Control No. 90/013,740
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`APPENDIX 1
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`LISTING OF ‘012 PATENT CLAIMS UNDER REEXAMINATION
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`APPENDIX 1
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`LISTING OF ‘012 PATENT CLAIMS UNDER REEXAMINATION
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`Exhibit 2057
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`Chrimar Page 1
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`Exhibit 2057
`Chrimar Page 1
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`Control No. 90/013,740
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`LISTING OF ‘012 PATENT CLAIMS UNDER REEXAMINATION
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`A listing of the patent claims of the ‘012 Patent currently under ex parte reexamination is
`
`provided below for ease of reference and review. The following Claims 1-148 are subject to ex
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`parle reexamination:
`
`l.
`
`A method for adapting a piece of Ethernet data terminal equipment, the piece of
`
`Ethernet data terminal equipment having an Ethernet connector,
`
`the method comprising:
`
`selecting contacts of the Ethernet connector comprising a plurality of contacts, the selected
`
`contacts comprising at least one of the plurality of contacts of the Ethernet connector and at least
`
`another one of the plurality of contacts of the Ethernet connector, coupling at least one path
`
`across the selected contacts of the Ethernet connector, and associating distinguishing information
`
`about the piece of Ethernet data terminal equipment to impedance within the at least one path.
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`2.
`
`The method according to claim 1 wherein the piece of Ethernet data terminal
`
`equipment is a personal computer.
`
`3.
`
`The method according to claim 1 wherein the associating distinguishing
`
`information about the piece of Ethernet data terminal equipment to impedance within the at least
`
`one path comprises associating identifying information about the piece of Ethernet data terminal
`
`equipment to impedance within the at least one path.
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`4.
`
`The method according to claim 1 wherein the Ethernet connector comprising the
`
`plurality of contacts is an RJ45 jack comprising the contact 1 through the contact 8.
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`Control No. 90/013,740
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`5.
`
`The method according to claim 1 wherein the impedance within the at least one
`
`path is part of a detection protocol.
`
`6.
`
`The method according to claim 1 wherein the piece of Ethernet data terminal
`
`equipment is a piece of BaseT Ethernet data terminal equipment.
`
`7.
`
`The method according to claim 1 wherein the at least one of the plurality of
`
`contacts of the Ethernet connector comprises two of the plurality of contacts of the Ethernet
`
`connector.
`
`8.
`
`The method according to claim 1 wherein the at least another one of the plurality
`
`of contacts of the Ethernet connector comprises two of the plurality of contacts of the Ethernet
`
`connector.
`
`9.
`
`The method according to claim 1 wherein the Ethernet connector is an RJ45 jack
`
`comprising the contact 1 through the contact 8, the at least one of the plurality of contacts of the
`
`Ethernet connector comprises two of the plurality of contacts of the Ethernet connector and the
`
`two of the plurality of contacts comprise the contact 3 and the contact 6.
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`10.
`
`The method according to claim 1 wherein the coupling at least one path across the
`
`selected contacts comprises coupling at least one path having at least one resistor.
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`Exhibit 2057
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`Exhibit 2057
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`11.
`
`The method according to claim 1 wherein the coupling at least one path across the
`
`selected contacts comprises coupling two paths across the selected contacts.
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`12.
`
`The method according to claim 1 wherein the coupling at least one path across the
`
`selected contacts comprises coupling two paths across the selected contacts, at least one of the
`
`two paths having a zener diode.
`
`13.
`
`The method according to claim 1 wherein the coupling at least one path across the
`
`selected contacts comprises coupling at least one path having a controller across the selected
`
`contacts.
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`14.
`
`The method according to claim 1 wherein the Ethernet connector is an RJ45 jack
`
`comprising the contact 1 through the contact 8 and the piece of Ethernet data terminal equipment
`
`is a piece of BaseT Ethernet terminal data equipment.
`
`15.
`
`The method according to claim 1 wherein the Ethernet connector is an RJ45 jack
`
`comprising the contact 1 through the contact 8 and the associating distinguishing information
`
`about the piece of Ethernet data terminal equipment to impedance within the at least one path
`
`comprises associating identifying information about
`
`the piece of Ethernet data terminal
`
`equipment to impedance within the at least one path.
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`Exhibit 2057
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`Control No. 90/013,740
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`16.
`
`The method according to Claim 1 wherein the associating distinguishing
`
`information about the piece of Ethernet data terminal equipment to impedance within the at least
`
`one path comprises associating identifying information about the piece of Ethernet data terminal
`
`equipment to impedance within the at least one path and the piece of Ethernet data terminal
`
`equipment is a piece of BaseT Ethernet data terminal equipment.
