GB2236398A - Self documenting patch panel - Google Patents

Self documenting patch panel Download PDF

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Publication number
GB2236398A
GB2236398A GB8922025A GB8922025A GB2236398A GB 2236398 A GB2236398 A GB 2236398A GB 8922025 A GB8922025 A GB 8922025A GB 8922025 A GB8922025 A GB 8922025A GB 2236398 A GB2236398 A GB 2236398A
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GB
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Application
Patent type
Prior art keywords
polling
output
ports
patch
input
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.)
Withdrawn
Application number
GB8922025A
Other versions
GB8922025D0 (en )
Inventor
James Alexander Carter
David Jeffery Carter
Original Assignee
James Alexander Carter
David Jeffery Carter
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

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/02Testing of electric apparatus, lines or components, for short-circuits, discontinuities, leakage of current, or incorrect line connection
    • G01R31/021Testing of cables or conductors
    • G01R31/023Identification of wires in a multicore cable
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements for establishing connections among stations for the purpose of transferring information via these connections
    • H04Q1/02Constructional details
    • H04Q1/13Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules
    • H04Q1/135Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules characterized by patch cord details
    • H04Q1/136Patch 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

Abstract

In a method for documenting the connections (6) between input and output ports (4,5) of a patch panel (1) wherein each port has a polling terminal (9, 10) associated with it, a polling signal is sent (7) in turn to each of the input polling terminals (9) of the input ports, and the output ports whose polling terminals (10) receive the signal are identified (8, 17, 14) as being connected to that input port. The sending circuitry (7) includes serial parallel shift registers (18 Fig 2 not shown) and the receiving circuitry (8) includes parallel to serial shift registers (19). <IMAGE>

Description

Self Documenting Patch Panel This invention relates to patch panels.

A patch panel (distribution frame or wiring frame) is used in wiring systems to enable changes to the wiring to be made easily. A patch panel consists of two groups of ports, which may be a group of input ports and a group of output ports, for example. For a connection to be made between an input port and an output port a patch lead is used to join the two ports.

Designers of wiring systems are making more frequent use of patch panels; and patch panels, particularly in modern office blocks, are becoming larger and more complex. At present, the connections made through a patch panel are documented manually. This documentation is therefore time consuming, and liable to be inaccurate and/or out of date.

It is an object of the present invention to provide a method and apparatus for automatically documenting the connections made on a patch panel. This enables the precise paths of all cables to be known, aids fault diagnosis and could automatically point out capacity problems in the cabling system.

Viewed from one aspect, the invention provides a method of documenting the connections made between a first set of ports and a second set of ports <RTI>ofva</RTI> patch panel, comprising the steps of: providing each of the first set of ports with an input polling terminal, providing each of the second set of ports with an output polling terminal, connecting an input polling terminal. to an output polling terminal when the corresponding port of the first set of ports is connected to the corresponding port of the second set of ports, sending a polling signal to each of the input polling terminals in turn1 detecting at which output polling terminal(s) the polling signal is received, and associating each port of the second set of ports having a so-detected output polling terminal with the port of the first set of ports having the input polling terminal polled.The first and second sets of ports may be input and output ports of the patch panel, respectively, or vice versa, for example.

Preferably, a polling signal is sent to each of the input polling terminals in turn, <RTI>an,</RTI> after each signal is sent, all of the outputs of the output polling terminals are read to detect whether they have received the polling signal.

Preferably the polling signal is produced at each input polling terminal by connecting each input polling terminal to a respective output of a serial-to-parallel shift register and clocking a logical pulse across each output of the serial-to-parallel shift register in turn.

Preferably also, the output polling terminals receiving the polling signal are detected by connecting each of the output polling terminals to a respective input of a parallel-to-serial shift register, loading the inputs from the output polling terminals onto the parallel-toserial shift register, clocking the loaded inputs along the register until they reach the output of the register, and noting the number of clock pulses taken for a logical pulse to reach this output.

Further preferably, the sending of the polling signal, the detection of the polling signal and the association of the ports of the first set of ports with the ports <RTI>o</RTI> the second set of ports is controlled by a microprocessor.

The above method may also be used for documenting the connections made between the ports of each patch panel in a system of patch panels, wherein an overall controller polls each patch panel in turn, each polled patch panel then documenting the connections made between its ports using the above method and sending this information to the controller.

Viewed from a second aspect the invention provides a patch panel comprising a first set of ports and a second set of ports adapted for connection with each other by connection means, an input polling terminal associated with each port of the first set of ports, an output polling terminal associated with each port of the second set of ports, polling means for sending a polling signal to each input polling terminal, receiving means for detecting at which output polling terminals the polling signal is received, and identification means for identifying the association of each port corresponding to the so-detected output polling terminals with the port corresponding to the polled input terminal.

