WO2005072156A2 - Patch panel system - Google Patents
Patch panel system Download PDFInfo
- Publication number
- WO2005072156A2 WO2005072156A2 PCT/US2005/001318 US2005001318W WO2005072156A2 WO 2005072156 A2 WO2005072156 A2 WO 2005072156A2 US 2005001318 W US2005001318 W US 2005001318W WO 2005072156 A2 WO2005072156 A2 WO 2005072156A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- outlet
- tab
- patch panel
- patch
- screen
- Prior art date
Links
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
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
Definitions
- a drawback to the system of U.S. Patent 6,574,586 is that modifications must be made to the plug (i.e., the addition of an adapter jacket) and the outlet (i.e., the addition of the adapter board) to determine port connectivity.
- the adapter board requires additional space on the patch panel.
- existing commercially available patch cords do not include the adapter contact needed to engage the socket contact.
- Figure 1 depicts a patch cord for use in embodiments of the invention.
- Figure 2 depicts an exemplary patch panel system in an embodiment of the invention.
- Figures 3 A and 3B depict exemplary ports in embodiments of the invention.
- Figure 4 depicts an exemplary patch panel system in an alternate embodiment of the invention.
- Figure 5 depicts an exemplary patch panel system in an alternate embodiment of the invention.
- An embodiment of the invention is a patch panel system including a patch panel having a first outlet including a first conductive tab and a device having a second outlet including a second conductive tab.
- a patch cord has a first plug having a first screen for contacting the first tab and a second plug having a second screen for contacting the second tab.
- the patch cord includes a conductor electrically connecting the first screen and the second screen.
- An analyzer is electrically connected to the first tab and detects a connection between the first tab and the second tab along the conductor.
- FIG. 1 depicts an exemplary patch cord for use in embodiments of the invention.
- the patch cord 10 includes plugs 12 connected by cabling 14. Each plug includes metallic screen 16. In one embodiment, cabling 14 includes 8 copper wires corresponding to 4 twisted pairs.
- a conductor 18 connects the metallic screens 16 on the plugs 12. Conductor 18 may be a cable screen (e.g., braid or foil shield) or may be a single wire.
- the screened patch cord referred to as ScTP, is readily available and may be similar to the screened MC6TM patch cord available from The Siemon Company. Other shielded patch cords may be used such as fully shielded patch cords referenced in the art as FTP patch cords.
- Figure 2 depicts an exemplary patch panel system in an embodiment of the invention.
- Figure 2 depicts a telecommunications outlet 20 connected to a patch panel 22 by horizontal cabling.
- the patch panel 22 is connected to a device such as active equipment 24 which may be a server, a hub, a switch, etc.
- An analyzer 26 is connected to both the patch panel 22 and the active equipment 24 to perform port connectivity monitoring as disclosed herein.
- the connection between a port on patch panel 22 and analyzer 26 may be made through a data port on the back of the patch panel 22.
- FIG. 3A depicts exemplary outlets 32 and 34 which are part of patch panel 22 and active equipment 24, respectively.
- Outlet 32 includes a metal tab 36 on the interior of the outlet electrically connected to analyzer 26 by cable 37.
- outlet 34 includes a metal tab 38 on the interior of the outlet electrically connected to analyzer 26 by cable 39.
- the metal tab 38 on outlet 34 is not electrically connected to other outlets on the active equipment 24.
- patch cord 10 is mated to outlet 32
- the metal screen 16 contacts tab 36.
- patch cord 10 is mated to outlet 34
- screen 16 contacts tab 38.
- Analyzer 26 can then detect that outlet 32 on patch panel 22 is connected to outlet 34 on active equipment 24 through continuity testing. This system provides port-to-port connectivity information without significant additional hardware.
- outlets 34 on the active equipment 24 does not include a tab 38 wired directly to analyzer 26.
- outlets 34 include tabs 38, or more substantial screening or shielding, connected to ground.
- the ground plane is electrically connected across multiple outlets, individual outlets 34 on the active equipment 24 are not detected by the analyzer 26.
- port-to-port connectivity is not be determined by analyzer 26, however, a determination that a port on patch panel 22 is connected to a port on the active equipment 24 may be made by analyzer 26.
- the active equipment 24 includes outlets having a common ground plane contacting screen 16
- useful diagnostic information may still be obtained.
- a user having difficulty at telecommunications outlet 20 may contact service personnel to report a problem.
- the user will provide an identifier for the telecommunications outlet 20 and the technician determines from a database the corresponding outlet on patch panel 22.
- the technician can determine whether a port on patch panel 22 is connected to active equipment 24. If a port is connected, the tab 36 will be grounded due to electrical connection with ground plane of outlet 34.
- the analyzer 26 provides this information based on a signal level at tab 36.
- Figure 4 depicts an alternate embodiment in which port-to-port connectivity mapping is available, even if the active equipment 26 includes outlets electrically connected to a common ground plane.
- the embodiment of Figure 4 includes an additional device such as patch panel 23.
- Patch panel 22 and patch panel 23 include outlets such as outlet 32 shown in Figure 3 A. These outlets include electrically isolated tabs 36 that establish electrical contact with screen 16 on plugs 12.
- analyzer 26 detects which port on patch panel 22 is connected to which port on patch panel 23 through continuity testing.
