WO2014009464A1 - Lecture, alimentée par rfid, d'un dispositif de stockage électronique basé sur un contact, dans un système plm - Google Patents

Lecture, alimentée par rfid, d'un dispositif de stockage électronique basé sur un contact, dans un système plm Download PDF

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Publication number
WO2014009464A1
WO2014009464A1 PCT/EP2013/064671 EP2013064671W WO2014009464A1 WO 2014009464 A1 WO2014009464 A1 WO 2014009464A1 EP 2013064671 W EP2013064671 W EP 2013064671W WO 2014009464 A1 WO2014009464 A1 WO 2014009464A1
Authority
WO
WIPO (PCT)
Prior art keywords
rfid
rfid tag
storage device
electronic storage
adapter
Prior art date
Application number
PCT/EP2013/064671
Other languages
English (en)
Inventor
Kristof Johan JEURIS
David Mather
Ian Miles Standish
Original Assignee
Tyco Electronics Raychem Bvba
Tyco Electronics Uk Ltd.
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 Tyco Electronics Raychem Bvba, Tyco Electronics Uk Ltd. filed Critical Tyco Electronics Raychem Bvba
Publication of WO2014009464A1 publication Critical patent/WO2014009464A1/fr

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Classifications

    • 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
    • H04Q1/138—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 using RFID

