`Austermann, III et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 9,049,019 B2
`*Jun. 2, 2015
`
`US009049019B2
`
`(54)
`
`(75)
`
`(73)
`
`(*)
`
`(21)
`(22)
`(65)
`
`(63)
`
`(60)
`
`(51)
`
`(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)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`406,567
`2,846,509
`3,359,379
`3,407,400
`3,408.643
`3.423,521
`3.425,050
`3,500,132
`3,535,472
`3,537,095
`3,593,274
`3,597.549
`3,618,065
`3,634,845
`3,659,277
`3,696,378
`3,697.984
`3,731,012
`3,758,728
`3,768,084
`3,781,481
`3,794,989
`3,818, 179
`3,828, 139
`3,832,521
`3,832,678
`3,836,901
`3,842.218
`3,848, 179
`3,863,036
`3,868,484
`3,886,419
`RE28,692
`3,932,857
`3.969,594
`3,983,338
`4,024,359
`4,024,360
`4,054,760
`4,063,220
`4,064,431
`4,101,878
`4,121,201
`4,128,804
`4,131,767
`4,156,799
`4,160.884
`4,161,719
`4,162,489
`4,173,714
`4,179,688
`4,186,339
`4,191.971
`4,230,912
`4,232,199
`4,254,305
`4,260,882
`4,268,723
`4,273,955
`4,277,740
`4,282.407
`4,290,056
`4,292.480
`4.293,948
`4,303,073
`4,313,081
`4,315, 107
`4,322,677
`4,340,788
`4,348,661
`4,349,703
`4,350,849
`4,367.455
`4,383,315
`4,388,667
`
`T. 1889
`8, 1958
`12, 1967
`10, 1968
`10, 1968
`1, 1969
`1, 1969
`3, 1970
`10, 1970
`10, 1970
`7, 1971
`8, 1971
`11, 1971
`1, 1972
`4, 1972
`10, 1972
`10, 1972
`5, 1973
`9, 1973
`10, 1973
`12, 1973
`2, 1974
`6, 1974
`8, 1974
`8, 1974
`8, 1974
`9, 1974
`10, 1974
`11, 1974
`1/1975
`2, 1975
`5, 1975
`1, 1976
`1, 1976
`7, 1976
`9, 1976
`5, 1977
`5, 1977
`10, 1977
`12, 1977
`12, 1977
`7, 1978
`10, 1978
`12, 1978
`12, 1978
`5, 1979
`7, 1979
`7, 1979
`7, 1979
`11, 1979
`12, 1979
`1, 1980
`3, 1980
`10, 1980
`11, 1980
`3, 1981
`4, 1981
`5, 1981
`6, 1981
`T. 1981
`8, 1981
`9, 1981
`9, 1981
`10, 1981
`12, 1981
`1, 1982
`2, 1982
`3, 1982
`7, 1982
`9, 1982
`9, 1982
`9, 1982
`1, 1983
`5, 1983
`6, 1983
`
`Edison
`Dubuar
`Pullum et al.
`Lurie
`Sliman
`Friesen et al.
`Tellerman et al.
`Garrett
`Babbitt, III
`Cones
`Krugler, Jr.
`Farmer et al.
`Trip et al.
`Colman
`Brown
`Daniel
`Atkinson et al.
`Shaffer
`Le Roch et al.
`Haynes
`Shaffer et al.
`Manley et al.
`Mase
`Chambers, Jr.
`Niendorf
`Gysell et al.
`Matto et al.
`DeLuca et al.
`Kayama
`Mc Crudden
`Bolton et al.
`Omura et al.
`Highstone et al.
`Way et al.
`DeLuca et al.
`Mathauser
`De Marco et al.
`Biraghi et al.
`Morgen
`Metcalfe et al.
`Cote
`Shimizu et al.
`Weathers
`Russell
`Weinstein
`Cave
`Bishop
`Parikh et al.
`Thilo et al.
`Bloch et al.
`Romney
`Finger
`Dischert et al.
`Lee et al.
`Boatwright et al.
`Treiber
`Barnes
`Taylor
`Armstrong
`Parks
`Stiefel
`Chow
`Sweatt
`Soderblom
`Archibald
`Smith
`Ciesielka et al.
`Wright
`Sbuelz
`Lucchesi
`Chea, Jr.