`
`17.
`
`The method according to Claim 1 wherein the Ethernet connector is an RJ45 jack
`
`comprising the contact 1 through the contact 8, the piece of Ethernet data terminal equipment is a
`
`piece of BaseT Ethernet data terminal equipment and the associating distinguishing information
`
`about the piece of Ethernet data terminal equipment to impedance within the at least one path
`
`comprises associating identifying information about
`
`the piece of Ethernet data terminal
`
`equipment to impedance within the at least one path.
`
`18.
`
`The method according to claim 1 wherein the associating distinguishing
`
`information about the piece of Ethernet data terminal equipment to impedance within the at least
`
`one path comprises associating distinguishing information related to an electrical aspect of the
`
`piece of Ethernet data terminal equipment to impedance within the at least one path.
`
`19.
`
`The method according to claim 1 wherein the associating distinguishing
`
`information about the piece of Ethernet data terminal equipment to impedance within the at least
`
`one path comprises associating distinguishing information related to a physical aspect of the
`
`piece of Ethernet data terminal equipment to impedance within the at least one path.
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`Exhibit 2057
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`20.
`
`The method according to claim 1 wherein the associating distinguishing
`
`information about the piece of Ethernet data terminal equipment to impedance within the at least
`
`one path comprises associating distinguishing information about the piece of Ethernet data
`
`terminal equipment to impedance within the at least one path having at least one predetermined
`
`duration.
`
`21.
`
`The method according to claim 20 wherein the impedance within the at least one
`
`path is between 10 k Ohms and 15 k Ohms.
`
`22.
`
`The method according to claim 1 wherein the impedance within the at least one
`
`path is a function of voltage across the selected contacts.
`
`23.
`
`The method according to claim 1 wherein the at least one path includes the center
`
`tap of at least one isolation transformer.
`
`24.
`
`The method according to claim 1 further comprising physically connecting the
`
`adapted piece of Ethernet data terminal equipment to a network.
`
`25.
`
`The method according to claim 1 wherein the selected contacts are the same
`
`contacts used for normal network communication.
`
`26.
`
`The method according to claim 25 wherein the normal network communication is
`
`BaseT Ethernet communication.
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`Exhibit 2057
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`Exhibit 2057
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`27.
`
`The method according to claim 1 wherein the at least one path coupled across the
`
`selected contacts is formed through the piece of Ethernet data terminal equipment.
`
`28.
`
`The method according to any one of claims 1 through 26 wherein the at least one
`
`path coupled across the selected contacts is formed through the piece of Ethernet data terminal
`
`equipment.
`
`29.
`
`The method according to any one of claims 1 through 24 and claim 27 wherein
`
`the selected contacts are at
`
`least some of the same contacts used for normal network
`
`communication.
`
`30.
`
`The method according to claim 29 wherein the normal network communication is
`
`BaseT Ethernet communication.
`
`31.
`
`An adapted piece of Ethernet data terminal equipment comprising: an Ethernet
`
`connector comprising a plurality of contacts; and at least one path coupled across selected
`
`contacts, the selected contacts comprising at least one of the plurality of contacts of the Ethernet
`
`connector and at least another one of the plurality of contacts of the Ethernet connector, wherein
`
`distinguishing information about the piece of Ethernet data terminal equipment is associated to
`
`impedance within the at least one path.
`
`32.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`piece of Ethernet data terminal equipment is a personal computer.
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`Exhibit 2057
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`Exhibit 2057
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`Control No. 90/013,740
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`33.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`distinguishing information about the piece of Ethernet data terminal equipment associated to
`
`impedance within the at least one path comprises identifying information about the piece of
`
`Ethernet data terminal equipment.
`
`34.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`Ethernet connector is an RJ45 jack and the plurality of contacts comprises the contact 1 through
`
`the contact 8 of the RJ45 jack.
`
`35.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`impedance within the at least one path is part of a detection protocol.
`
`36.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`piece of Ethernet data terminal equipment is a piece of BaseT Ethernet data terminal equipment.
`
`37.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`at least one of the plurality of contacts of the Ethernet connector comprises two of the plurality
`
`of contacts of the Ethernet connector.
`
`38.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`at least another one of the plurality of contacts of the Ethernet connector comprises two of the
`
`plurality of contacts of the Ethernet connector.
