
  • the insulated conductors of other data cables may be electrically coupled to respective ones of the second series IDCs 20 of the first group 12 of slots 16 and to individual ones of the second group IDCs 20 of the second group 14b 14 of slots 16 are connected.
  • the IDCs 20a of the first row of slots 12a are electrically connected to respective ones of the IDCs 20b of the second row of slots 12b by spring finger contacts 25a, 25b extending therebetween. Accordingly, the insulated conductors 80 of the first data cable 82, which are electrically connected to the IDCs 20a of the first row 12a of slots 16, are electrically connected to respective ones of the insulated conductors of another data cable (not shown) electrically connected to the IDCs 20b of the row 12b of slots 16 are connected.
  • the insulated conductors 84 of the second data cable 86 which are electrically connected to the IDCs 20a of the row 14a of slots 16, are electrically connected to respective ones of the insulated conductors of yet another data cable (not shown) electrically connected to the insulation displacement contacts 20b of the row 14b are connected by slots 16.
  • An example of the described arrangement of slots 16 and IDCs 20 of the connector block 10 is shown in FIG US 4,541,682 explained.
  • the connector block 10 is designed to reduce alien crosstalk between the first and second data cables 80, 86 when electrically connected to the IDCs 20 of the rows 12a, 14b of the first and second groups 12, 14 of slots 16. Alien crosstalk is reduced by separating the rows 12a, 14a with an isolation distance 22a.
  • the connector block 10 is designed to reduce alien crosstalk between data cables electrically connected to the IDCs 20 of the rows 12b, 14b of the first and second group of slots 16 by separating the rows 12b, 14b with an isolation distance 22b.
  • the isolation distance 22 is, for example, greater than 17 mm.
  • the isolation distance 22 is selected so that alien crosstalk between adjacent cables 82, 86 is reduced by increasing the distance "X" between centers of twisted pairs of adjacent groups 12, 14 of slots 16.
  • the isolation distance 22 is for example greater than 17 mm.
  • the isolation distance 22 reduces alien crosstalk to a level that makes the connector block 10 suitable for use in an installation that complies with the Category 6 communication standard and other high bandwidth communications standards such as 10 gigabytes.
  • the length "X" of the insulation spacing 22 is preferably selected so that it is as large as possible in view of the space requirements of the insulation displacement contacts 20.
  • the length "X" of the insulation pitch 22 is preferably selected to be as large as possible in view of the space limitations of the device in which the connector block 10 is to be mounted. For example, if the mounting of the device is a communication rack or a configuration of mounting bars.
  • the insulated conductors 80, 84 of the first and second data cables 82, 86 are arranged in twisted pairs.
  • the twisted pairs of each data cable 82, 86 have different twist rates.
  • An example of such a cable is one from ADC Communications Pty ltd.
  • other embodiments of the present invention may consider cables including, for example, more or less twisted pairs of conductors.
  • the connector block 10 is used to connect the conductors 80 of the four twisted pairs 80a, 80b, 80c, 80d of the first cable 82 in corresponding pairs of slots 12ai, 12aii, 12aiii and 12aiv of the first row 12a of slots 16 on the in FIG. 8 complete shown way.
  • the twisted pair 80a terminated at location 12ai has a first rate of drilling;
  • the twisted pair 80b terminated at location 12aii has a second rate of drilling;
  • the twisted pair 80c to be terminated at location 12aiii has a third rate of drilling, and the twisted pair 80d to be terminated at location 12aiv has a fourth rate of drilling.
  • the connector block 10 is also used to similarly terminate four twisted pairs 84a, 84b, 84c, 84d from the second cable 86 in respective pairs of slots 14ai, 14aii, 14aiii, 14aiv.
  • the twisted pairs of the second cable 84 are arranged such that the twisted pair 84a terminated at the location 14a has a first rate of drilling having a second rate of twist at the location 14aii terminated twisted pair 84b, the twisted pair 84c terminated at location 14a has a third drill rate and the twisted pair 84d terminated at location 14aiv has a fourth rate of drill.
  • the described arrangement of twisted pair leads of the first and second cables 82, 86 advantageously provides a minimum separation of 17 mm between the closest centers of twisted pairs in adjacent cables, thereby minimizing alien crosstalk.
  • Twisted pair lines from the two adjacent common rate cable 82, 86 are arranged in pairs of slots arranged therebetween, as in FIG FIG. 4 shown to provide a maximum distance "Y".
  • the length "X" of the isolation distance 22a is preferably greater than 17 mm.
  • the isolation distance 22a reduces alien crosstalk to a level that makes the connector block 10 suitable for use in an installation that complies with the Category 6 communication standard and other high bandwidth communication standards.
  • Twisted pair wires of the adjacent third and fourth cables with common twist rates are arranged in pairs of slots sandwiched therebetween as in FIG FIG. 4 Shown to provide a maximum distance "Y".
  • the length "X" of the isolation distance 22b is preferably greater than 17 mm.
  • the isolation distance 22b reduces alien crosstalk to a level that makes the connector block 10 suitable for use in an installation that complies with the Category 6 communication standard and other high bandwidth communication standards.
  • the distance "A" between nearest centers of slots 16 of adjacent twisted pair lines is preferably 5.5 mm.
  • the distance “B” between nearest centers of slots 16 for twisted pair lines is preferably 3 mm.
  • the distance "A” is preferably greater than the distance "B”.
  • the connector block 10 includes clips 24 for coupling the connector block to a rack mounting structure, such as a pair of solid bars that are gripped by clips 24.
  • the connector block 10 could alternatively be attached to a mounting structure by any other suitable means.
  • the clips 24 are located on the back side 62 of the connector block 10 and are connected to the base part 74.
  • connector block 10 also includes first and second cable managers 26, 28 positioned on top 64 of base 74 of housing 11 to locate cables at fixed positions to be presented to respective ones of rows 12a and 14a of slots 16 ,
  • the connector block 10 also includes third and fourth cable managers 32, 34 mounted on the Bottom side 66 of the base portion 74 of the housing 11 are positioned to locate cables in fixed positions to be presented to respective ones of the rows 12b and 14b of the slots 16.