`Ahuja
`Fried
`Torng
`Saurenman
`
`US 9,049,019 B2
`Page 2
`
`4,397,020
`4,398,066
`4.410,982
`4.413,250
`4,438,298
`4,446,341
`4.454.477
`4,463,352
`4,464,658
`4,467,147
`4,467,314
`4.475,079
`4,479,228
`4,482.999
`4.484,028
`4.487,836
`4,494,541
`4.495,494
`4,507,568
`4,524,349
`4,525,636
`4,527,216
`4,528,667
`4,532,626
`4,535.401
`4,551,671
`4,564,726
`4,571,656
`4.575,714
`4,578,539
`4,586, 104
`4,593,389
`4,602,364
`4,611,101
`4,617,656
`4,622,541
`4,629,836
`4,631,367
`4,633,217
`4,636,771
`4,639,714
`4,647,721
`4,647.912
`4,649,548
`4,654,638
`4,654,640
`4,656,318
`4,658,099
`4,658,242
`4,661,797
`4,661,979
`4,670,902
`4,674,084
`4,685,129
`4,686,514
`4,691.344
`4,692,761
`4,701,630
`4,701,946
`4,712,233
`4,717,896
`4,719,616
`4,723,267
`4,728,948
`4,729, 125
`4,731,810
`4,731,829
`4,733,223
`4,733,389
`4,736,195
`4,737,787
`4,742,334
`4,751.498
`4,755,792
`4,755,922
`4,758,823
`4,760.382
`4,766,386
`4,771,229
`
`8, 1983
`8, 1983
`10, 1983
`11, 1983
`3, 1984
`5, 1984
`6, 1984
`T. 1984
`8, 1984
`8, 1984
`8, 1984
`10, 1984
`10, 1984
`11, 1984
`11, 1984
`12, 1984
`1, 1985
`1, 1985
`3, 1985
`6, 1985
`6, 1985
`7, 1985
`7, 1985
`7, 1985
`8, 1985
`11, 1985
`1, 1986
`2, 1986
`3, 1986
`3, 1986
`4, 1986
`6, 1986
`T. 1986
`9, 1986
`10, 1986
`11, 1986
`12, 1986
`12, 1986
`12, 1986
`1, 1987
`1, 1987
`3, 1987
`3, 1987
`3, 1987
`3, 1987
`3, 1987
`4, 1987
`4, 1987
`4, 1987
`4, 1987
`4, 1987
`6, 1987
`6, 1987
`8, 1987
`8, 1987
`9, 1987
`9, 1987
`10, 1987
`10, 1987
`12, 1987
`1, 1988
`1, 1988
`2, 1988
`3, 1988
`3, 1988
`3, 1988
`3, 1988
`3, 1988
`3, 1988
`4, 1988
`4, 1988
`5, 1988
`6, 1988
`T. 1988
`T. 1988
`T. 1988
`T. 1988
`8, 1988
`9, 1988
`
`Howson
`Sinberg
`Fleischfresser et al.
`Porter et al.
`Rubin
`Rubin
`Joffe
`Forbes et al.
`Thelen
`Rubin
`Weikelet al.
`Gale
`Crane
`Janson et al.
`Kelley et al.
`Takayanagi et al.
`Archibald
`McCune
`Ziegler et al.
`Hyatt
`Kominami et al.
`Stammely
`Fruhauf
`Flores et al.
`Penn
`Annunziata et al.
`Ibata
`Ruckman
`Rummel
`Townsing
`Standler
`Wurzburg et al.
`Herman et al.
`Walter et al.
`Kobayashi et al.
`Stockdale
`Walsworth
`Coviello et al.
`Akano
`Ochs
`Crowe
`Busam et al.
`Bates et al.
`Crane
`Clift
`Carll et al.
`Noyes
`Frazer
`Zeder
`Schmall
`Jakab
`Naiwirt
`Suzuki et al.
`Gavrilovich
`Liptak, Jr. et al.
`Brown et al.
`Robinton
`Annunziata et al.
`Oliva et al.
`Kuo
`Graham
`Akano
`Jones et al.
`Fields
`Sterling, Jr. et al.
`Watkins
`Bonnet et al.
`Gilbert
`Puvogel
`McMurtry et al.
`Ito et al.
`Teich et al.
`Shalvi et al.
`Pezzolo et al.
`Puvogel
`Berruyer et al.
`Faulkner
`Oliver et al.
`Ziegler
`
`2
`
`CISCO 1005
`Cisco v. ChriMar
`
`
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`4,779,153
`4,782,322
`4,782,355
`4,782.482
`4,785,812
`4,799,211
`4,813,066
`4,815, 106
`4,817, 106
`4,821,319
`4,823,600
`4,825,349
`4,839,886
`4,862,158
`4,864,598
`4,866,768
`4,875,223
`4,882,728
`4,884,263
`4,884.287
`4.885,563
`4,896.315
`4,901,003
`4,901.217
`4,903,006
`4,907.261
`4,916,621
`4,918,688
`4,922,503
`4,926, 158
`4,935,926
`4,935,959
`4,937,811
`4,937,851
`4.942,604
`4,951.309
`4,953,055
`4,958,371
`4,961.222
`4,969,179
`4,973,954
`4,980.913
`4,991,123
`4,992,774
`4,998,275
`4,998,850
`5,003.457
`5,003,579
`5,007,858
`5,020, 100
`5,020,773
`5,021,779
`5,029,201
`5,032,819
`5,032,833
`5,033,112
`5,034,723
`5,034,738
`5,034,948
`5,034,978
`5,038,782
`5,051,723
`5,055,827
`5,056,131
`5,059,782
`5,059,948
`5,063.563
`5,063,585
`5,066,939
`5,066,942
`5,073.919
`5,076,763
`5,077,526
`RE33,807
`5,089,974
`
`10, 1988
`11, 1988
`11, 1988
`11, 1988
`11, 1988
`1, 1989
`3, 1989
`3, 1989
`3, 1989
`4, 1989
`4, 1989
`4, 1989
`6, 1989
`8, 1989
`9, 1989
`9, 1989
`10, 1989
`11, 1989
`11, 1989
`11, 1989
`12, 1989
`1, 1990
`2, 1990
`2, 1990
`2, 1990
`3, 1990
`4, 1990
`4, 1990
`5, 1990
`5, 1990
`6, 1990
`6, 1990
`6, 1990
`6, 1990
`7, 1990
`8, 1990
`8, 1990
`9, 1990
`10, 1990
`11, 1990
`11, 1990
`12, 1990
`2, 1991
`2, 1991
`3, 1991
`3, 1991
`3, 1991
`3, 1991
`4, 1991
`5, 1991
`6, 1991
`6, 1991
`7, 1991
`7, 1991
`7, 1991
`7, 1991
`7, 1991
`7, 1991
`7, 1991
`7, 1991
`8, 1991
`9, 1991
`10, 1991
`10, 1991
`10, 1991
`10, 1991
`11, 1991
`11, 1991
`11, 1991
`11, 1991
`12, 1991
`12, 1991
`12, 1991
`1, 1992
`2, 1992
`
`Tsubota
`Lechner et al.