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`Exhibit 2057
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`Chrimar Page 8
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`Exhibit 2057
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`Control No. 90/013,740
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`39.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`Ethernet connector is an RJ45 jack comprising the contact 1 through the contact 8, the at least
`
`one of the plurality of contacts of the Ethernet connector comprises two of the plurality of
`
`contacts of the Ethernet connector and the two of the plurality of contacts comprise the contact 3
`
`and the contact 6.
`
`40.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`at least one path comprises at least one resistor.
`
`41.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`at least one path comprises two paths.
`
`42.
`
`The piece of Ethernet data terminal equipment according to claim 41 wherein one
`
`of the two paths comprises a zener diode.
`
`43.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`at least one path comprises a controller.
`
`44.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`Ethernet connector is an RJ45 jack comprising the contact 1 through the contact 8 and the piece
`
`of Ethernet data terminal equipment is a piece of BaseT Ethernet data terminal equipment.
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`Exhibit 2057
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`Chrimar Page 9
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`Exhibit 2057
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`45.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`Ethernet connector is an RJ45 jack comprising the contact
`
`1
`
`through the contact 8 and the
`
`distinguishing information about the piece of Ethernet data terminal equipment associated to
`
`impedance within the at least one path comprises identifying information about the piece of
`
`Ethernet data terminal equipment.
`
`46.
`
`The piece of Ethernet data terminal equipment according to Claim 31 wherein the
`
`distinguishing information about the piece of Ethernet data terminal equipment associated to
`
`impedance within the at least one path comprises identifying information about the piece of
`
`Ethernet data terminal equipment and the piece of Ethernet data terminal equipment is a piece of
`
`BaseT Ethernet data terminal equipment.
`
`47.
`
`The piece of Ethernet data terminal equipment according to Claim 31 wherein the
`
`Ethernet connector is an RJ45 jack comprising the contact 1 through the contact 8, the piece of
`
`Ethernet data terminal equipment is a piece of BaseT Ethernet data terminal equipment and the
`
`distinguishing information about the piece of Ethernet data terminal equipment associated to
`
`impedance within the at least one path comprises identifying information about the piece of
`
`Ethernet data terminal equipment.
`
`48.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`distinguishing information is related to an electrical aspect of the piece of Ethernet data terminal
`
`equipment.
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`10
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`Control No. 90/013,740
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`49.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`distinguishing information is related to a physical aspect of the piece of Ethernet data terminal
`
`equipment.
`
`50.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`distinguishing information about the piece of Ethernet data terminal equipment associated to
`
`impedance within the at least one path comprises distinguishing information about the piece of
`
`Ethernet data terminal equipment associated to impedance within the at least one path having a
`
`predetermined time duration.
`
`51.
`
`The piece of Ethernet data terminal equipment according to claim 50 wherein
`
`impedance within the at least one path is between 10 k Ohms and 15 k Ohms.
`
`52.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`impedance within the at least one path is a function of voltage across the selected contacts.
`
`53.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`at least one path includes the center tap of at least one isolation transformer.
`
`54.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`adapted piece of Ethernet data terminal equipment is physically connected to a network.
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`11
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`Control No. 90/013,740
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`55.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`selected contacts are the same contacts used for normal network communication.
`
`56.
`
`The piece of Ethernet data terminal equipment according to claim 55 wherein the
`
`normal network communication is BaseT Ethernet communication.
`
`57.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`at least one path coupled across the selected contacts is formed through the piece of Ethernet data
`
`terminal equipment.
`
`58.
`
`The piece of Ethernet data terminal equipment according to any one of claims 31
`
`through 56 wherein the at least one path coupled across the selected contacts is formed through
`
`the piece of Ethernet data terminal equipment.
`
`59.
`
`The piece of Ethernet data terminal equipment according to any one of claims 31
`
`through 54 and claim 57 wherein the selected contacts are at least some of the same contacts
`
`used for normal network communication.
`
`60.
`
`The piece of Ethernet data terminal equipment according to claim 59 wherein the
`
`normal network communication is BaseT Ethernet communication.
`
`61.
`
`The method according to claim 1 wherein the piece of Ethernet data terminal
`
`equipment is powered-on.
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`12
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`62.
`
`The method according to any one of claims 1 through 27 and claim 61 wherein
`
`the at least one path permits use of the selected contacts for Ethernet communication.
`
`63.
`
`The method according to claim 62 wherein the selected contacts are used for
`
`Ethernet communication.
`
`64.
`
`The piece of Ethernet data terminal equipment according to claim 31 wherein the
`
`piece of Ethernet data terminal equipment is powered-on.