  • Each cable manager 26, 28, 32, 34 includes a tab 38 extending outwardly from its respective side 30, 36 of the housing 11. Distal ends of the tabs 38 include flanges 40 that are generally parallel to respective sides 30, 36 of the housing 11.
  • the cable managers 26, 28, 32, 34 are generally "T" shaped. The distance between the flanges 40 and the respective sides 30, 36 of the housing 11 is preferably smaller than the width of the data cables 82, 86 and greater than the width of the conductors 80, 84.
  • the first cable manager 26 is coupled to the top 64 of the base member 74 between pairs of slots 12aii and 12aiii.
  • the first cable manager 26 is configured to sit between the second and third twisted pair 80b, 80c of the first cable 82.
  • the tab 38 is in a "V" formed between the second and third twisted pair 80b, 80c and the sheath of the cable 82.
  • the end of the shell abuts the flange 40 or the flag 38.
  • the cable manager 26 holds the end of the cable 82 in a fixed position when the ends of the conductors 80 in respective slots 16 are closed.
  • the cable manager 26 keeps the cable 82 flush against the top 64 of the housing 11.
  • the cable manager 26 prevents interference between the cables.
  • the length of the first twisted pair 80a is preferably equal to that of the fourth twisted pair 80d.
  • the length of the second twisted pair 80b is preferably equal to that of the third twisted pair 80c.
  • the second cable manager 28 is coupled to the top 64 of the base member 74 between pairs of slots 14aii and 14aiii.
  • the second cable manager 28 is configured to sit between the second and third twisted pair conductors 84b, 84c of the second cable 86.
  • the tab 38 is in a "V" formed between the second and third twisted pair conductors 84b, 84c and the sheath of the cable 86.
  • the cable manager 28 holds the end of the cable 86 in a fixed position when the ends of the conductors 84 in respective slots 16 are closed. In the described arrangement, the cable manager 28 holds the conductors 84 flush against the top 64 of the housing 11.
  • the length of the first twisted pair 84a is preferably equal to that of the fourth twisted pair 84d.
  • the length of the second twisted pair 84b is preferably equal to that of the third twisted pair 84c.
  • the third and fourth cable managers are respectively coupled between slot pairs 12bii and 12biii or slot pairs 14bii and 14biii to the underside 66 of the base part 74.
  • the arrangement of the third and fourth cable manager 32, 34 is analogous to that of the first and second cable manager 26, 28 and is not described here.
  • the flanges 40 are of sufficient size and width to prevent the twisted pairs from being displaced by cable movement.
  • the cable managers 26, 28, 32, 34 prevent interference between the cables.
  • the cable managers 26, 28, 32, 34 are preferably formed integrally with the connector block 10. Alternatively, the cable managers 26, 28, 32, 34 are attached to the body of the connector block 10 at a later point.
  • connector block 10 also includes upper spacers 50a, 50b coupled to upper surface 64 of base portion 74 of housing 11.
  • the connector block 10 also includes lower spacers 50c, 50d coupled to the underside 66 of the base portion 74 of the housing 11.
  • the spacers 50a, 50b, 50c, 50d thereby separate the connector blocks 10 in the stack.
  • the spacers 50a, 50b, 50c, 50d separate the connector blocks in the stack by a minimum distance to prevent significant interference between the conductors of adjacent cables coupled to adjacent connector blocks 10.
  • the spacers 50a, 50b, 50c, 50d preferably prevent alien crosstalk between the conductors of adjacent cables coupled to adjacent connector blocks 10.
  • Connector block 100 shown is used to terminate the insulated conductors of ten data cables, not shown.
  • the connector block 100 includes five adjacent groups 112, 114, 116, 118, 120 of IDC slots 16.
  • the connector block 100 acts in a manner analogous to that of the connector block 10, and as such, common number reference numbers are the same.
  • the connector block 100 is configured to reduce alien crosstalk, for example, by including isolation distances 22 between adjacent groups 112, 114, 116, 118, 120 from the IDC slots 16.
  • the isolation distance 22 reduces alien crosstalk to a level that makes the connector block 100 suitable for use in an installation that complies with the Category 6 communication standard and other high bandwidth communication standards.
  • the length "X" of the isolation distances is selected so as to reduce alien crosstalk between adjacent data cables (not shown) by adjusting the distance between them Slits 16 is increased according to adjacent cables.
  • the isolation distance 22 preferably increases the distance between slots for twisted pair lines with equal drill rates.
  • the length "X" of the insulation spacing 22 is preferably selected to be as large as possible given the space requirements of the insulation displacement contacts 20a, 20b.
  • the length "X" of the insulation pitch 22 is preferably selected to be as large as possible in view of the space limitations of the device in which the connector block 100 is to be mounted. For example, if the mounting of the device is a communication rack or a configuration of mounting bars.
  • the connector block 10, 100 includes openings 50 for connection to a cable manager with mounting lugs not shown.
  • the connector block 10, 100 also includes internal guides on its inner sidewalls (not shown) to facilitate connection to a cable manager with side clips.
  • a standard connector block 10, 100 may be spaced a regular distance from insulation displacement contact slots 16 (ie, without preformed insulation spacers, as in FIG FIG. 1 shown), and the isolation distance 22 can be formed; by leaving a selected number of slots 16 disconnected between cable groups, the selected number being selected to reduce alien crosstalk below a specified level.
  • the number of unconnected slots is sufficiently large to reduce alien crosstalk below levels required by the Category 6A standard.
  • the connector block 10, 100 is adapted to be mounted on vertical bars, in a rack or in a communication cabinet.
  • the twisted pair lines in the block may be terminated by other forms of IDCs, including non-separable IDCs, and other forms of electrical contacts known in the art.
EP07765227.9A 2006-07-25 2007-07-18 Verbinderblock Active EP2044781B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2006904009A AU2006904009A0 (en) 2006-07-25 Connector block
PCT/EP2007/006366 WO2008012016A1 (de) 2006-07-25 2007-07-18 Verbinderblock