`Sakai et al.
`Kiatipov et al.
`Pihl et al.
`Felker et al.
`Holtz et al.
`Propp et al.
`Thompson
`Middleton et al.
`Biegel et al.
`Marcel
`Wu et al.
`Keller et al.
`Lynch et al.
`Sinberg
`Curtis
`Herman
`Suzuki
`Jones et al.
`Johnson et al.
`Felker et al.
`Clegg
`Wilson
`Boomgaard
`Chapman
`Bean et al.
`Krause et al.
`Leone
`Zeigler
`Herman
`Markovic et al.
`Harris
`Lynch et al.
`Smith et al.
`Gross et al.
`Douhet et al.
`Damoci et al.
`Johansson et al.
`Kanare et al.
`Schwarz
`Skret
`Casamassima
`McCullough
`Braunstein et al.
`Crowell
`Ikei et al.
`Jones
`Daly et al.
`Gardiner
`Tuftet al.
`Bisak
`Bindels
`Sakuragi et al.
`Laporte
`Bowling et al.
`Maman
`Ishihara et al.
`Mizutani et al.
`Nguyen et al.
`Gevins et al.
`Long et al.
`Philipp
`Kanare et al.
`Fukuyama
`Desmeules
`Ikeda et al.
`Shapiro
`Mansfield, Jr.
`Matsuo
`Hagensick
`Anastos et al.
`Vokey et al.
`Abel et al.
`Demeyer et al.
`
`US 9,049,019 B2
`Page 3
`
`5,093,828
`RE33,900
`5,119,398
`5,119,402
`5,121.482
`5,121,500
`5,124,982
`5,131,033
`5,133,005
`5,136,580
`5,142,269
`5,144,544
`5,148,144
`5,162,672
`5,164,960
`5,168,170
`5,179,291
`5,179,710
`5,181,240
`5,189,409
`5, 192.231
`5, 195,183
`5, 199,049
`5,200,686
`5,200,743
`5,200,877
`5,216,704
`5,222, 164
`5,223,806
`5,226,120
`5,231.375
`5,235.599
`5,237,606
`5,241,160
`5,243,328
`5,249, 183
`5,255,962
`5,257,287
`5,260,664
`5,264,777
`5,267.238
`5,270,896
`5,275,172
`5,278,888
`5,280,251
`5,285.477
`5,289.359
`5,289.458
`5,289,461
`5,297,141
`5,301.246
`5,302.889
`5,306,956
`5,311,114
`5,311,518
`5,313,642
`5,315,237
`5,319,363
`5,321,372
`5,323,461
`5,333,177
`5,333,192
`5,336,946
`5,345,422
`5,345,592
`5,347,225
`5,351.272
`5,353,009
`5,357,145
`5,365,515
`5,368,041
`5,379,441
`5,381.804
`5,384,429
`5,389,882
`5,391.932
`5,396,555
`5,406,260
`5,408,669
`
`3, 1992
`4, 1992
`6, 1992
`6, 1992
`6, 1992
`6, 1992
`6, 1992
`7, 1992
`7, 1992
`8, 1992
`8, 1992
`9, 1992
`9, 1992
`11, 1992
`11, 1992
`12, 1992
`1, 1993
`1, 1993
`1, 1993
`2, 1993
`3, 1993
`3, 1993
`3, 1993
`4, 1993
`4, 1993
`4, 1993
`6, 1993
`6, 1993
`6, 1993
`7, 1993
`7, 1993
`8, 1993
`8, 1993
`8, 1993
`9, 1993
`9, 1993
`10, 1993
`10, 1993
`11, 1993
`11, 1993
`11, 1993
`12, 1993
`1, 1994
`1, 1994
`1, 1994
`2, 1994
`2, 1994
`2, 1994
`2, 1994
`3, 1994
`4, 1994
`4, 1994
`4, 1994
`5, 1994
`5, 1994
`5, 1994
`5, 1994
`6, 1994
`6, 1994
`6, 1994
`T/1994
`T/1994
`8, 1994
`9, 1994
`9, 1994
`9, 1994
`9, 1994
`10, 1994
`10, 1994
`11, 1994
`11, 1994
`1/1995
`1/1995
`1/1995
`2, 1995
`2, 1995
`3, 1995
`4, 1995
`4, 1995
`
`Braun et al.