`
`65.
`
`The piece of Ethernet data terminal equipment according to any one of claims 31
`
`through 54 and claim 64 wherein the at least one path permits the use of the selected contacts for
`
`Ethernet communication.
`
`66.
`
`The piece of Ethernet data terminal equipment according to claim 65 wherein the
`
`selected contacts are used for Ethernet communication.
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`13
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`67.
`
`A method for adapting a piece of terminal equipment,
`
`the piece of terminal
`
`equipment having an Ethernet connector, the method comprising: coupling at least one path
`
`across specific contacts of the Ethernet connector, the at least one path permits use of the specific
`
`contacts for Ethernet communication, the Ethernet connector comprising the contact 1 through
`
`the contact 8, the specific contacts of the Ethernet connector comprising at least one of the
`
`contacts of the Ethernet connector and at least another one of the contacts of the Ethernet
`
`connector, and arranging impedance within the at least one path to distinguish the piece of
`
`terminal equipment.
`
`68.
`
`The method according to claim 67 wherein the piece of terminal equipment is a
`
`personal computer.
`
`69.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path to distinguish the piece of terminal equipment comprises arranging impedance
`
`within the at least one path to uniquely distinguish the piece of terminal equipment.
`
`70.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path to distinguish the piece of terminal equipment comprises arranging impedance
`
`within the at least one path to identify the piece of terminal equipment.
`
`71.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path to distinguish the piece of terminal equipment comprises arranging impedance
`
`within the at least one path to uniquely identify the piece of terminal equipment.
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`14
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`Exhibit 2057
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`72.
`
`The method according to claim 67 wherein the piece of terminal equipment has a
`
`particular electrical aspect and the arranging impedance within the at least one path to distinguish
`
`the piece of terminal equipment comprises arranging impedance within the at least one path to
`
`distinguish that the piece of terminal equipment has the particular electrical aspect.
`
`73.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path comprises arranging impedance within the at least one path to be part of a
`
`detection protocol.
`
`74.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path comprises arranging impedance within the at least one path to be variable.
`
`75.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path comprises arranging impedance within the at least one path to be continuously
`
`variable.
`
`76.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path comprises arranging the impedance within the at least one path to draw DC
`
`current.
`
`77.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path comprises arranging the impedance within at least one path to have at least one
`
`predetermined duration.
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`15
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`78.
`
`The method according to claim 77 wherein the predetermined duration is between
`
`17 and 833 microseconds.
`
`79.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path comprises arranging impedance within the at least one path to be between 10 k
`
`Ohms and 15 k Ohms.
`
`80.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path comprises arranging impedance within the at least one path to be a function of
`
`voltage across the specific contacts.
`
`81.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path comprises arranging impedance within at least one path to have a first impedance
`
`followed by a second impedance.
`
`82.
`
`The method according to claim 67 wherein the arranging impedance within the at
`
`least one path comprises arranging impedance within the at least one path to have a first
`
`impedance for a first condition applied to the specific contacts followed by a second impedance
`
`for a second condition applied to the specific contacts.
`
`83.
`
`The method according to claim 82 wherein the first and second conditions applied
`
`to the specific contacts are voltage conditions.
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`16
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`84.
`
`The method according to claim 83 wherein the voltage conditions are DC voltage
`
`conditions.
`
`85.
`
`The method according to claim 82 wherein the first and second conditions applied
`
`to the specific contacts are current conditions.
`
`86.
`
`The method according to claim 85 wherein the current conditions are DC current
`
`conditions.
`
`87.
`
`The method according to claim 67 wherein the piece of terminal equipment is
`
`powered-on.
`
`88.
`
`The method according to claim 67 wherein the coupling at least one path across
`
`the specific contacts comprises coupling a controller across the specific contacts.
`
`89.
`
`The method according to claim 67 wherein the coupling at least one path across
`
`the specific contacts comprises coupling a zener diode across the specific contacts.
`
`90.
`
`The method according to claim 67 wherein the coupling at least one path across
`
`the specific contacts comprises coupling an energy storage deVice across the specific contacts.
`
`91.
`
`The method according to claim 67 wherein the coupling at
`
`least one path
`
`comprises coupling the at least one path internal to the piece of terminal equipment.
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`17
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`92.
`
`The method according to claim 67 wherein the Ethernet connector is an RJ45 jack
`
`comprising the contact 1 through the contact 8.
`
`93.
`
`The method according to claim 67 wherein the specific contacts are used for
`
`Ethernet communication.