In use, connection means are used to connect ports of the first set each with one or more ports of the second set and the connection means simultaneously connects the corresponding input and output polling terminals.

Preferably, the polling means comprises a serial-toparallel shift register the outputs of which are connected to the input polling terminals, means being provided for clocking a logical pulse across each output of the serial-to-parallel shift register in turn.

Preferably also, the receiving means comprises a parallel-to-serial shift register, the inputs of which are connected to the output polling terminals, loading means for loading the input from the output polling terminals onto the parallel-to-serial shift register, clocking means for clocking the loaded inputs along the register until they reach the output of the register, and counting means for counting the number of clock pulses taken for a logical pulse to reach the output of the parallel-to-serial shift register.

Further preferably, the identification means comprises a microprocessor which also controls the polling means and receiving means.

The above apparatus may also be used in a wiring system comprising a number of the above described patch panels, wherein an overall controller is provided for polling each of the patch panels in the system, and for receiving the information as to the connections between the first and second sets of ports of the patch panels.

An embodiment of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which: Figure 1 is a schematic block diagram of a system according to the invention; and Figure 2 is a more detailed block diagram.

A patch panel 1 comprises a panel 2 for mounting a set of ports such as input port 4, and a panel 3 for mounting a set of ports such as output port 5. An example patch lead 6 is shown connecting input port 4 to output port 5.

Included in the patch panel are polling circuitry 7 and receiving circuitry 8 which are used to determine the input and output port connections. Besides having the usual terminals, each port on the patch panel has an additional terminal 9 or 10. Each additional terminal 9 on the input side of the patch panel is wired to a unique output 11 of the polling circuitry 7. Each additional terminal 10 on the output side of the patch panel is wired to a unique input 12 of the receiving circuitry 8. Each patch lead has an additional conductor 13, which connects a unique pair of these terminals when it connects an input port to an output port. Hence, a unique pair of inputs and outputs of the polling and receiving circuitry are connected via the patch lead.

The connections made on the patch panel can be identified by the polling circuitry sequentially polling each input port and detecting whether a response is received by the receiving circuitry. The data can then be sent to a central database in an overall controller 14 via a modem or line driver 16. The controller 14 also collates information from other patch panels in the system, 15. The controller, which may be a standard computer using commercially available software, can then provide the required management reports on the patch panel connections.

Fig. 2 shows the patch panel polling circuitry, which consists principally of serial-to-parallel shift registers 18, and the receiving circuitry 8, which consists principally of parallel-to-serial shift registers 19. The microprocessor 17 controls the polling and sends the results to the overall controller via a modem or line driver 16. The outputs of the serial-to-parallel shift registers 18 are connected to the additional terminals 9 of the input ports 4 of the patch panel 1. The inputs of the parallel-to-serial shift registers 19 are connected to the additional terminals 10 of the output ports 5 of the patch panel 1.

The example patch lead 6 connects output port 4 of the second serial-to-parallel shift register to input port 7 of the first parallel-to-serial shift register 19.

Each patch panel is given a unique address which is set by a switch 21.

The overall controller 14 contains a record of the input/output port connections of all of the patch panels. Where no connection exists for an input port 4 then this should also be denoted, e.g. by zeros. It should be noted that a port on the input side of the patch panel may be connected to more than one port on the output side of the patch panel. An example record is shown in Table 1.

Patch Panel "27" Port (Input Side) Port (Output Side) 001 007 002 100 003 512, 027 004 000 775 531 TABLE 1 The database in the overall controller 14 will hold this information for each patch panel in the system.

When the database is to be updated, the controller 14 polls each patch panel 1 in'turn. When a patch panel is polled the patch panel's microprocessor 17 interrogates the patch panel 1. To do this, the microprocessor 17 loads a logical one into the first bit of the first serial-to-parallel shift register 18. This allows connections to input port one of the input side of the patch panel to be determined.

The microprocessor 17 instructs a load of all the inputs from the output polling terminals to the parallel-toserial shift registers 19 by activating a strobe signal on line 22. The microprocessor 17 then shifts the data out of the registers 19 by a clock pulse on line 23 and samples it for logical ones, via line 24. The number of clock signals required to receive each logical one is recorded and each number is related directly to the port number of each of the output ports to which input port one is connected.

The microprocessor 17 sends the results for port one to the controller 14. The controller 14 then stores the data in the appropriate file for the patch panel 1.