`Howson
`Webber, Jr.
`Ginzburg et al.
`Patton
`Arlington et al.
`Kaku
`Reum
`Kelley et al.
`Videlock et al.
`Mueller
`Jenneve et al.
`Sutterlin et al.
`McMahan et al.
`Wincn et al.
`Hartig
`Nishikawa et al.
`Coschieri
`Sakuragi et al.
`Okuno
`Dolin, Jr.
`Miller et al.
`Wilson
`Lee
`St. Martin et al.
`Betton et al.
`Williams et al.
`Bass, Sr. et al.
`Curtis et al.
`Brown et al.
`Sanders et al.
`Nishimura et al.
`Ziermann
`Bashan et al.
`Lee et al.
`Wong et al.
`Neuhaus et al.
`Blumenthal et al.
`Graham
`Smead
`Yano et al.
`McDonald
`Ives
`Myllymaki
`Strangio
`Leonowich
`Ziermann
`Taha
`de Nijs
`Marum
`Archibald et al.
`Marsh
`Ikeda et al.
`Sambamurthy et al.
`Takato et al.
`Seigel
`Iwakura et al.
`Welch et al.
`Smith
`Rosenbaum et al.
`Braitberg et al.
`McGinn
`Segaram et al.
`Redwine
`Woodmas
`Graham
`Abraham
`Marsh et al.
`Segaram
`Graham
`Shambroom
`Watanabe et al.
`Shambroom
`Bulson et al.
`I'Anson et al.
`Small et al.
`Shibata et al.
`Cummings et al.
`Stewart et al.
`
`3
`
`CISCO 1005
`Cisco v. ChriMar
`
`
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`US 9,049,019 B2
`Page 4
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`5,414,708
`5,414,709
`5,420,572
`5,422,519
`5,424,710
`5.432,505
`5.438,606
`5.440,335
`5,441.520
`5,444, 184
`5,444,856
`5,446,914
`5.448,565
`5,450,486
`5,451,923
`5,452,344
`5,455,467
`5,457,629
`5,459.283
`5,461,671
`5,467,061
`5,467,384
`5,469,437
`5,477,091
`5483,574
`5483,656
`5,485.488
`5.488.306
`5.491463
`5,493,684
`5,497,460
`5,498,911
`5,513.370
`5,514,859
`5,515,303
`5,517, 172
`5,519,882
`5,523,747
`5,526,349
`5,528,248
`5,528,507
`5,528,661
`5,531,611
`5,532,898
`5,535,336
`5,537,468
`5,540,235
`5,541,957
`5,548.466
`5,560,022
`5,560,357
`5,563,489
`5,568,525
`5,570,002
`5,572, 182
`5,574,748
`5,577,023
`5,577,026
`5,578,991
`5,581,772
`5,586,054
`5,586,273
`5,594,332
`5,594,732
`5,596,473
`5,596,637
`5,608,545
`5,608,792
`5,610,593
`5,617.418
`5,623, 184
`5,630,058
`5,631,570
`5,631,846
`5,635,896
`
`5, 1995
`5, 1995
`5, 1995
`6, 1995
`6, 1995
`7, 1995
`8, 1995
`8, 1995
`8, 1995
`8, 1995
`8, 1995
`8, 1995
`9, 1995
`9, 1995
`9, 1995
`9, 1995
`10, 1995
`10, 1995
`10, 1995
`10, 1995
`11, 1995
`11, 1995
`11, 1995
`12, 1995
`1, 1996
`1, 1996
`1, 1996
`1, 1996
`2, 1996
`2, 1996
`3, 1996
`3, 1996
`4, 1996
`5, 1996
`5, 1996
`5, 1996
`5, 1996
`6, 1996
`6, 1996
`6, 1996
`6, 1996
`6, 1996
`T. 1996
`T. 1996
`T. 1996
`T. 1996
`T. 1996
`T. 1996
`8, 1996
`9, 1996
`10, 1996
`10, 1996
`10, 1996
`10, 1996
`11, 1996
`11, 1996
`11, 1996
`11, 1996
`11, 1996
`12, 1996
`12, 1996
`12, 1996
`1/1997
`1/1997
`1/1997
`1/1997
`3, 1997
`3, 1997
`3, 1997
`4, 1997
`4, 1997
`5, 1997
`5, 1997
`5, 1997
`6, 1997
`
`Webber et al.
`Baze
`Dolin, Jr. et al.
`Russell
`Baumann
`Wise
`Cerulli
`Beveridge
`Olsen et al.
`Hassel
`Bowers et al.
`Paul et al.
`Chang et al.
`Maas et al.
`Seberger et al.
`Larson
`Young et al.
`Miller et al.
`Birdwell, Jr.
`Sakuragi et al.
`Aden et al.
`Skinner, Sr.
`Runaldue
`Fiorina et al.
`Yuyama
`Oprescu et al.
`Van Brunt et al.