Definitions

  • PLM physical layer management
  • RFID radio frequency identification
  • RFI D PLM systems are typically used within an enterprise or a central office environment. As a result, such RFI D PLM systems typically have convenient access to power for the active components of the RFID PLM. However, this is not always the case in the outside plant of a telecommunications network, where access to power is typically an issue. Consequently, such RFI D PLM systems have not typically been used in the outside plant.
  • RFID PLM technology it is common to integrate RFID antennas into the structure of the system near the ports in the system. This done in order to read RFID tags that are attached to connectors inserted into the ports. However, this approach typically requires a wired electrical connection between each of the RFID antennas and an RFID reader. This increases the cost and complexity of implementing such a system.
  • FIGS. 1A-1D are block diagrams of an exemplary embodiment of a fiber adapter.
  • FIG. 2 is a flow diagram of one exemplary embodiment of a method of reading data from an RFID tag and electronic storage device.
  • FIG. 3 is a block diagram of an exemplary embodiment of an RFID tag suitable for use in the adapter shown in FIG. 1.
  • FIGS. 1A-1D are block diagrams of an exemplary embodiment of an apparatus 100.
  • FIGS. 1A-1D are collectively referred to here as "FIG. 1".
  • the apparatus 100 is a fiber adapter 100 (though it is to be understood that the apparatus can be implemented in other ways).
  • the adapter 100 is configured to mate with the connector 108 attached to one end of the patch cord 106 and to hold it in place while it is optically coupled to the fixed optical cable 110 that is attached to the adapter 100.
  • fiber optic adapters 100 and connectors 108 that can be used include SC, LC, FC, LX.5, MTP, or MPO adapters and connectors. Other adapters and connectors can also be used.
  • the RFID tag 112 comprises an RFI D antenna circuit 114 (shown in FIG. ID) and an RFID integrated circuit (IC) 116 (shown in FIG. ID).
  • RFI D antenna circuit 114 shown in FIG. ID
  • IC RFID integrated circuit
  • the RFID reader 118 can be implemented in many ways.
  • the RFID reader 118 can be implemented using a handheld device that includes appropriate RFI D reader functionality.
  • the handheld device can be a smartphone, PDA, or a handheld computer that is outfitted with RFID reader functionality.
  • the RFI D reader 118 is also configured to communicate with a larger physical layer management (PLM) system 136 that is used to track connections made in the network that the adapter 100 is a part of.
  • PLM physical layer management
  • the RFID reader 118 can communicate with the PLM system 136 wirelessly (for example, over a cellular or wireless local area network link) or over a wired connection (for example, by connecting the RFID reader 118 to a network to which the PLM system 136 is connected or by connecting the RFID reader 118 directly to the PLM system 136).
  • the connector 108 attached to one end of the patch cord 106 has an electronic storage device 122 attached to it.
  • the electronic storage device 122 is used to store an identifier for the patch cord 106 and/or the connector 108.
  • the electronic storage device 122 can also be used to store other information, such as other information about the patch cord 106 and/or the connector 108 (for example, the make and/or model of the patch cord 106 and/or the connector 108).
  • the electronic storage device 122 can be implemented using, for example, an Electrically Erasable
  • EEPROM Electrically Programmable Read-Only Memory
  • the electronic storage device 122 comprises an interface 124 by which power is provided to the electronic storage device 122 and data is read from and written to the electronic storage device 122.
  • the storage device interface 124 comprises a set of contacts 126 (for example, a power contact for supplying power to the electronic storage device 122, a ground contact for supplying a ground to the electronic storage device 122, and a serial data contact for communicating data to and from the electronic storage device 122 using a serial bus protocol such as the UNI/O bus protocol).
  • the electronic storage device 122 and the interface 124 are implemented using the QUAREO(TM) electronic identifier technology commercially available from TE Connectivity.
  • the electronic storage device 122 and the interface 124 can be implemented in other ways.
  • the RFID tag 112 is configured to provide power and ground to the electronic storage device 122 attached to any connector 108 connected to the adapter 100 as wells as to read data from and/or write data to the electronic storage device 122.
  • the adapter 100 comprises an electronic storage device interface 128 that is configured to couple the RFID tag 112 (and the controller 120) to the electronic storage device 122 attached to any connector 108 connected to the adapter 100.
  • the electronic storage device interface 128 comprises a set of contacts 130 that corresponds to the set of contacts 126 used on the connector 108 (for example, including power, ground, and serial data contacts).
  • Each contact 130 is configured to come into physical contact with a corresponding contact 126 used on the connector 108 and create an electrical connection therebetween. As shown in FIG. IB, in this exemplary embodiment, the contacts 130 extend into the cavity into which the connector 106 is inserted and are arranged to touch the corresponding contacts 126 on the exterior of the connector 106.
  • power and ground are supplied to the electronic storage device 122 on the connector 108 from the RFID IC 116 via appropriate contacts 130 and 126. That is, in this embodiment, the electronic storage device 122 is powered using the power captured by the RFID IC 116 from the RF interrogation signal supplied by the RFID reader 118. Also, in this exemplary embodiment, data can be read from the electronic storage device 122 on the connector 108 by the controller 120 included in the RFID tag 112 via appropriate contacts 130 and 126. The data that is read from the electronic storage device 122 on the connector 108 can be communicated to the RFID reader 118 along with data otherwise stored in the RFID tag 112.
  • data can be written to the electronic storage device 122 on the connector 108 by the controller 120 included in the RFID tag 112 via appropriate contacts 130 and 126.
  • Data provided to the RFID tag 112 from the RFID reader 118 can be written to the electronic storage device 122 by the controller 112.
  • the RFID tag 112 can also include a visual indicator 132.
  • the controller 120 can use the visual indicator 132 to provide a visual indication to a user (for example, to indicate that the RFID tag 112 has been powered on or to indicate that the RFID tag 112 is the one indicated in a command transmitted by the RFID reader 118).
  • the visual indicator 132 is implemented using at least one LED 134.
  • the LED 134 is powered using the power captured by the RFID IC 116 from the RFID interrogation signal supplied by the RFID reader 118, and the illumination of the LED 134 is controlled by the controller 120.
  • the electronic storage device interface 128 and visual indicator 132 are shown as being separate from the RFID IC 106, it is to be understood that the electronic storage device interface 128 and/or visual indicator 132 can be integrated into the RFID IC 106 and/or into one or more other RFID ICs.
  • the RFID reader 118 encodes a command onto the RF interrogation signal it broadcasts that indicates that any RFID tag 112 receiving the RF signal should respond by transmitting at least some of the information stored in the RFID tag 112 back to the RFID reader 118.
  • the transmitted information typically includes a unique identifier for that RFID tag 112 (also referred to here as the "tag identifier").
