`Austermann, III et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 9,019,838 B2
`Apr. 28, 2015
`
`US0090l9838B2
`
`CENTRAL PIECE OF NETVVORK
`EQUIPMENT
`
`Inventors: John F. Austermann, lll, Huntington
`Woods’ MI (US); Marshall B‘
`Cummings, Troy, MI (US)
`Assigneez Chrflwar Systems’ Inc” Farmmgton
`Him M1 (US)
`Subject to any disclaimer, the term of this
`pate11t is extended or adjusted under 35
`U.s.C. 154(b) by 0 days.
`
`Notice:
`
`APPLNOJ 13/615734
`
`Filed:
`
`Sep. 14, 2012
`
`Prior Publication Data
`
`US 2013/0010846 A1
`
`Jan. 10, 2013
`
`Related U.S. Application Data
`Continuation of application No. 13/370,918, filed on
`Feb. 10, 2012, now Pat. No. 8,942,107, 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, wl1icl1 is a
`continuation of application No. 09/370,430, filed on
`Aug‘ 9s 1999= now P39 N0 6=650=622= which is 5‘
`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.
`
`[1113 CL
`H04L 12/12
`G083 13/14
`H0474 1/24
`H043 3/54
`U.S. Cl.
`CPC .. H04L 1/24 (2013.01); H04B 3/54 (2013.01);
`
`(2006-01)
`(200601)
`(2005-01)
`(2006-01)
`
`H04B 2203/5445 (2013.01); H04B 2203/5458
`(2013.01); H04B 2203/5466 (2013.01); H04B
`2203/547 (2013.01); H043 2203/549]
`(2013.01); H043 2203/5495 (2013.01)
`Field of Classification Search
`None
`See application file for complete search history.
`References Cited
`US. PATENT DOCUMENTS
`
`(56)
`
`202,495 A
`244,426 A
`
`406,567 A
`
`4/1272 Watson
`7/188
`Bell
`
`7/1889 Edison
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`2183106 Al
`2050662 U
`
`2/1998
`U 1990
`
`(confinued)
`0111111111 1’UBL1CA'1'10NS
`V
`_
`10BaSeT Takes Off (LAN Magazme’ May 1991)’
`(Continued)
`
`Primary Examiner—Chi H Pham
`/15_gj_;~;an; Examiner
`s00n_D0ng D Hymn
`(74) Azzorney,AgeIzt, orFirm—Harness, Dicl<ey& Pierce,
`p.L.C.
`
`ABSTR“CT
`(57)
`A central piece of network equipment having at least one
`Ethernet connector having first and second pairs of contacts
`used to carry BaseT Ethernet communication signals a11d at
`least one electrical supply used by the central piece of net-
`Work equipment to change impedance between at least one of
`the contacts of the first pair of contacts and at least one ofthe
`contacts of the second pair of contacts.
`
`92 Claims, 13 Drawing Sheets
`
`1
`, fr;
`f
`1 H1
`V
`1
`
`E
`
`sWE‘_’.{g.
`.1 6
`#1257501
`l
`1
`
`ML
`gcvazmn
`
`"
`
`"
`
`1
`
`;
`
`,
`
`SUPPLY
`
`v
`
`umm:
`
`‘
`
`* erohive - Exhibit 100
`
`Aerohive - Exhibit 1005
`
`
`
`References Cited
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`3»>>>3»>>>>>>>>>363»>>>>>>>>>>>>>>>>>>>>>>>>>>>F1'1>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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`US 9,019,838 B2
`Page 2
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`
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`JP
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`JP
`JP
`JP
`JP
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`
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`990
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`>—*©®OOl\JC>U2kMI\J>—>—l\J>—®C‘I\J>—t$OCJ>>—>—\O\OOOkoJ>—C\>—tl\JC7\>—-Q\.DkoJ®>—tkoJ>—tOOL)1&LhC7\I\JUJ\OkoJl\JU100©L)1l\J
`
`\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
`
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`>—-_.»—»—>—>—->—->—-_>—-
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`>—- l\J\
`
`US 9,019,838 B2
`Page 6
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`VVO
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