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WO2008048955A2 - Patch cord with a light pipe - Google Patents

Patch cord with a light pipe Download PDF

Info

Publication number
WO2008048955A2
WO2008048955A2 PCT/US2007/081510 US2007081510W WO2008048955A2 WO 2008048955 A2 WO2008048955 A2 WO 2008048955A2 US 2007081510 W US2007081510 W US 2007081510W WO 2008048955 A2 WO2008048955 A2 WO 2008048955A2
Authority
WO
WIPO (PCT)
Prior art keywords
light
patch cord
patch
plug
display area
Prior art date
Application number
PCT/US2007/081510
Other languages
French (fr)
Other versions
WO2008048955A3 (en
Inventor
Jack E. Caveney
Original Assignee
Panduit 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 Panduit Corp. filed Critical Panduit Corp.
Publication of WO2008048955A2 publication Critical patent/WO2008048955A2/en
Publication of WO2008048955A3 publication Critical patent/WO2008048955A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G02B6/4416—Heterogeneous cables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/13—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules
    • H04Q1/135—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules characterized by patch cord details
    • H04Q1/136—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules characterized by patch cord details having patch field management or physical layer management arrangements

Definitions

  • the present invention relates to network documentation and revision systems and more particularly relates to a system for using patch cables having indicators that can be illuminated to guide the installation and removal of the patch cables.
  • Patch panels are used in communications networks as intermediate elements between horizontal cabling (to which endpoint devices such as computers and telephones are connected) and network switches.
  • endpoint devices such as computers and telephones are connected
  • patch panels are the points at which technicians complete the required moves, additions, or changes of cabling within patch fields. It is important to keep track of changes that are made to patch cord connections within the patch field. Proper documentation of changes in the patch field assures that the routing of patch cords is always known and further assures that any future changes are completed correctly.
  • one patch panel is placed between the horizontal cabling and the network switch.
  • the documentation of patch cord connections between the patch panel and the switch will provide the necessary documentation of connections between the switch and the horizontal cabling. It is desirable to have a patch cord management system that enables complete documentation of patch cord connections and that guides network installers as they make moves, adds, or changes to the patch cord connections. It is also desirable for a patch cord management system to have a minimal impact on existing networks. It is further desirable to have a patch cord that allows for the guided installation and removal of patch cords in interconnect network configurations.
  • a patch cord is provided with a light pipe.
  • the light pipe is adapted to accept light at one end of the patch cord and to display the light at the opposite end of the patch cord.
  • a patch cord is provided with a light pipe that accepts light at a patch panel end of the patch cord.
  • the light pipe transmits the light down the length of the patch cord and displays the light at the opposite end of the patch cord, for example at a switch.
  • a patch cord according to the present invention may be provided with a light- accepting plug at one end of the patch cord and a light-emitting plug at the other end of the patch cord.
  • Systems and methods according to some embodiments of the present invention allow for the illumination of patch panel jacks and patch cord plugs to facilitate the installation and removal of patch cords in interconnect network configurations.
  • FIG. 1 is a cutaway side view of a patch cord connecting a patch panel and a network switch according to one embodiment of the present invention
  • FIG. 2 is a front view of a patch panel port according to one embodiment of the present invention.
  • Fig. 3 is a cross-sectional view of a patch cord according to one embodiment of the present invention.
  • Fig. 4 is an end view of two patch cord plugs according to one embodiment of the present invention plugged into a high-density network switch;
  • Fig. 5 is a side view of a patch cord plug plugged into a network switch. Detailed Description of Preferred Embodiments
  • the present invention is directed to a patch cord having a light pipe for guiding the installation and removal of the patch cord.
  • Patch cords according to the present invention may be smart patch cords as shown and described in the U.S. Provisional Patent Application having serial number 60/765,907, entitled “Smart Cable Provisioning for a Patch Cord Management System.”
  • Fig. 1 is a cutaway side view of a patch cord 10 installed between a patch panel 12 and a network switch 14 (for example, a CATALYST ® 6509 switch manufactured by Cisco Systems, Inc.).
  • the patch cord 10 has a light pipe 16 that accepts visible light from a light source 18 that is mounted on the patch panel 12.
  • the light pipe 16 accepts the light at a patch panel plug 20 of the patch cable 10.
  • the light pipe 16 transmits the light from the light source 18 along the length of the patch cord 10 to a switch plug 22 of the patch cord 10.
  • the light pipe 16 is provided with a bend 24 that reroutes the light to a display area 26 of the switch plug 22.
  • the display area 26 is easily viewable by a technician.
  • the light source 18 is a light-emitting diode (LED), and the light pipe 16 comprises a plastic optical fiber.
  • the bend 24 in the light pipe 16 may be formed by heating and bending the light pipe 16.
  • Fig. 2 shows a front view of a patch panel port 28.
  • each patch panel port 28 is provided with a patch panel jack 30 and a light source 18.
  • the light source 18 is positioned to align with a light input 31 of the patch panel plug 20 (as shown in Fig. 1 ).
  • Fig. 3 is a cross-sectional view of a patch cord 32 according to one embodiment of the present invention.
  • a light pipe 16 as described above is provided within the patch cord 32. Twisted pairs of signal conductors 34a-34d are separated by a separator spline 36.
  • Ninth and tenth wires 38a and 38b are also provided, and they may support the smart cable functionality shown and described in the above-referenced provisional patent application entitled, "Smart Cable Provisioning for a Patch Cord Management System.”
  • the ninth and tenth wires 38a and 38b may be used in combination with a "pogo pin" probe switch 42 that is provided on the switch plug 22 (as shown in Figs. 4 and 5).
  • An outer jacket 40 surrounds the patch cord assembly.
  • Fig. 4 shows an end view of two switch plugs oriented for insertion into a high-density network switch. In such a switch, vertically neighboring plugs are inserted in an opposing over-under configuration. Projections 44 are provided to house the display area 26 and the probe switch 42 of the switch plug 22. To accommodate the opposing over-under configuration necessary in a high-density network switch, the projections 44 are offset from the centers of the switch plugs 22. As shown in Fig. 4, the projections 44 are preferably provided on the side of the switch plug 22 opposite a plug latch 46.
  • Fig. 5 shows a side view of a switch plug 22 inserted into a port of a network switch 14.
  • the probe switch 42 is engaged upon insertion of the switch plug 22 into the network switch port.
  • the dotted line in Fig. 5 illustrates the path of the light pipe 16 passing through a boot 48 and through the switch plug 22.
  • signal contacts of the plugs are configured to mate with RJ-45 jacks.
  • patch cords according to other embodiments of the present invention are designed for use in optical communication networks or in other electrical communication networks that do not employ RJ-45 plugs and jacks.
  • multiple light pipes or light inputs may be provided to support more than one color of illumination to provide more guidance during installation, movement, or removal of a patch cord.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