  • the RFID reader 118 encodes onto the RF interrogation signal it broadcasts a command that includes the tag identifier for a specific RFID tag 112.
  • the command indicates that any RFID tag 112 receiving the RF interrogation signal should check the tag identifier included in the command to see if that identifier matches the tag identifier for the receiving RFID tag 112. If they match, the RFID tag 112 responds by transmitting at least some of the information stored in that RFID tag 112 back to the RFID reader 118. If the tag identifier included in the command does not match the tag identifier for the receiving RFID tag 112, the receiving RFID tag 112 does not respond to the command.
  • FIG. 2 is a flow diagram of one exemplary embodiment of a method of reading data from an RFID tag and electronic storage device.
  • the exemplary embodiment of method 200 is described here as being implemented using the adapter 100 shown in FIG. 1, though it is to be understood that other embodiments can be implemented in other ways.
  • Method 200 comprises interrogating the RFID tag 112 (block 202).
  • the RFID tag 112 is interrogated by bringing the RFID reader 118 into close proximity (for example, within a few inches) of the adapter 100 (and the RFID tag 112 attached thereto). Then, the RFID reader 118 is used to interrogate the RFID tag 112 by transmitting an RF interrogation signal at a frequency to which the antenna circuit 114 of the RFID tag 112 is tuned.
  • the power coupling between the RFID reader 118 and the RFID tag 112 occurs mainly via direct induction, which enables significant amounts of energy to be coupled into the antenna circuit 114 of the RFID tag 112. This enables the RFID IC 116 to supply sufficient power to, for example, power the LED 134 and the electronic storage device 122.
  • Demodulator functionality in the RFID IC 116 demodulates the information encoded onto the RF interrogation signal received at the RFID tag 112 from the RFID reader 118, and the RFID IC 116 responds to the encoded information if necessary.
  • the RFID IC 116 proceeds to respond to the command as described below. If the encoded information includes a targeted command, the RFID IC 116 checks the tag identifier included in the targeted command. If the tag identifier included in the command matches the tag identifier for that RFID tag 112, the RFID IC 116 proceeds to respond to the command as described below. If the tag identifier included in the command does not match the tag identifier for that RFID tag 112, the RFID IC 116 does not respond to the command and the processing associated with blocks 206 through 210 is not performed for this command.
  • Method 200 further comprises reading the electronic storage device 122 (block 206).
  • the controller 120 uses the electronic storage device interface 128 to power the electronic storage device 122 by providing power to the electronic storage device 122 over a power contact 126 and reading information from the electronic storage device 122 using a data contact 126.
  • the controller 120 reads all of the data stored in the electronic storage device 122.
  • the controller 120 can be configured to read only certain information from the electronic storage device 122 (for example, information specified in the command received from the RFID reader 118).
  • the information read from the electronic storage device 122 is also referred to here as "electronic storage device information".
  • the electronic storage device information includes a unique identifier for the patch cord 106 and/or connector 108.
  • the electronic storage device information can also include other information such as the make and model of the patch cord 106 and/or connector 108.
  • Method 200 further comprises transmitting a response to the RFID reader 118 that includes at least some of the information read from the electronic storage device 122 by the RFID tag 112 (block 208).
  • the controller 120 in the RFID IC 116 transmits a response to the RFID reader 108 that includes at least some of the electronic storage device information as well as at least some information that is stored in the RFID tag 112.
  • the information stored in the RFID tag 112 is also referred to here as the "RFID information”.
  • the RFID information includes a unique identifier for the adapter 100 and/or fixed cabling 104.
  • the RFID information can also include other information such as the make and model of the adapter 100 and/or fixed cabling 104.
  • the response is transmitted to the RFID reader 118 by modulating the data that makes up the response onto a version of the RF signal transmitted by the RFID reader 118.
  • the information included in this response can then be provided to the physical layer management system 136 in order to track the connection made using the adapter 100.
  • both the RFID tag 112 on the adapter 100 and the electronic storage device 122 on the patch cord 106 can be read using the RFID reader 118 and provided to the PLM 136 without having to provide separate wiring or other connectivity to the patching or interconnect system in which the adapter 100 is used. Also, this can be done in environments where AC power is not typically available (for example, in the outside plant of a telecommunication network).
  • Method 200 is useful in capturing information about a number of adapters that are located within a particular patching or interconnect system. Method 200 can also be used in connection with helping a technician carry out an electronic work order.
  • Method 200 can optionally include providing a visual indication using the visual indicator 132 (block 210).
  • the controller 120 can use power provided by the
  • the interrogation signal to illuminate (or otherwise actuate) the LED 134.
  • the controller 120 can use power provided by the interrogation signal to illuminate (or otherwise actuate) the LED 134 in order to help a technician locate the adapter 100 (for example, where method 200 is performed in connection with carrying out an electronic work order).
  • the visual indication can also be provided as a visual confirmation that the RFID reader 118 is communicating with the RFID tag 112 attached to that particular adapter 100. This can be done with both polling commands and target commands.
  • the RFID-powered reading techniques described here can be used and implemented in other ways.
  • the RF interrogation signal that is used for powering the normal RFID communication functionality (for example, the RFID IC 116) is also used for powering the electronic storage device 122 and visual indicator 132.
  • more than one RF signal is received by an RFID tag, where one RF signal is used for powering the RFID tag and another RFID signal is used for communications.
  • FIG. 3 is a block diagram of an alternative embodiment of a RFID tag 312 that can be used in the adapter 100 of FIG. 1. In the exemplary embodiment shown in FIG.
  • the RFID tag 312 is configured to receive at least two RF interrogation signals.
  • the RFID tag 312 includes a first antenna circuit 314 (also referred to here as the "power antenna circuit” 314) and a second antenna circuit 315 (also referred to here as the "communication antenna circuit” 315).
  • the power antenna circuit 314 is tuned to receive a first RF interrogation signal (also referred to here as the “power RF signal” or “power signal”) that is better for powering the RFID tag 312 (and the components thereof), and the communication antenna circuit 315 is tuned to receive a second RF interrogation signal (also referred to here as the "communication RF signal” or “communication signal”) that is better for communicating.
  • the RFID tag 312 can provide power to devices or components included in and/or attached to the adapter 100 that require a higher amount of power and/or provide power to a greater number of such devices or components, even if faster data communication are needed.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