The microprocessor now clocks the serial-to-parallel registers 18 via line 25 so that the logical one is moved to the second output port of the shift register 18 to enable connections for input port two to be tested.

The process then continues as for input port one.

The process is repeated as above for all other outputs of the serial-to-parallel shift registers 18.

The controller 14 then polls all the other patch panels in the system.

To facilitate error checking of the patch panel electronics, on either the input or the output side of the patch panel, the microprocessor should check that a logical one is received back on line 24 or 26, as appropriate, after the correct number of clock cycles.

For the purposes of checking the output side electronics a test signal is provided on line 27.

Although the patch panel has been described as having a set of input and output ports, it will be appreciated that information may flow in either direction between the ports. Also, the input polling-terminals and output polling terminals could be on the output ports and input ports respectively, instead of, as described, on the input ports and output ports respectively.

Claims (15)

Claims:
1. A method for documenting the connections made between a first set of ports and a second set of ports of a patch panel, comprising the steps of: providing each of the first set of ports with an input polling terminal, providing each of the second set of ports with an output polling terminal, connecting an input polling terminal to an output polling terminal when the corresponding port of the first set of ports is connected to the corresponding port of the second set of ports, sending a polling signal to each of the input polling terminals in turn, detecting at which output polling terminal(s) the polling signal is received, and associating each port of the second set of ports having a so-detected output polling terminal with the port of the first set of ports having the input polling terminal polled.
2. A method as claimed in claim 1, wherein said first set of ports are input ports and said second set of ports are output ports.
3. A method as claimed in claim 1 or 2, wherein a polling signal is sent to each of the input polling terminals in turn, and, after each signal is sent, all of the outputs of the output polling terminals are read to detect whether they have received the polling signal.
4. A method as claimed in claim 1, 2 or 3, wherein the polling signal is produced at each input polling terminal by connecting each input polling terminal to a respective output of a serial-to-parallel shift register and clocking a logical pulse across each output of the serial-to-parallel shift register in turn.
5. A method as claimed in any preceding claim, wherein the output polling terminals receiving the polling signal are detected by connecting each of the output polling terminals to a respective input of a parallelto-serial shift register, loading the inputs from the output polling terminals onto the parallel-to-serial shift register, clocking the loaded inputs along the register until they reach the output of the register, and noting the number of clock pulses taken for a logical pulse to reach this output.
6. A method as claimed in any preceding claim, wherein the sending of the polling signal, the detection of the polling signal and the association of the ports of the first set of ports with the ports of the second set of ports is controlled by a microprocessor.
7. A patch panel comprising a first set of ports and a second set of ports adapted for connection with each other by connection means, an input polling terminal associated with each port of the first set of ports, an output polling terminal associated with each port of the second set of ports, polling means for sending a polling signal to each input polling terminal, receiving means for detecting at which output polling terminals the polling signal is received, and identification means for identifying the association of each port corresponding to the so-detected output polling terminals with the port corresponding to the polled input terminal.
8. A patch panel as claimed in claim 7, wherein the polling means comprises a serial-to-parallel shift register the outputs of which are connected to the input polling terminals, means being provided for clocking a logical pulse across each output of the serial-toparallel shift register in turn.
9. A patch panel as claimed in claim 7 or 8, wherein the receiving means comprises a parallel-to-serial shift register, the inputs of which are connected to the output polling terminals, loading means for loading the input from the output polling terminals onto the parallel-to-serial shift register, clocking means for clocking the loaded inputs along the register until they reach the output of the register, and counting means for counting the number of clock pulses taken for a logical pulse to reach the output of the parallel-to-serial shift register.
10. A patch panel as claimed in claim 7, 8 or 9, wherein the identification means comprises a microprocessor which also controls the polling means and receiving means.
11. A wiring system, comprising a plurality of patch panels according to any of claims 7 to 10.
12. A wiring system as claimed in claim 11, wherein an overall controller is provided for polling each of the patch panels in the system, and for receiving the information as to the connections between the first and second sets of ports of the patch panels.
13. A method of documenting the connections made between a first set of ports and a second set of ports of a patch panel, substantially as herein described with reference to the accompanying drawings.
14. A patch panel, substantially as herein described with reference to the accompanying drawings.
15. A wiring system, substantially as herein described with reference to the accompanying drawings.
GB8922025A 1989-09-29 1989-09-29 Self documenting patch panel Withdrawn GB8922025D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8922025A GB8922025D0 (en) 1989-09-29 1989-09-29 Self documenting patch panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8922025A GB8922025D0 (en) 1989-09-29 1989-09-29 Self documenting patch panel