A patch cord is provided with a light pipe for guiding installation, removal, or changes in connection of the patch cord. The patch cord has a light-accepting plug with a light input and a light-emitting plug having a display area. The light pipe optically connects the light input to the display area. The light pipe may be in addition to twisted pairs of conductors in the patch cord.

Description

PATCH CORD WITH A LIGHT PIPE
Cross-Reference to Related Applications
[0001] The present application claims priority to U.S. Patent Application Serial No. 60/829,584, filed October 16, 2006, entitled, "Patch Cord With a Light Pipe" and is incorporated herein by reference in its entirety. This application also incorporates by reference in its entirety U.S. Patent Application Serial No. 60/765,907, filed February 7, 2006 and entitled, "Smart Cable Provisioning for a Patch Cord Management System."
Technical Field
[0002] The present invention relates to network documentation and revision systems and more particularly relates to a system for using patch cables having indicators that can be illuminated to guide the installation and removal of the patch cables.
Background
[0003] Patch panels are used in communications networks as intermediate elements between horizontal cabling (to which endpoint devices such as computers and telephones are connected) and network switches. When physical connections between endpoint devices and network switches are moved, added, or changed, patch panels are the points at which technicians complete the required moves, additions, or changes of cabling within patch fields. It is important to keep track of changes that are made to patch cord connections within the patch field. Proper documentation of changes in the patch field assures that the routing of patch cords is always known and further assures that any future changes are completed correctly.
[0004] In interconnect network configurations, one patch panel is placed between the horizontal cabling and the network switch. In an interconnect configuration, the documentation of patch cord connections between the patch panel and the switch will provide the necessary documentation of connections between the switch and the horizontal cabling. It is desirable to have a patch cord management system that enables complete documentation of patch cord connections and that guides network installers as they make moves, adds, or changes to the patch cord connections. It is also desirable for a patch cord management system to have a minimal impact on existing networks. It is further desirable to have a patch cord that allows for the guided installation and removal of patch cords in interconnect network configurations.
Summary of the Invention
[0005] According to one embodiment of the present invention, a patch cord is provided with a light pipe. The light pipe is adapted to accept light at one end of the patch cord and to display the light at the opposite end of the patch cord.
[0006] According to one embodiment of the present invention, a patch cord is provided with a light pipe that accepts light at a patch panel end of the patch cord. The light pipe transmits the light down the length of the patch cord and displays the light at the opposite end of the patch cord, for example at a switch.
[0007] A patch cord according to the present invention may be provided with a light- accepting plug at one end of the patch cord and a light-emitting plug at the other end of the patch cord.
[0008] Systems and methods according to some embodiments of the present invention allow for the illumination of patch panel jacks and patch cord plugs to facilitate the installation and removal of patch cords in interconnect network configurations.
Brief Description of Figures
[0009] Fig. 1 is a cutaway side view of a patch cord connecting a patch panel and a network switch according to one embodiment of the present invention;
[0010] Fig. 2 is a front view of a patch panel port according to one embodiment of the present invention;
[0011] Fig. 3 is a cross-sectional view of a patch cord according to one embodiment of the present invention;
[0012] Fig. 4 is an end view of two patch cord plugs according to one embodiment of the present invention plugged into a high-density network switch; and