`Bonaccio
`Sargeant et al.
`Gephardt et al.
`Bailey et al.
`Bossler et al.
`Paul
`Seigel
`Cargin, Jr. et al.
`Chiu
`Asano et al.
`Wise
`Diaz et al.
`Steiner et al.
`McNamara et al.
`Siu et al.
`Reed et al.
`Price
`Smith et al.
`Hartmann
`Wilson
`Lau
`Smith
`Dunstan et al.
`Faupel et al.
`Murry
`de Nijs et al.
`Castleman
`De Pinho Filho et al.
`Vander Mey et al.
`Marum et al.
`Gordon et al.
`Scholder
`Nanno et al.
`Jensen et al.
`Blair et al.
`Harman et al.
`Bell et al.
`Johnson et al.
`Pasetti et al.
`Kagawa
`Laidler
`Seto
`Shirani et al.
`Rector
`Mosley et al.
`King
`Szurkowski
`Tinsley et al.
`
`5,642,248
`5,645,434
`5,649,001
`5,652.479
`5,652,575
`5,652,893
`5,652,895
`5,655.077
`5,659,542
`5,664,002
`5,670,937
`5,671,354
`5,675,321
`5,675,371
`5,675,811
`5,675,813
`5,678,547
`5,678,559
`5,679,987
`5,684.826
`5,684.950
`5,686,826
`5,687,174
`5,689.230
`5,692.917
`5,696,660
`5,706,287
`5,715,174
`5,715,287
`5,729,154
`5,729.204
`5,742,216
`5,742,514
`5,742,833
`5,754,764
`5,756,280
`5,758,101
`5,761,084
`5,764,647
`5,766,133
`5,768,301
`5,779,196
`5,781,015
`5,783,999
`5,784,441
`5,790,363
`5,793,764
`5,796,185
`5,796,965
`5,799,040
`5,799,194
`5,799,196
`5,802,042
`5,802,305
`5,805,597
`5,805,904
`5,808,846
`5,810,606
`5,812,531
`5,814,900
`5,815,665
`5,821,868
`5,828.293
`5,834,942
`5,835,005
`5,836,785
`5,838,683
`5,841,203
`5,841,360
`5,842,955
`5,845,150
`5,845,190
`5,848, 149
`5,854,824
`5,854,839
`5,859,584
`5,859,596
`5,884,086
`5,896,415
`
`6, 1997
`7/1997
`7/1997
`7/1997
`7/1997
`7/1997
`7/1997
`8, 1997
`8, 1997
`9, 1997
`9, 1997
`9, 1997
`10, 1997
`10, 1997
`10, 1997
`10, 1997
`10, 1997
`10, 1997
`10, 1997
`11/1997
`11/1997
`11/1997
`11/1997
`11/1997
`12, 1997
`12, 1997
`1, 1998
`2, 1998
`2, 1998
`3, 1998
`3, 1998
`4, 1998
`4, 1998
`4, 1998
`5, 1998
`5, 1998
`5, 1998
`6, 1998
`6, 1998
`6, 1998
`6, 1998
`7, 1998
`7, 1998
`7, 1998
`7, 1998
`8, 1998
`8, 1998
`8, 1998
`8, 1998
`8, 1998
`8, 1998
`8, 1998
`9, 1998
`9, 1998
`9, 1998
`9, 1998
`9, 1998
`9, 1998
`9, 1998
`9, 1998
`9, 1998
`10, 1998
`10, 1998
`11, 1998
`11, 1998
`11, 1998
`11, 1998
`11, 1998
`11, 1998
`12, 1998
`12, 1998
`12, 1998
`12, 1998
`12, 1998
`12, 1998
`1/1999
`1/1999
`3, 1999
`4, 1999
`
`Campolo et al.
`Leung
`Thomas et al.
`LoCascio et al.
`Pryor et al.
`Ben-Meir et al.
`Poisner
`Jones et al.
`Bell et al.
`Skinner, Sr.
`Right et al.
`Ito et al.
`McBride
`Barringer
`Broedner et al.
`Holmdahl
`Faupel et al.
`Drakulic
`Ogawa
`Ratner
`Dare et al.
`Kurtz et al.
`Edem et al.
`Merwin et al.
`Rieb et al.
`Price
`Leimkoetter
`Cotichini et al.
`Wadhawan et al.
`Taguchi et al.
`Fackler et al.
`Iwasaki et al.
`Bonola
`Dea et al.
`Davis et al.
`Soora et al.
`Pemberton
`Edwards
`Riley
`Faisandier
`Dreyer et al.
`Timar
`Duffin et al.
`Price et al.
`Davis et al.
`Chaudhry
`Bartoldus et al.
`Takata et al.
`Choi et al.
`Lau
`Allen et al.
`Flannery
`Natarajan et al.
`McKaughan et al.
`Edem
`Jung
`Holce et al.
`Ballast et al.
`Cheung et al.
`Esser et al.
`Teper et al.
`Kuhling
`Rickard
`De Angelis
`Furukawa et al.
`Lee
`Corley et al.
`Chambers et al.
`Binder
`Wilkinson
`Henion
`Bushue et al.
`Chen et al.
`Bengal et al.