- the connection between telecommunications outlet 20 and patch panel 22 is already defined in a system database as known in the art.
- the connection between ports on the active equipment 24 and patch panel 23 are defined in a system database as known in the art.
- Analyzer 26 uses the continuity data and the database information to determine port-to-port connectivity. By detecting the port- to-port connectivity between patch panel 22 and patch panel 23, an end-to-end path from the telecommunications outlet 20 to active equipment 24 is defined. This facilitates troubleshooting of user difficulties.
- a user having difficulty at telecommunications outlet 20 contacts service personnel to report a problem.
- service personnel can determine the nature of the problem.
- the status of ports can be checked remotely.
- a technician can be dispatched to service the equipment with the knowledge of exactly which ports on each of patch panel 22, patch panel 23 and active equipment 24 are involved.
- the above described embodiments provide determination of port-to-port connectivity ( Figures 3 A and 4) or determination that a patch panel port is connected to a port on the active equipment ( Figure 3B) while using readily available patch cords such as ScTP or FTP patch cords. No additional adapter boards are needed nor are adapter jackets needed on the plugs. This minimizes space required on racks in telecommunications rooms or data centers.
- These embodiments provide an intelligent patching system in either an interconnect or cross- connect configuration.
- Figure 5 depicts an alternate embodiment in which the ground path between the telecommunications outlet and the active equipment 24 is intemrpted in at least one location by a decoupling capacitor 42.
- the ground path from telecommunications outlet 20 is connected to ground 40, and then to the metal tab 36 on outlet 32 through decoupling capacitor 42.
- Decoupling capacitor 42 is embedded in a patch panel or termination block ports and isolates incoming versus outgoing signals transmitted over the screen on ScTP or FTP patch cords.
- DC isolation of each port maintains a proper ground path, yet enables continuity tracking using the screen or foil of the patch cord, thereby enabling use of lower cost screened (ScTP) or fully shielded (FTP) modular patch cords.
- the decoupling capacitor may be used without analyzer 26 to provide advantages in standard ScTP and FTP physical layer cabling systems.
- the DC isolation prevents shield cunent ground loops as caused by connection to equipment in different parts of a building that may be at different ground potentials.
- decoupling capacitor in physical layer ports allows use of the screen in ScTP or FTP systems for both effective grounding of the physical layer and sensing continuity between ports.
- Use of a decoupling capacitor to isolate incoming from outgoing connections provides DC isolation.
- One embodiment of the sensing method for LAN equipment is the use of the common ground of the power strip that the LAN equipment is plugged into to complete a circuit and sense connections between LAN equipment and the physical layer.
- Embodiments have been described with respect to copper connectors having eight contacts such as the RJ-45 type connector. It is understood that other types of wire patch cords (e.g., coaxial cable) having a screen or shield may be used to detect port connectivity as disclosed herein. Furthermore, non-wire patch cords (e.g., fiber optic connectors) may include a metallic conductor and be used to detect port connectivity as disclosed herein.
- wire patch cords e.g., coaxial cable
- non-wire patch cords e.g., fiber optic connectors
- non-wire patch cords may include a metallic conductor and be used to detect port connectivity as disclosed herein.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structure Of Telephone Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53794604P | 2004-01-20 | 2004-01-20 | |
US60/537,946 | 2004-01-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005072156A2 true WO2005072156A2 (en) | 2005-08-11 |
WO2005072156A3 WO2005072156A3 (en) | 2006-09-28 |
Family
ID=34825952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/001318 WO2005072156A2 (en) | 2004-01-20 | 2005-01-18 | Patch panel system |
Country Status (3)
Country | Link |
---|---|
US (1) | US7193422B2 (en) |
TW (1) | TW200605454A (en) |
WO (1) | WO2005072156A2 (en) |
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US7969320B2 (en) | 2005-08-08 | 2011-06-28 | Panduit Corp. | Systems and methods for detecting a patch cord end connection |
US8128428B2 (en) | 2009-02-19 | 2012-03-06 | Panduit Corp. | Cross connect patch guidance system |
US8267706B2 (en) | 2008-11-12 | 2012-09-18 | Panduit Corp. | Patch cord with insertion detection and light illumination capabilities |
US8306935B2 (en) | 2008-12-22 | 2012-11-06 | Panduit Corp. | Physical infrastructure management system |
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US8477031B2 (en) | 2007-10-19 | 2013-07-02 | Panduit Corp. | Communication port identification system |
US9049499B2 (en) | 2005-08-26 | 2015-06-02 | Panduit Corp. | Patch field documentation and revision systems |
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US10516580B2 (en) | 2008-12-22 | 2019-12-24 | Panduit Corp. | Physical infrastructure management system |
US8382511B2 (en) | 2009-02-19 | 2013-02-26 | Panduit Corp. | Cross connect patch guidance system |
US8721360B2 (en) | 2009-02-19 | 2014-05-13 | Panduit Corp. | Methods for patch cord guidance |
US8128428B2 (en) | 2009-02-19 | 2012-03-06 | Panduit Corp. | Cross connect patch guidance system |
Also Published As
Publication number | Publication date |
---|---|
US7193422B2 (en) | 2007-03-20 |
TW200605454A (en) | 2006-02-01 |
US20050186819A1 (en) | 2005-08-25 |
WO2005072156A3 (en) | 2006-09-28 |
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