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GB8922025D0 GB8922025D0 (en) 1989-11-15
GB2236398A true true GB2236398A (en) 1991-04-03

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Cited By (47)

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Publication number Priority date Publication date Assignee Title
FR2680067A1 (en) * 1991-08-01 1993-02-05 Cit Alcatel Method of monitoring a line distributor; auxiliary cable, connector and distributor for implementing this method
EP0575100A1 (en) * 1992-06-10 1993-12-22 Rit Technologies Ltd. Patching panel scanner
WO1994019702A1 (en) * 1993-02-25 1994-09-01 Adc Telecommunications, Inc. Patch cord
FR2717336A1 (en) * 1994-03-14 1995-09-15 Blaszczyk Jean Francois Transmission cable test apparatus e.g. for telephone
US5483467A (en) * 1992-06-10 1996-01-09 Rit Technologies, Ltd. Patching panel scanner
GB2319089A (en) * 1996-10-28 1998-05-13 Air Studios Apparatus and method for storing and recalling patch bay connections
WO1998032249A2 (en) * 1997-01-18 1998-07-23 Cla-Son Leasing Und Holding Gmbh Component-recognition and management system for optical networks
US5854824A (en) * 1994-09-04 1998-12-29 Rit Technologies Ltd. Connectivity scanner
WO1999022459A1 (en) * 1997-10-25 1999-05-06 Nokia Networks Oy Protection switching system
EP0917377A2 (en) * 1997-11-11 1999-05-19 Siemens Aktiengesellschaft Method for managing and documentation of contact points of a wiring network
WO1999026426A1 (en) * 1997-11-17 1999-05-27 Adc Telecommunications, Inc. System and method for electronically identifying connections of a cross-connect system
WO2000039959A2 (en) * 1998-12-24 2000-07-06 Bb-Data Gesellschaft Für Informations- Und Kommunikationssysteme Mbh Method for localizing a cable in a data transmission network
GB2348287A (en) * 1999-02-10 2000-09-27 Lucent Technologies Inc Remote monitoring of the status of a telecommunications patch system
WO2002042784A1 (en) * 2000-11-22 2002-05-30 Panduit Corp. Network revision system with probe
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US6493319B1 (en) 1997-12-24 2002-12-10 Adc Telecommunications, Inc. Test access system and method for digital communication networks
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US7028087B2 (en) 2001-02-23 2006-04-11 Panduit Corp. Network documentation system with electronic modules
US7038918B2 (en) 2004-03-03 2006-05-02 Hubbell Incorporated Midspan patch panel with compensation circuit for data terminal equipment, power insertion and data collection
US7057899B2 (en) 2004-03-03 2006-06-06 Hubbell Incorporated Midspan patch panel with circuit separation for data terminal equipment, power insertion and data collection
US7297018B2 (en) 2004-11-03 2007-11-20 Panduit Corp. Method and apparatus for patch panel patch cord documentation and revision
US7301780B2 (en) 2004-03-03 2007-11-27 Hubbell Incorporated Midspan patch panel with circuit separation for data terminal equipment, power insertion and data collection
US20100008482A1 (en) * 2008-07-08 2010-01-14 Commscope, Inc. Of North Carolina Systems and methods of identifying connections in a communications patching system using common-mode channel signal transmissions
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US7756047B2 (en) 2005-05-19 2010-07-13 Panduit Corp. Method and apparatus for documenting network paths
US7768418B2 (en) 2005-12-06 2010-08-03 Panduit Corp. Power patch panel with guided MAC capability
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US7978845B2 (en) 2005-09-28 2011-07-12 Panduit Corp. Powered patch panel
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
US8325770B2 (en) 2003-08-06 2012-12-04 Panduit Corp. Network managed device installation and provisioning technique
US8477031B2 (en) 2007-10-19 2013-07-02 Panduit Corp. Communication port identification system
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US8696369B2 (en) 2010-09-09 2014-04-15 Adc Telecommunications, Inc. Electrical plug with main contacts and retractable secondary contacts
US8897637B2 (en) 2009-04-22 2014-11-25 Adc Gmbh Method and arrangement for identifying at least one object
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US8992261B2 (en) 2010-10-22 2015-03-31 Adc Telecommunications, Inc. Single-piece plug nose with multiple contact sets
US8991690B2 (en) 2012-11-16 2015-03-31 Tyco Electronics Uk Ltd. System and method for providing power and communication link for RFID managed connectivity using removable module
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Cited By (90)