[0013] Fig. 5 is a side view of a patch cord plug plugged into a network switch. Detailed Description of Preferred Embodiments
[0014] The present invention is directed to a patch cord having a light pipe for guiding the installation and removal of the patch cord. Patch cords according to the present invention may be smart patch cords as shown and described in the U.S. Provisional Patent Application having serial number 60/765,907, entitled "Smart Cable Provisioning for a Patch Cord Management System."
[0015] Fig. 1 is a cutaway side view of a patch cord 10 installed between a patch panel 12 and a network switch 14 (for example, a CATALYST® 6509 switch manufactured by Cisco Systems, Inc.). The patch cord 10 has a light pipe 16 that accepts visible light from a light source 18 that is mounted on the patch panel 12. The light pipe 16 accepts the light at a patch panel plug 20 of the patch cable 10. The light pipe 16 transmits the light from the light source 18 along the length of the patch cord 10 to a switch plug 22 of the patch cord 10. In the embodiment shown in Fig. 1 , the light pipe 16 is provided with a bend 24 that reroutes the light to a display area 26 of the switch plug 22. The display area 26 is easily viewable by a technician. According to one embodiment of the present invention, the light source 18 is a light-emitting diode (LED), and the light pipe 16 comprises a plastic optical fiber. The bend 24 in the light pipe 16 may be formed by heating and bending the light pipe 16.
[0016] Fig. 2 shows a front view of a patch panel port 28. In one embodiment of the present invention, each patch panel port 28 is provided with a patch panel jack 30 and a light source 18. The light source 18 is positioned to align with a light input 31 of the patch panel plug 20 (as shown in Fig. 1 ).
[0017] Fig. 3 is a cross-sectional view of a patch cord 32 according to one embodiment of the present invention. A light pipe 16 as described above is provided within the patch cord 32. Twisted pairs of signal conductors 34a-34d are separated by a separator spline 36. Ninth and tenth wires 38a and 38b are also provided, and they may support the smart cable functionality shown and described in the above-referenced provisional patent application entitled, "Smart Cable Provisioning for a Patch Cord Management System." As further described in that application, the ninth and tenth wires 38a and 38b may be used in combination with a "pogo pin" probe switch 42 that is provided on the switch plug 22 (as shown in Figs. 4 and 5). An outer jacket 40 surrounds the patch cord assembly.
[0018] As described above with reference to Fig. 1 , patch cords according to some embodiments of the present invention are asymmetrical in that the two ends of the patch cords have different plugs. Further details of one embodiment of the switch plug 22 are shown in Figs. 4 and 5. Fig. 4 shows an end view of two switch plugs oriented for insertion into a high-density network switch. In such a switch, vertically neighboring plugs are inserted in an opposing over-under configuration. Projections 44 are provided to house the display area 26 and the probe switch 42 of the switch plug 22. To accommodate the opposing over-under configuration necessary in a high-density network switch, the projections 44 are offset from the centers of the switch plugs 22. As shown in Fig. 4, the projections 44 are preferably provided on the side of the switch plug 22 opposite a plug latch 46.
[0019] Fig. 5 shows a side view of a switch plug 22 inserted into a port of a network switch 14. The probe switch 42 is engaged upon insertion of the switch plug 22 into the network switch port. The dotted line in Fig. 5 illustrates the path of the light pipe 16 passing through a boot 48 and through the switch plug 22.
[0020] The principles of the present invention may be applied to other specific systems. In some embodiments, signal contacts of the plugs are configured to mate with RJ-45 jacks. However, patch cords according to other embodiments of the present invention are designed for use in optical communication networks or in other electrical communication networks that do not employ RJ-45 plugs and jacks. Further, multiple light pipes or light inputs may be provided to support more than one color of illumination to provide more guidance during installation, movement, or removal of a patch cord.