Dans l'un de ses modes de réalisation, la présente invention se rapporte à un adaptateur (ou à un autre appareil) comprenant un premier côté qui est configuré de façon à être branché à une prise. L'adaptateur (ou l'autre appareil) selon l'invention comprend par ailleurs une étiquette RFID. L'adaptateur (ou l'autre appareil) est configuré de façon à lire des données à partir d'un dispositif de stockage électronique. Ledit dispositif de stockage électronique est branché à la prise au moyen d'une puissance qui est fournie au moyen d'un signal d'interrogation radiofréquence, ledit signal d'interrogation radiofréquence étant reçu par l'étiquette RFID en provenance d'un lecteur RFID. L'étiquette RFID est configurée de façon à transmettre, au lecteur RFID, au moins une partie des données qui sont lues à partir du dispositif de stockage électronique.
PCT/EP2013/064671 2012-07-11 2013-07-11 Lecture, alimentée par rfid, d'un dispositif de stockage électronique basé sur un contact, dans un système plm WO2014009464A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261670470P 2012-07-11 2012-07-11
US61/670,470 2012-07-11

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WO2014009464A1 true WO2014009464A1 (fr) 2014-01-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110611229A (zh) * 2018-06-14 2019-12-24 北京众享比特科技有限公司 网络接口、接口装置、网络线缆接头及防物理入侵方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100052856A1 (en) * 2008-09-03 2010-03-04 Macauley Daniel W Radio Frequency Identification Triangulation Systems for Communications Patching Systems and Related Methods of Determining Patch Cord Connectivity Information
US20100080554A1 (en) * 2008-09-30 2010-04-01 Aguren Jerry G Fiber Optic Cable Diagnostics Using Digital Modulation
US20100210135A1 (en) * 2009-02-19 2010-08-19 Michael German Patch Panel Cable Information Detection Systems and Methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100052856A1 (en) * 2008-09-03 2010-03-04 Macauley Daniel W Radio Frequency Identification Triangulation Systems for Communications Patching Systems and Related Methods of Determining Patch Cord Connectivity Information
US20100080554A1 (en) * 2008-09-30 2010-04-01 Aguren Jerry G Fiber Optic Cable Diagnostics Using Digital Modulation
US20100210135A1 (en) * 2009-02-19 2010-08-19 Michael German Patch Panel Cable Information Detection Systems and Methods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110611229A (zh) * 2018-06-14 2019-12-24 北京众享比特科技有限公司 网络接口、接口装置、网络线缆接头及防物理入侵方法

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