Publications (2)

Publication Number Publication Date
EP2044781A1 EP2044781A1 (de) 2009-04-08
EP2044781B1 true EP2044781B1 (de) 2014-04-23

Family

ID=38461698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07765227.9A Active EP2044781B1 (de) 2006-07-25 2007-07-18 Verbinderblock

Country Status (9)

Country Link
US (2) US7901254B2 (zh)
EP (1) EP2044781B1 (zh)
CN (1) CN101455091B (zh)
AU (1) AU2007278522B2 (zh)
ES (1) ES2477875T3 (zh)
HK (1) HK1134731A1 (zh)
NZ (1) NZ572640A (zh)
WO (1) WO2008012016A1 (zh)
ZA (1) ZA200901267B (zh)

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ZA200901267B (en) 2010-03-31
US8210883B2 (en) 2012-07-03
HK1134731A1 (en) 2010-05-07
AU2007278522A1 (en) 2008-01-31
CN101455091A (zh) 2009-06-10
ES2477875T3 (es) 2014-07-18
NZ572640A (en) 2011-10-28
AU2007278522B2 (en) 2011-07-28
US20100022144A1 (en) 2010-01-28
US20110159722A1 (en) 2011-06-30
US7901254B2 (en) 2011-03-08
CN101455091B (zh) 2013-03-13
WO2008012016A1 (de) 2008-01-31
EP2044781A1 (de) 2009-04-08

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