Claims

Claims:
1. A patch cord for a communication network, comprising: a light-accepting plug having a light input; a light-emitting plug having a display area; and a light pipe optically connecting said light input to said display area.
2. The patch cord of claim 1 wherein said light pipe is routed through said light- emitting plug via a bend.
3. The patch cord of claim 1 wherein said light-accepting plug is adapted for insertion into a patch panel and wherein said light-emitting plug is adapted for insertion into a network switch.
4. The patch cord of claim 1 further comprising a plurality of twisted pairs of conductors.
5. The patch cord of claim 4 comprising four twisted pairs of conductors.
6. The patch cord of claim 5 further comprising ninth and tenth wires adapted to support a patch cord management system
7. The patch cord of claim 1 wherein said display area is provided in a projection of the light-emitting plug, said projection being offset from a center of said light-emitting plug.
8. A method for providing instructions for cable insertion to cable maintenance personnel, said method comprising: providing a patch cord having: a light-accepting plug having a light input, a light- emitting plug having a display area, and a light pipe optically connecting said light input to said display area accepting, at a patch panel, said light-accepting plug having said light input; inserting light into said light input at said patch panel; transmitting said light via said light pipe to said display area; and displaying light at said display area.
PCT/US2007/081510 2006-10-16 2007-10-16 Patch cord with a light pipe WO2008048955A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82958406P 2006-10-16 2006-10-16
US60/829,584 2006-10-16

Publications (2)

Publication Number Publication Date
WO2008048955A2 true WO2008048955A2 (en) 2008-04-24
WO2008048955A3 WO2008048955A3 (en) 2008-06-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/081510 WO2008048955A2 (en) 2006-10-16 2007-10-16 Patch cord with a light pipe

Country Status (1)

Country Link
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012027345A3 (en) * 2010-08-23 2012-05-18 Commscope, Inc. Of North Carolina Conductive elements in cable jackets and separators
US9429731B2 (en) 2013-08-12 2016-08-30 Corning Optical Communications LLC Optical fiber cable assembly comprising optical tracer fiber
US9671551B2 (en) 2012-02-13 2017-06-06 Corning Optical Communications LLC Visual tracer system for fiber optic cable
US10101553B2 (en) 2015-05-20 2018-10-16 Corning Optical Communications LLC Traceable cable with side-emitting optical fiber and method of forming the same
US10101545B2 (en) 2015-10-30 2018-10-16 Corning Optical Communications LLC Traceable cable assembly and connector
US10107983B2 (en) 2016-04-29 2018-10-23 Corning Optical Communications LLC Preferential mode coupling for enhanced traceable patch cord performance
JP2018205664A (en) * 2017-06-09 2018-12-27 岡野電線株式会社 Fiber optic cable
US10185111B2 (en) 2016-04-08 2019-01-22 Corning Optical Communications LLC Traceable end point cable assembly
US10222561B2 (en) 2016-12-21 2019-03-05 Corning Research & Development Corporation Light launch device for transmitting light into a traceable fiber optic cable assembly with tracing optical fibers
US10228526B2 (en) 2015-03-31 2019-03-12 Corning Optical Communications LLC Traceable cable with side-emitting optical fiber and method of forming the same
US10234614B2 (en) 2017-01-20 2019-03-19 Corning Research & Development Corporation Light source assemblies and systems and methods with mode homogenization
JP2019066889A (en) * 2019-02-01 2019-04-25 岡野電線株式会社 Optical fiber cable
US10338317B2 (en) 2015-07-17 2019-07-02 Corning Optical Communications LLC Systems and methods for traceable cables
US10379309B2 (en) 2014-11-18 2019-08-13 Corning Optical Communications LLC Traceable optical fiber cable and filtered viewing device for enhanced traceability
US10534135B2 (en) 2015-07-17 2020-01-14 Corning Optical Communications LLC Systems and methods for tracing cables and cables for such systems and methods
US10539747B2 (en) 2017-12-05 2020-01-21 Corning Research & Development Corporation Bend induced light scattering fiber and cable assemblies and method of making
US10539758B2 (en) 2017-12-05 2020-01-21 Corning Research & Development Corporation Traceable fiber optic cable assembly with indication of polarity
JP2020144398A (en) * 2019-02-01 2020-09-10 岡野電線株式会社 Optical fiber cable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998012566A1 (en) * 1996-09-19 1998-03-26 Fincher William C Wire pair identification method
US20050052174A1 (en) * 2003-09-05 2005-03-10 Angelo Deborah A. Traceable patch cable and connector assembly and method for identifying patch cable ends
GB2406447A (en) * 2003-09-26 2005-03-30 Hellermanntyton Data Ltd A Patch Panel with sensing and indicating means
WO2005106899A1 (en) * 2004-04-29 2005-11-10 University Of Technology, Sydney An optically traceable transmission cable for transmitting data or electricity and a traceable conduit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998012566A1 (en) * 1996-09-19 1998-03-26 Fincher William C Wire pair identification method
US20050052174A1 (en) * 2003-09-05 2005-03-10 Angelo Deborah A. Traceable patch cable and connector assembly and method for identifying patch cable ends
GB2406447A (en) * 2003-09-26 2005-03-30 Hellermanntyton Data Ltd A Patch Panel with sensing and indicating means
WO2005106899A1 (en) * 2004-04-29 2005-11-10 University Of Technology, Sydney An optically traceable transmission cable for transmitting data or electricity and a traceable conduit

