(12) United States Patent
`Austermann, III et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 9,049,019 B2
`*Jun. 2, 2015
`
`US009049019B2
`
`(54)
`
`(75)
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`(73)
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`(*)
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`(21)
`(22)
`(65)
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`(63)
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`(60)
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`(51)
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`(52)
`
`Appl. No.:
`Filed:
`
`Assignee:
`
`Notice:
`
`NETWORKEQUIPMENT AND OPTIONAL
`TETHER
`Inventors: John F. Austermann, III, Huntington
`Woods, MI (US); Marshall B.
`Cummings, Troy, MI (US)
`ChriMar Systems, Inc., Farmington
`Hills, MI (US)
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`This patent is Subject to a terminal dis
`claimer.
`13/615,726
`Sep. 14, 2012
`Prior Publication Data
`US 2013/OOO2369 A1
`Jan. 3, 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, 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.
`
`H04B 2203/5445 (2013.01); H04B 2203/5458
`(2013.01); H04B 2203/5466 (2013.01); H04B
`2203/547 (2013.01); H04B 2203/5491
`(2013.01); H04B 2203/5495 (2013.01)
`(58) Field of Classification Search
`None
`See application file for complete search history.
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`202,495 A
`244,426 A
`
`4, 1878 Watson
`7, 1881 Bell
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`CA
`CN
`
`2, 1998
`21831.06 A1
`1, 1990
`2050662 U.
`(Continued)
`OTHER PUBLICATIONS
`
`“10BaseT Takes Off” (LAN Magazine, May 1991).
`(Continued)
`
`Primary Examiner — Chi H Pham
`Assistant Examiner — Soon-Dong D Hyun
`(74) Attorney, Agent, or Firm — Harness, Dickey & Pierce,
`P.L.C.
`
`ABSTRACT
`(57)
`A piece of data terminal equipment having an Ethernet con
`nector having first and second pairs of contacts used to carry
`high frequency data communication signals. The piece of
`data terminal equipment to have at least one path coupled
`across at least one of the contacts of the first pair of contacts
`of the Ethernet connector and at least one of the contacts of
`the second pair of contacts of the Ethernet connector. The
`piece of data terminal equipment to draw different magni
`tudes of DC current through the at least one path.
`169 Claims, 13 Drawing Sheets
`
`Int. C.
`H04L 2/2
`G08B I3/14
`H04L I/24
`H04B 3/54
`U.S. C.
`CPC. H04L 1/24 (2013.01); H04B 3/54 (2013.01);
`
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`
`
`
`
`
`
`
`
`
`parts piral
`Ecg;8
`
`-- FE |-
`Siii.
`sm-------------.
`fra
`| Maicist R
`Ecoss
`i
`ific
`/r
`KERN.E.
`4----
`
`-i- Siena,
`RECEygie F
`
`
`
`
`
`starts bara
`n
`8:
`- Sea
`usicister
`iii.
`
`
`
`sicial
`ANSIE
`
`1
`
`CISCO 1005
`Cisco v. ChriMar
`
`

`

`(56)
`
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`
`CISCO 1005
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`
`

`

`(56)
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`
`CISCO 1005
`Cisco v. ChriMar
`
`

`

`US 9,049,019 B2
`Page 4
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`CISCO 1005
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`

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`5
`
`CISCO 1005
`Cisco v. ChriMar
`
`

`

`US 9,049,019 B2
`Page 6
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`WO
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`WO-9629638 A1
`WO-96.28940 A3 11, 1996
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`WO-97.09667 A1
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`& 8
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`d
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`Fibre Dis
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`
`6
`
`CISCO 1005
`Cisco v. ChriMar
`
`

`

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