US008902760B2
`
`(12) United States Patent
`Austermann, III et al.
`
`(10) Patent N0.:
`(45) Date of Patent:
`
`US 8,902,760 B2
`Dec. 2, 2014
`
`(54)
`
`(75)
`
`NETWORK SYSTEM AND OPTIONAL
`TETHERS
`
`(58) Field of Classification Search
`None
`
`Inventors: John F. Austermann, III, Huntington
`Woods, MI (US); Marshall B.
`Cummings, Troy, MI (US)
`
`See application file for complete search history.
`
`(56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`
`(73)
`
`Assignee: ChriMar Systems, Inc., Farmington
`Hills, MI (US)
`
`(*)
`
`Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`(21)
`
`Appl. No.: 13/615,755
`
`(22)
`
`Filed:
`
`Sep. 14, 2012
`
`Prior Publication Data
`
`202,495 A
`244,426 A
`
`4/1878 Watson
`7/1881 Bell
`
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`CA
`CN
`
`2183106 Al
`2050662 U
`
`2/1998
`1/1990
`
`(Continued)
`OTHER PUBLICATIONS
`
`US 2013/0002047 A1
`
`Jan. 3, 2013
`
`“l0BaseT Takes Off’ (LAN Magazine, May 1991).
`
`Related U.S. Application Data
`
`Continuation of application No. 13/370,918, filed on
`Feb. 10, 2012, which is a continuation of application
`No. 12/239,001, filed on Sep. 26, 2008, now Pat. No.
`8,155,012, which is a continuation of application No.
`10/668,708, filed on Sep. 23, 2003, now Pat. No.
`7,457,250, which is a continuation of application No.
`09/370,430, filed on Aug. 9, 1999, now Pat. No.
`6,650,622, which is
`a
`continuation-in-part of
`application No. PCT/US99/07846, filed on Apr. 8,
`1999.
`
`Provisional application No. 60/081,279, filed on Apr.
`10, 1998.
`
`Int. Cl.
`
`H04L 12/12
`G08B 13/14
`H04L 1/24
`H04B 3/54
`U.S. Cl.
`
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`
`CPC .. H04L 1/24 (2013.01), H043 3/54 (2013.01),
`H043 2203/5445 (2013.01), H043 2203/5458
`(2013.01), H043 2203/5466 (2013.01), H043
`2203/547 (2013.01), H043 2203/5491
`(2013.01), H043 2203/5495 (2013.01)
`USPC ....................... .. 370/241, 370/463; 340/568.1
`
`(Continued)
`
`Primary Examiner — Chi H Pharn
`Assistant Examiner — Soon-Dong D Hyun
`(74) Attorney, Agent, or Firm — Harness, Dickey & Pierce,
`P.L.C.
`
`(57)
`
`ABSTRACT
`
`A BaseT Ethernet system having a piece of central network
`equipment, a piece of BaseT Ethernet terminal equipment,
`and data signaling pairs of conductors having first and second
`pairs used to carry BaseT Ethernet communication signals
`between the piece of central network equipment and the piece
`of BaseT Ethernet terminal equipment. The first and second
`pairs physically connect between the piece of BaseT Ethernet
`terminal equipment and the piece of central network equip-
`ment. The piece of central network equipment having at least
`one DC supply. The piece of BaseT Ethernet terminal equip-
`ment having at least one path to draw different magnitudes of
`current flow from the DC supply through a loop formed over
`at least one of the conductors of the first pair and at least one
`of the conductors of the second pair. The piece of central
`network equipment to detect at least two different magnitudes
`of the current flow through the loop.
`
`219 Claims, 13 Drawing Sheets
`
`(65)
`
`(63)
`
`(60)
`
`(51)
`
`(52)
`
`
`
`E
`[V mm
`__,,,,-.