`Chen et al.
`Counsell et al.
`McRae
`Amoni et al.
`Owens et al. ................. 375,224
`
`ck
`
`4
`
`CISCO 1005
`Cisco v. ChriMar
`
`
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`5,896,509
`5,909.445
`5,915,002
`5,918,016
`5,920,253
`5,920,266
`5,923,363
`5,923,663
`5,929,624
`5,929,626
`5,929,778
`5,933,073
`5,933,590
`5.937,033
`5,939,801
`5,944,659
`5,944,824
`5,944,831
`5,946, 180
`5,948.077
`5,949,806
`5,949,974
`5,953,314
`5,960,208
`5,963,557
`5,971,804
`5.991,311
`5,991.885
`5,994,998
`5,995.348
`5,995.353
`6,000,003
`6,005,760
`6,009,479
`6,011,680
`6,011,794
`6,011,910
`6,016,519
`6,018,452
`6,021,493
`6,021.496
`6,031,368
`6,033,101
`6,038.457
`6,042,390
`6,044,081
`6,047,376
`6,049,139
`6,049,881
`6,057,670
`6,064,305
`6,069,899
`6,091,722
`6,092,131
`6,092,196
`6,095,867
`6,097,761
`6,100,471
`6,101,459
`6,108,330
`6,111,936
`6,115,468
`6,121,778
`6,125,448
`6,130,894
`6,130,896
`6,134,666
`6,137,839
`6,140,911
`6,141,763
`6,144,722
`6,147,601
`6,147,603
`6,147,963
`6,154,488
`
`4, 1999
`6, 1999
`6, 1999
`6, 1999
`7, 1999
`7, 1999
`7, 1999
`7, 1999
`7, 1999
`7, 1999
`7, 1999
`8, 1999
`8, 1999
`8, 1999
`8, 1999
`8, 1999
`8, 1999
`8, 1999
`8, 1999
`9, 1999
`9, 1999
`9, 1999
`9, 1999
`9, 1999
`10, 1999
`10, 1999
`11, 1999
`11, 1999
`11, 1999
`11, 1999
`11, 1999
`12, 1999
`12, 1999
`12, 1999
`1, 2000
`1, 2000
`1, 2000
`1, 2000
`1, 2000
`2, 2000
`2, 2000
`2, 2000
`3, 2000
`3, 2000
`3, 2000
`3, 2000
`4, 2000
`4, 2000
`4, 2000
`5, 2000
`5, 2000
`5, 2000
`T/2000
`T/2000
`T/2000
`8, 2000
`8, 2000
`8, 2000
`8, 2000
`8, 2000
`8, 2000
`9, 2000
`9, 2000
`9, 2000
`10, 2000
`10, 2000
`10, 2000
`10, 2000
`10, 2000
`10, 2000
`11, 2000
`11, 2000
`11, 2000
`11, 2000
`11, 2000
`
`Sugimoto
`Schneider
`Shimosako
`Brewer et al.
`Laine
`Allgood et al.
`Elberbaum
`Bontemps et al.
`Ricq et al.
`Iwasaki et al.
`Asama et al.
`Shuey
`Allen
`Bellows
`Bouffard et al.
`Flach et al.
`He
`Pate et al.
`Simpson
`Choi et al.
`Ness et al.
`Ewing et al.
`Ganmukhi et al.
`Obata et al.
`Eng
`Gallagher et al.
`Long et al.
`Chang et al.
`Fisher et al.
`McCartan et al.
`Cunningham et al.
`Allen et al.
`Holce et al.
`Jeffries
`Solleder et al.
`Mordowitz et al.
`Chau et al.
`Chida et al.
`Meyerhoefer et al.
`Cromer et al.
`Dutcher et al.
`Klippel et al.
`Reddick et al.
`Barkat
`Leung
`Bell et al.
`Hosoe
`Nagaura et al.
`Massman et al.
`Sink et al.
`Lockyer
`Foley
`Russell et al.
`Caldwell et al.
`Reiche
`Brandt et al.
`Buhring et al.
`Fouache
`Tavallaei et al.
`Bhatia et al.
`Bremer
`De Nicolo
`Moore
`Schwan et al.
`Ojard et al.
`Lueker et al.
`De Nicolo
`Mannering et al.
`Fisher et al.
`Smith et al.
`Anderson et al.
`Sandelman et al.
`Rand
`Walker et al.