`
`94.
`
`The method according to claim 67 wherein the specific contacts are used for
`
`Ethernet communication and at least some of the specific contacts are actually carrying Ethernet
`
`signals.
`
`95.
`
`The method according to claim 67 wherein the specific contacts are used for
`
`Ethernet communication and at least some of the specific contacts are actually carrying DC
`
`current.
`
`96.
`
`The method according to claim 67 wherein the specific contacts are used for
`
`Ethernet communication and at least some of the specific contacts are actually carrying Ethernet
`
`signals and DC current.
`
`97.
`
`The method according to claim 67 wherein the at least one path includes the
`
`center tap of at least one isolation transformer.
`
`98.
`
`The method according to claim 67 further comprising physically connecting the
`
`adapted piece of terminal equipment to a network.
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`18
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`99.
`
`The method according to claim 67 further comprising at least one electrical
`
`condition applied to the specific contacts.
`
`100.
`
`The method according to claim 99 wherein the at least one electrical condition
`
`comprises a voltage applied across the specific contacts.
`
`101.
`
`The method according to claim 100 wherein the voltage is a DC voltage.
`
`102.
`
`The method according to claim 99 wherein the at least one electrical condition
`
`comprises a current applied to the specific contacts.
`
`103.
`
`The method according to claim 102 wherein the current is a DC current.
`
`104.
`
`The method according to claim 67 wherein Ethernet communication is BaseT
`
`Ethernet communication.
`
`105.
`
`The method according to claim 67 wherein the at least one of the specific contacts
`
`comprises the contact 1 and the contact 2 and the at least another one of the specific contacts
`
`comprises the contact 3 and the contact 6.
`
`106.
`
`The method according to any one of claims 67 through 104 wherein the piece of
`
`terminal equipment is a piece of Ethernet data terminal equipment.
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`107.
`
`The method according to claim 106 wherein the at least one of the specific
`
`contacts comprises the contact 1 and the contact 2 and the at least another one of the specific
`
`contacts comprises the contact 3 and the contact 6.
`
`108. An adapted piece of terminal equipment having an Ethernet connector, the piece
`
`of terminal equipment comprising: at least one path coupled across specific contacts of the
`
`Ethernet connector,
`
`the at least one path permits use of the specific contacts for Ethernet
`
`communication, the Ethernet connector comprising the contact
`
`1
`
`through the contact 8, the
`
`specific contacts comprising at least one of the contacts of the Ethernet connector and at least
`
`another one of the contacts of the Ethernet connector, impedance within the at least one path
`
`arranged to distinguish the piece of terminal equipment.
`
`109.
`
`The piece of terminal equipment according to claim 108 wherein the piece of
`
`terminal equipment is a personal computer.
`
`110.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to uniquely distinguish the piece of terminal equipment.
`
`111.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to identify the piece of terminal equipment.
`
`112.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to uniquely identify the piece of terminal equipment.
`
`20
`
`Exhibit 2057
`
`Chrimar Page 20
`
`Exhibit 2057
`Chrimar Page 20
`
`
`
`Control No. 90/013,740
`
`113.
`
`The piece of terminal equipment according to claim 108 wherein the piece of
`
`terminal equipment has a particular electrical aspect and the impedance within the at least one
`
`path is arranged to distinguish that the piece of terminal equipment has the particular electrical
`
`aspect.
`
`114.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to be part of a detection protocol.
`
`115.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to be variable.
`
`116.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to be continuously variable.
`
`117.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to draw DC current.
`
`118.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to have at least one predetermined duration.
`
`119.
`
`The piece of
`
`terminal
`
`equipment according to claim 118 wherein the
`
`predetermined duration is between 17 and 833 microseconds.
`
`21
`
`Exhibit 2057
`
`Chrimar Page 21
`
`Exhibit 2057
`Chrimar Page 21
`
`
`
`Control No. 90/013,740
`
`120.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to be between 10 k Ohms and 15 k Ohms.
`
`121.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to be a function of voltage across the specific contacts.
`
`122.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to have a first impedance followed by a second
`
`impedance.
`
`123.
`
`The piece of terminal equipment according to claim 108 wherein the impedance
`
`within the at least one path is arranged to have a first impedance for a first condition applied to
`
`the specific contacts followed by a second impedance for second condition applied to the specific
`
`contacts.
`
`124.
`
`The piece of terminal equipment according to claim 123 wherein the first and
`
`second conditions applied to the specific contacts are voltage conditions.
`
`125.