`V
`1..§,(T1:J
`‘/4.4»/:::;r:5m2‘ Lt
`my/waas
`Lil“
`
`
`5
`
`1
`
`1
`
`gi
`
`~—
`
`,
`
`“
`L
`» am
`-‘:E“
`
`JUNIPER Ex 1001-pg. 1
`
`J,\/\4
`
`rzi/1:: j—/T19
`
`JUNIPER Ex 1001-pg. 1
`
`

`
`(56)
`
`References Cited
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`US 8,902,760 B2
`Page 2
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`JUNIPER Ex 1001-pg. 2
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`JUNIPER Ex 1001-pg. 2
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`AMD, Chipcom, DEC, IBM, Motorola, SynOpt1cs, “STP Propo sal—
`Introduction”, (Oct. 15, 1991).
`-
`-
`«
`-
`Sifii;‘iiflifiiffiz»DEE???52%‘$331531§¥§2%"%5:;11§V“Zf:$“
`0 t 15 1991
`’
`'
`g
`P’
`( C’
`’
`.
`)'
`.
`.
`.
`“
`AMD, Chipcom, Digital, IBM, Motorola an11SynOptics, Report on
`Action Item to Merge STP-PMD Proposals , (Aug. 20, 1991).
`An Interoperable Solution for FDDI Signaling Over Shielded
`Twisted Pair, Advanced Micro Devices, Inc., (May 21, 1990), 9
`pages.
`An Interoperable Solution for FDDI Signaling Over Shielded
`Twisted Pair, Advanced Micro Devices, (May 21, 1991), 25 pages.
`Anonymous, “Theft Detection Means for Use with Coaxial Cables,”
`I810g2e4-1990”—“Information rocessin s stems—Lo-
`t
`k‘ PM 4. T k
`. Pb
`‘5 V
`th d
`d
`31
`c
`area ne wor sf
`_
`. 7,0 en-passing us access me o
`an
`physical layer specificati(,),ns “(1990).
`_
`\ISI/IEEE STD 802-.2
`IEEE
`for Information tech-
`nology—Telecommunications and information exchange between
`systems—Local and metropolitan area networks—Specific require-
`ments—Part 2: Logical Link Control” (1998 Edition).
`“ \ISI/IEEE STD 802.May 1985—ISO/DP 8802/5—Local area
`Networks—ANSI/IEEE Standard ISO Draft Proposal—Token Ring
`Access Me1h0d»(1985).
`“ \IsI/IEEE STD 802.5-1998E—Information technology—Tele-
`communications and information exchan e between s stems—Lo-
`.
`"3:
`.
`Y
`cal and metropolitan area net\vorks_—Specific requirem_ents:PaIt 5:
`Token ring access method and Phys1calLayer specifications (1998).
`_ \ISI INCITS 229-1994 (R1999) — For Information Systems—
`Fibre Distributed Data Interface (FDDI)—Station Management
`(SMT)” (1994).
`“ \ISI X3.166-1990”—“For Information Systems”—“Fibre Dis-
`tributed Data Interface (FDDI)—Token Ring Physical Layer
`Medium Dependent (PMD)” (1990).
`“ \ISI X3.166-1990”—“For
`Information Technology”—“Fibre
`-
`Distributed Data Interface (FDDI)—Token Ring Twisted Pair Physi-
`cal Layer Medium Dependent (TP-PMD)” (1990).
`“
`,,
`“
`.
`,,
`.
`.
`_ \ISI X3.263-1995 — For Information Technology —_Fibre Dis-
`tributed Data Interface (FDDI)—Token Ring Twisted Pair Physical
`Layer Medium Dependent (TP-PMD) (1995).
`“A proposal for a Low-Cost FDDI UTP/STP PMD Standard” by
`Mario Mazzola, Crescendo Communications [31 pages] (Oct. 15,
`1991).
`
`JUNIPER Ex 1001-pg. 6
`
`JUNIPER Ex 1001-pg. 6
`
`

`
`US 8,902,760 B2
`Page 7
`
`(56)
`
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