A radio-frequency identifier tunable by dielectric inserts (3), includes a fixed part (92) and a key (9), the fixed part (92) of includes an indication element (91) and a decoding device (8), which includes an electrical supply unit (84), an evaluation and control unit (83), a decoding device (82) and a control element (81), herein the decoding device (8) is connected to a receiver (7), which includes an antenna (71), an input amplifier (72) and a block (73) of filters and circuits. The decoding device (8) is further connected with a receiver (6), which includes an antenna (61), an output amplifier (63) and a signal generator (62). The key (9) includes at least one carrier (32) connected with at least one insert (3) having at least one additional dielectric block (20) modified on its surface or at least one opening (200) formed inside the insert (3). The dielectric block (20) includes an additional dielectric block (21).

Systems and methods are provided for automatically detecting passive components in communications systems using radio frequency identification (RFID) tags. A coupling circuit is provided in a system between a communications network and an RFID tag. The RFID tag is associated with a passive element of a distributed antenna system (DAS). The coupling circuit can allow an RFID signal received from an RFID transmitter over the communications network to be transported to the RFID tag. The coupling circuit can substantially prevent mobile communication signals on the communications network from being transported to the RFID tag.

A patch cable and system for interconnecting a pair of terminals, each of the terminals comprising a terminal RFID transponder comprising a unique ID, and for use with a cradle comprising a cradle RFID antenna. The patch cable comprises a pair of connectors, one of the connectors at each end of and interconnected by a guided transmission medium, a connector RFID antenna associated with each of the pair of connectors, a cable RFID transponder positioned along the patch cable between the connectors for communicating with the cradle RFID antenna. When the cable RFID transponder is brought into proximity with the cradle RFID antenna, RF signals emitted by the cradle RFID antenna provide power to and communications with the cable RFID transponder for powering the connector RFID antennas and retrieving the unique IDs of the pair of terminals and communicating the unique IDs to the cradle.

Systems and methods for network port monitoring using low energy wireless communications are provided. In one embodiment, a device comprises: at least one port module, the at least one port module comprising one or more connector ports each configured to receive a connector of a network data cable; and a port state sensor that includes a port sensing circuit coupled to a sensor controller, wherein the port sensing circuit is configured to sense a port state for the one or more connector ports; wherein the sensor controller is configured to input the port state from the port sensing circuit, wherein in response to detecting a change in the port state from the port sensing circuit, the sensor controller wirelessly transmits port state information to a port state monitor.

A radio-frequency identifier tunable by dielectric inserts (3), includes a fixed part (92) and a key (9), the fixed part (92) of includes an indication element (91) and a decoding device (8), which includes an electrical supply unit (84), an evaluation and control unit (83), a decoding device (82) and a control element (81), herein the decoding device (8) is connected to a receiver (7), which includes an antenna (71), an input amplifier (72) and a block (73) of filters and circuits. The decoding device (8) is further connected with a receiver (6), which includes an antenna (61), an output amplifier (63) and a signal generator (62). The key (9) includes at least one carrier (32) connected with at least one insert (3) having at least one additional dielectric block (20) modified on its surface or at least one opening (200) formed inside the insert (3). The dielectric block (20) includes an additional dielectric block (21).

A patch cable and system for interconnecting a pair of terminals, each of the terminals comprising a terminal RFID transponder comprising a unique ID, and for use with a cradle comprising a cradle RFID antenna. The patch cable comprises a pair of connectors, one of the connectors at each end of and interconnected by a guided transmission medium, a connector RFID antenna associated with each of the pair of connectors, a cable RFID transponder positioned along the patch cable between the connectors for communicating with the cradle RFID antenna. When the cable RFID transponder is brought into proximity with the cradle RFID antenna, RF signals emitted by the cradle RFID antenna provide power to and communications with the cable RFID transponder for powering the connector RFID antennas and retrieving the unique IDs of the pair of terminals and communicating the unique IDs to the cradle.

A connector with self-powered mating detection is disclosed. An example disclosed connector pair includes a first connector. The example connector pair also includes a piezoelectric sensor attached to the first connector. The example piezoelectric sensor generates a voltage when the first connector and a second connector are mated. The example piezoelectric sensor generates a voltage when the first connector and a second connector are unmated. The example connector pair also includes a memory circuit electrically coupled to the piezoelectric sensor to record a connection event in response to detecting voltage generated by the piezoelectric sensor(s). Additionally, the example connector pair includes an RFID circuit electrically coupled to the memory circuit. The example RFID circuit transmits the connection events.

One embodiment is directed to a method of reading RFID tags in an interconnection system comprising at least one port. The method comprises initiating a localized read transaction to read any RFID tag attached to a first connector and any RFID tag attached to a second connector inserted into the port. The method further comprises, as a part of the localized read transaction, reading any RFID tag configured to respond to a first type of RFID interrogation signal, wherein the first connector comprises an attached RFID tag that is configured to respond to the first type of RFID interrogation signal; and, as a part of the localized read transaction, reading any RFID tag configured to respond to a second type of RFID interrogation signal, wherein the second connector comprises an attached RFID tag that is configured to respond to the second type of RFID interrogation signal. Other embodiments are disclosed.

Systems and methods are provided for automatically detecting passive components in communications systems using radio frequency identification (RFID) tags. A coupling circuit is provided in a system between a communications network and an RFID tag. The RFID tag is associated with a passive element of a distributed antenna system (DAS). The coupling circuit can allow an RFID signal received from an RFID transmitter over the communications network to be transported to the RFID tag. The coupling circuit can substantially prevent mobile communication signals on the communications network from being transported to the RFID tag.

Port occupancy can be detected by positioning signal responders on shutters disposed at the ports. The signal responders are detectable when the shutters are undeflected (i.e., the respective ports are available). The signal responders are not detectable when the shutters are deflected (i.e., the respective ports are occupied). The signal responders may include RFID tags. Each shutter having a corresponding signal responder may span more than one port.