`Hunt
`
`US 9,049,019 B2
`Page 5
`
`6,157,534
`6,169,475
`6,169,883
`6,171,152
`6,172,606
`6,175,556
`6,178,176
`6,178.455
`6,178.458
`6,178,514
`6,181,140
`6,186,803
`6,205,137
`6,215,789
`6,218,930
`6,219,216
`6,222,852
`6,233,613
`6,233,689
`6,236,625
`6,236,653
`6,243,394
`6,243,818
`6,246,748
`6,252,878
`6.253,121
`6,259,745
`6,272,219
`6,272,552
`6,275,498
`6,278.357
`6,278,665
`6.279,060
`6,292,901
`6,295,356
`6,295.569
`6,300,847
`6,301,527
`6,311,173
`6,314,102
`6,317,675
`6,324,268
`6,329,810
`6,332,166
`6,344,794
`6,348,874
`6,349,353
`6,351,648
`6,359,906
`6,362.909
`6,366,143
`6,366,208
`6,366,618
`6,373,851
`6,377,874
`6,383,076
`6,384,755
`6,385,030
`6,393,050
`6,393,474
`6,393,607
`6,396,391
`6,398,779
`6,415,244
`6,418,332
`6.420,976
`6,449,348
`6,456,625
`6.459, 175
`6,473,608
`6,480,510
`6,483,903
`6,496,103
`6,504.825
`6,522, 151
`6,526,516
`6,529, 127
`6,535,983
`6,546,494
`
`12, 2000
`1, 2001
`1, 2001
`1, 2001
`1, 2001
`1, 2001
`1, 2001
`1, 2001
`1, 2001
`1, 2001
`1, 2001
`2, 2001
`3, 2001
`4, 2001
`4, 2001
`4, 2001
`4, 2001
`5/2001
`5/2001
`5/2001
`5/2001
`6, 2001
`6, 2001
`6, 2001
`6, 2001
`6, 2001
`T/2001
`8, 2001
`8, 2001
`8, 2001
`8, 2001
`8, 2001
`8, 2001
`9, 2001
`9, 2001
`9, 2001
`10, 2001
`10, 2001
`10, 2001
`11, 2001
`11, 2001
`11, 2001
`12, 2001
`12, 2001
`2, 2002
`2, 2002
`2, 2002
`2, 2002
`3, 2002
`3, 2002
`4, 2002
`4, 2002
`4, 2002
`4, 2002
`4, 2002
`5/2002
`5/2002
`5/2002
`5/2002
`5/2002
`5/2002
`5/2002
`6, 2002
`T/2002
`T/2002
`T/2002
`9, 2002
`9, 2002
`10, 2002
`10, 2002
`11, 2002
`11, 2002
`12, 2002
`1, 2003
`2, 2003
`2, 2003
`3, 2003
`3, 2003
`4/2003
`
`Gallagher et al.
`Browning
`Vimparietal.
`Kunz
`Lockyer
`Allen, Jr. et al.
`Voloshin et al.
`Schutte et al.
`Wang
`Wood
`Vokey et al.
`Garside
`Ariga
`Keenan et al.
`Katzenberg et al.
`Holce et al.
`Gandy
`Walker et al.
`Allen et al.
`Schell et al.
`Dalton et al.
`Deng
`Schwan et al.
`Yano
`Locklear, Jr. et al.
`Cline et al.
`Chan
`De Bruycker et al.
`Melvin et al.
`Bisceglia et al.
`Croushore et al.
`Schell et al.
`Luke et al.
`Lys et al.
`De Nicolo
`Shimura et al.
`Gallagher et al.
`Butland et al.
`Levin et al.
`Czerwiec et al.
`Stolzl et al.
`Balachandran et al.
`Reid
`Cranford, Jr. et al.
`Ulrich et al.
`Cole et al.
`Lewis et al.
`Karapetkov et al.
`Dyke et al.
`Bedrosian
`Liu et al.
`Hopkins et al.
`Miller
`Dadario
`Ykema
`Tiedeken
`Hayden
`Beene
`Liu
`Eichert et al.
`Hughes et al.
`Binder
`Buysse et al.
`Dickens et al.
`Mastrototaro et al.
`Baggs et al.
`Lamb et al.
`Itoi
`Potega
`Lehr et al.
`Binder
`Itay et al.
`Weiss et al.
`Atkins et al.
`Armistead et al.
`Ishikawa et al.
`Townsend et al.
`McCormack et al.
`Jackson et al.
`
`5
`
`CISCO 1005
`Cisco v. ChriMar
`
`
`
`US 9,049,019 B2
`Page 6
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`5/2003 Rakshani et al.
`6,571,181 B1
`7, 2003 Lamb
`6,587,454 B1
`10/2003 Keyghobad et al.
`6,640,308 B1
`1 1/2003 Lehr et al.
`6,643,566 B1
`12/2003 Bissell et al.
`6,658,108 B1
`12/2003 Thakur et al.
`6,665,306 B1
`1/2004 Miyamoto
`6,681,013 B1
`3, 2004 Bell
`6,701,443 B1
`6, 2004 Chan
`6,744,831 B2
`6, 2004 El-Kik et al.
`6,744,888 B1
`6/2004 Harvey
`6,753,671 B1
`7/2004 Cafiero et al.
`6,762,675 B1
`9, 2004 Huang
`6,795,493 B1
`$392, R 83. E. R tal
`J. J. W.
`eyernoeier et al.
`7,158.483 B1
`1/2007 Takabatake et al.
`7,275,255 B2
`9, 2007 Suda et al.
`
`FOREIGN PATENT DOCUMENTS
`
`CN
`CN
`DE
`DE
`DE
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`E.
`FR
`GB
`JP
`JP
`JP
`JP
`JP
`E.
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`E.