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012027345A3 (en) * 2010-08-23 2012-05-18 Commscope, Inc. Of North Carolina Conductive elements in cable jackets and separators
GB2494364A (en) * 2010-08-23 2013-03-06 Commscope Inc Conductive elements in cable jackets and separators
US8798419B2 (en) 2010-08-23 2014-08-05 Commscope, Inc. Of North Carolina Conductive elements in cable jackets and separators
US9076568B2 (en) 2010-08-23 2015-07-07 Commscope, Inc. Of North Carolina Conductive elements in cable jackets and separators
GB2494364B (en) * 2010-08-23 2017-06-07 Commscope Inc North Carolina Conductive elements in cable jackets and separators
US9671551B2 (en) 2012-02-13 2017-06-06 Corning Optical Communications LLC Visual tracer system for fiber optic cable
US9429731B2 (en) 2013-08-12 2016-08-30 Corning Optical Communications LLC Optical fiber cable assembly comprising optical tracer fiber
US10379309B2 (en) 2014-11-18 2019-08-13 Corning Optical Communications LLC Traceable optical fiber cable and filtered viewing device for enhanced traceability
US10228526B2 (en) 2015-03-31 2019-03-12 Corning Optical Communications LLC Traceable cable with side-emitting optical fiber and method of forming the same
US10101553B2 (en) 2015-05-20 2018-10-16 Corning Optical Communications LLC Traceable cable with side-emitting optical fiber and method of forming the same
US10338317B2 (en) 2015-07-17 2019-07-02 Corning Optical Communications LLC Systems and methods for traceable cables
US10534135B2 (en) 2015-07-17 2020-01-14 Corning Optical Communications LLC Systems and methods for tracing cables and cables for such systems and methods
US10101545B2 (en) 2015-10-30 2018-10-16 Corning Optical Communications LLC Traceable cable assembly and connector
US10185111B2 (en) 2016-04-08 2019-01-22 Corning Optical Communications LLC Traceable end point cable assembly
US10107983B2 (en) 2016-04-29 2018-10-23 Corning Optical Communications LLC Preferential mode coupling for enhanced traceable patch cord performance
US10222561B2 (en) 2016-12-21 2019-03-05 Corning Research & Development Corporation Light launch device for transmitting light into a traceable fiber optic cable assembly with tracing optical fibers
US10222560B2 (en) 2016-12-21 2019-03-05 Corning Research & Development Corporation Traceable fiber optic cable assembly with fiber guide and tracing optical fibers for carrying light received from a light launch device
US10545298B2 (en) 2016-12-21 2020-01-28 Corning Research & Development Corporation Traceable fiber optic cable assembly with illumination structure and tracing optical fibers for carrying light received from a light launch device
US10234614B2 (en) 2017-01-20 2019-03-19 Corning Research & Development Corporation Light source assemblies and systems and methods with mode homogenization
JP2018205664A (en) * 2017-06-09 2018-12-27 岡野電線株式会社 Fiber optic cable
US10539747B2 (en) 2017-12-05 2020-01-21 Corning Research & Development Corporation Bend induced light scattering fiber and cable assemblies and method of making
US10539758B2 (en) 2017-12-05 2020-01-21 Corning Research & Development Corporation Traceable fiber optic cable assembly with indication of polarity
JP2019066889A (en) * 2019-02-01 2019-04-25 岡野電線株式会社 Optical fiber cable
JP2020144398A (en) * 2019-02-01 2020-09-10 岡野電線株式会社 Optical fiber cable

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