`
`The piece of terminal equipment according to claim 124 wherein the voltage
`
`conditions are DC voltage conditions.
`
`126.
`
`The piece of terminal equipment according to claim 123 wherein the first and
`
`second conditions applied to the specific contacts are current conditions.
`
`22
`
`Exhibit 2057
`
`Chrimar Page 22
`
`Exhibit 2057
`Chrimar Page 22
`
`
`
`Control No. 90/013,740
`
`127.
`
`The piece of terminal equipment according to claim 126 wherein the current
`
`conditions are DC current conditions.
`
`128.
`
`The piece of terminal equipment according to claim 108 wherein the piece of
`
`terminal equipment is powered-on.
`
`129.
`
`The piece of terminal equipment according to claim 108 wherein a controller is
`
`coupled across the specific contacts.
`
`130.
`
`The piece of terminal equipment according to claim 108 wherein a zener diode is
`
`coupled across the specific contacts.
`
`131.
`
`The piece of terminal equipment according to claim 108 wherein an energy
`
`storage deVice is coupled across the specific contacts.
`
`132.
`
`The piece of terminal equipment according to claim 108 wherein the at least one
`
`path is internal to the piece of terminal equipment.
`
`133.
`
`The piece of terminal equipment according to claim 108 wherein the Ethernet
`
`connector is an RJ45 jack connector comprising the contact 1 through the contact 8.
`
`134.
`
`The piece of terminal equipment according to claim 108 wherein the specific
`
`contacts are used for Ethernet communication.
`
`23
`
`Exhibit 2057
`
`Chrimar Page 23
`
`Exhibit 2057
`Chrimar Page 23
`
`
`
`Control No. 90/013,740
`
`135.
`
`The piece of terminal equipment according to claim 108 wherein the specific
`
`contacts are used for Ethernet communication and at least some of the specific contacts are
`
`actually carrying Ethernet signals.
`
`136.
`
`The piece of terminal equipment according to claim 108 wherein the specific
`
`contacts are used for Ethernet communication and at least some of the specific contacts are
`
`actually carrying DC current.
`
`137.
`
`The piece of terminal equipment according to claim 108 wherein the specific
`
`contacts are used for Ethernet communication and at least some of the specific contacts are
`
`actually carrying Ethernet signals and DC current.
`
`138.
`
`The piece of terminal equipment according to claim 108 wherein the at least one
`
`path includes the center tap of at least one isolation transformer.
`
`139.
`
`The piece of terminal equipment according to claim 108 wherein the adapted
`
`piece of terminal equipment is physically connected to a network.
`
`140.
`
`The piece of terminal equipment according to claim 108 wherein at least one
`
`electrical condition is applied to the specific contacts.
`
`141.
`
`The piece of terminal equipment according to claim 140 wherein the at least one
`
`electrical condition comprises a voltage applied across the specific contacts.
`
`24
`
`Exhibit 2057
`
`Chrimar Page 24
`
`Exhibit 2057
`Chrimar Page 24
`
`
`
`Control No. 90/013,740
`
`142.
`
`The piece of terminal equipment according to claim 141 wherein the voltage is a
`
`DC voltage.
`
`143.
`
`The piece of terminal equipment according to claim 140 wherein the at least one
`
`electrical condition comprises a current applied to the specific contacts.
`
`144.
`
`The piece of terminal equipment according to claim 143 wherein the current is a
`
`DC current.
`
`145.
`
`The piece of terminal equipment according to claim 108 wherein Ethernet
`
`communication is BaseT Ethernet communication.
`
`146.
`
`The piece of terminal equipment according to claim 108 wherein the at least one
`
`of the specific contacts comprises the contact 1 and the contact 2 and the at least another one of
`
`the specific contacts comprises the contact 3 and the contact 6.
`
`147.
`
`The piece of terminal equipment according to any one of claims 108 through 145
`
`wherein the piece of terminal equipment is a piece of Ethernet data terminal equipment.
`
`148.
`
`The piece of terminal equipment according to claim 147 wherein the at least one
`
`of the specific contacts comprises the contact 1 and the contact 2 and the at least another one of
`
`the specific contacts comprises the contact 3 and the contact 6.
`
`25
`
`Exhibit 2057
`
`Chrimar Page 25
`
`Exhibit 2057
`Chrimar Page 25
`
`
`
`Electronic Acknowledgement Receipt
`
`“—
`
`——
`
`Title of Invention:
`
`SYSTEM AND METHOD FOR ADAPTING A PIECE OF TERMINAL EQUIPMENT
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