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Publication number Priority date Publication date Assignee Title
FR2680067A1 (en) * 1991-08-01 1993-02-05 Cit Alcatel Method of monitoring a line distributor; auxiliary cable, connector and distributor for implementing this method
EP0575100A1 (en) * 1992-06-10 1993-12-22 Rit Technologies Ltd. Patching panel scanner
US5483467A (en) * 1992-06-10 1996-01-09 Rit Technologies, Ltd. Patching panel scanner
WO1994019702A1 (en) * 1993-02-25 1994-09-01 Adc Telecommunications, Inc. Patch cord
FR2717336A1 (en) * 1994-03-14 1995-09-15 Blaszczyk Jean Francois Transmission cable test apparatus e.g. for telephone
US5854824A (en) * 1994-09-04 1998-12-29 Rit Technologies Ltd. Connectivity scanner
GB2319089A (en) * 1996-10-28 1998-05-13 Air Studios Apparatus and method for storing and recalling patch bay connections
WO1998032249A2 (en) * 1997-01-18 1998-07-23 Cla-Son Leasing Und Holding Gmbh Component-recognition and management system for optical networks
WO1998032249A3 (en) * 1997-01-18 1998-09-11 Cla Son Leasing Und Holding Gm Component-recognition and management system for optical networks
WO1999022459A1 (en) * 1997-10-25 1999-05-06 Nokia Networks Oy Protection switching system
EP0917377A3 (en) * 1997-11-11 2001-12-12 Siemens Aktiengesellschaft Method for managing and documentation of contact points of a wiring network
EP0917377A2 (en) * 1997-11-11 1999-05-19 Siemens Aktiengesellschaft Method for managing and documentation of contact points of a wiring network
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WO1999026426A1 (en) * 1997-11-17 1999-05-27 Adc Telecommunications, Inc. System and method for electronically identifying connections of a cross-connect system
US6421322B1 (en) 1997-11-17 2002-07-16 Adc Telecommunications, Inc. System and method for electronically identifying connections of a cross-connect system
US9742633B2 (en) 1997-11-17 2017-08-22 Commscope Technologies Llc System and method for electronically identifying connections of a system used to make connections
US6493319B1 (en) 1997-12-24 2002-12-10 Adc Telecommunications, Inc. Test access system and method for digital communication networks
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US6657966B1 (en) 1998-12-23 2003-12-02 Adc Telecommunications, Inc. Test access system and method for digital cross connect communication networks
WO2000039959A2 (en) * 1998-12-24 2000-07-06 Bb-Data Gesellschaft Für Informations- Und Kommunikationssysteme Mbh Method for localizing a cable in a data transmission network
WO2000039959A3 (en) * 1998-12-24 2000-11-16 Bb Data Inf & Komm Syst Gmbh Method for localizing a cable in a data transmission network
US6522737B1 (en) 1999-02-10 2003-02-18 Avaya Technology Corp. System and method of operation for a telecommunications patch system
GB2348287B (en) * 1999-02-10 2002-10-30 Lucent Technologies Inc System and method of operation for a telecommunications patch system
GB2348287A (en) * 1999-02-10 2000-09-27 Lucent Technologies Inc Remote monitoring of the status of a telecommunications patch system
WO2002042784A1 (en) * 2000-11-22 2002-05-30 Panduit Corp. Network revision system with probe
US7370106B2 (en) 2000-11-22 2008-05-06 Panduit Corp. Network revision system with local system ports
US7028087B2 (en) 2001-02-23 2006-04-11 Panduit Corp. Network documentation system with electronic modules
US7656903B2 (en) 2002-01-30 2010-02-02 Panduit Corp. System and methods for documenting networks with electronic modules
US8325770B2 (en) 2003-08-06 2012-12-04 Panduit Corp. Network managed device installation and provisioning technique
US7301780B2 (en) 2004-03-03 2007-11-27 Hubbell Incorporated Midspan patch panel with circuit separation for data terminal equipment, power insertion and data collection
US7038918B2 (en) 2004-03-03 2006-05-02 Hubbell Incorporated Midspan patch panel with compensation circuit for data terminal equipment, power insertion and data collection
US7057899B2 (en) 2004-03-03 2006-06-06 Hubbell Incorporated Midspan patch panel with circuit separation for data terminal equipment, power insertion and data collection
US7297018B2 (en) 2004-11-03 2007-11-20 Panduit Corp. Method and apparatus for patch panel patch cord documentation and revision
US7756047B2 (en) 2005-05-19 2010-07-13 Panduit Corp. Method and apparatus for documenting network paths
US8482421B2 (en) 2005-08-08 2013-07-09 Panduit Corp. Systems and methods for detecting a patch cord end connection
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