`JP
`JP
`KR
`WO
`WO
`WO
`WO
`
`2, 1996
`1117614 A
`5, 1997
`1150359 A
`9, 1990
`3907652 A1
`8, 1992
`4203304 A1
`5, 1993
`4138065 A1
`OO93095 A2 11/1983
`OO93095 A3 12/1986
`O357482 A2
`3, 1990
`O386659 A2
`9, 1990
`O415312 A1
`3, 1991
`O6399.16 A2
`2/1995
`O6939916 A2
`2?1995
`s R 3.28.
`2682843 A1
`4f1993
`22499.19 A
`5, 1992
`6O164289 A
`8, 1985
`63018741 A
`1, 1988
`63059 144 A
`3, 1988
`1.016053 A
`1, 1989
`1160198 A
`6, 1989
`o:S A 388
`3143130 A
`6, 1991
`4020 192 A
`1, 1992
`4180430 A
`6, 1992
`O43.58493 A 12/1992
`05O12576 A
`1, 1993
`5150854. A
`6, 1993
`06.012579 A
`1, 1994
`O6075652 A
`3, 1994
`062 16913. A
`8, 1994
`0626.1041 A
`9, 1994
`H6244893
`3.
`O7OO7517 A
`1, 1995
`O80O8903. A
`1, 1996
`08096900 A
`4, 1996
`H3204782
`8, 1996
`O8265727 A 10, 1996
`H3307476
`11, 1996
`O8322164 A 12/1996
`O9153905. A
`6, 1997
`O9275387 A 10, 1997
`93.05508 A 11, 1997
`O9325927 A 12/1997
`19 SE 2. A
`2, 1998
`1004 1964. A
`3, 1998
`100661 10 A
`9, 1990
`900007034 B1
`WO-9217968 A1 10, 1992
`WO-930251.0 A1
`2, 1993
`WO-9623377 A1
`8, 1996
`WO-9627967 A1
`9, 1996
`
`WO
`WO
`WO
`WO
`WO
`WO
`
`9, 1996
`WO-9629638 A1
`WO-96.28940 A3 11, 1996
`WO-96.28920 A3 12, 1996
`WO-97.09667 A1
`3, 1997
`WO-9857248 A2 12, 1998
`WO-993.4591 A1
`7, 1999
`
`OTHER PUBLICATIONS
`& 8
`100 Mb's data Transmission on UTP and STP Cabling for Demand
`Priority Networks” (By Hewlett Packard, HP Laboratories Bristol,
`HPL-94-88, Oct. 1994).
`“100 Years of BellTelephones' Book (Author: Richard Mountjoy,
`A Schiffer Book, 1995).
`"S500 Per Seat ATM'?” (Business Communications Review, Jan.
`1995).
`AccessHub Line Unit 13 Model MMH-220 by PairGain Technolo
`gies, Inc.—Rev. 01, (Jul. 30, 1997), 20 pages.
`Adtran Model Adtran D448 U-BR1TE IIISDN2B1G Interface for
`Alcatel D448 Ch
`1 Banks Installation/Mai
`Secti
`cate
`ae
`S Installation Maintenance—Section
`6143.0020L2-5-Issue 1. (Jul. 1997), 7 pages.
`Advanced Micro Devices, Inc., Chipcom Corporation, Digital Equip
`ment Corporation, Motorola Inc., and SynOptics Communications,
`Inc., “Shielded Twisted Pair Proposal for the TP-PMD Working
`Group” (Jun. 1991).
`Advanced Micro Devices, “Implementing FDDI Over Copper The
`ANSI X3T9.5 Standard–Application Note”. Pub. #18258, Rev. A
`(Nov. 1993).
`Attil 8,t Network Monitor, LAN Magazine, vol.
`, NO. O. (Jun.
`pageS.
`“Alternate Copper Media for FDDI' by Chipcom Corporation, 33
`pages (Jun. 1990).
`AMD, Chipcom, DEC, IBM, Motorola, SynOptics, “STPProposal—
`Introduction”. (Oct. 15, 1991).
`AMD, Chipcom, DEC. IBM, Motorola and SynOptics, “Wire Fault
`Detect Function”. ANSI X3T9.2 FDDI TP-PMD Working Group,
`(Oct. 15, 1991).
`AMD, Chipcom, Digital, IBM, Motorola and SynOptics, “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.
`An
`“Theft D ion M for Use with Coaxial Cables.”
`(U E"; eft Detection Means for Use with Coaxial Cables,
`ndated), 1 page.
`ANSI/IEEE 802 4-1990". Information processing systems—Lo
`cal area networks—Part 4: Token-passing bus access method and
`physical layer specifications” (1990).
`ANSI/IEEE Std 802.2
`IEEE Standard for Information technol
`ogy Telecommunications and information exchange between sys
`tems—Local and metropolitan area networks—Specific require
`ments—Part 2: Logical Link Control” (1998 Edition).
`ANSI/IEEE Std 8025-1985 ISO/DP 8802.5 Local area Net
`works—ANSI/IEEE Standard ISO Draft Proposal Token Ring
`s
`Access Method” (1985).
`& 8 NSI/IEEE Std 8025-1998E Information technology Tele
`communications and information exchange between systems—Lo
`cal and metropolitan area networks Specific requirements—Part 5:
`Token ring access method and Physical Layer specifications” (1998).
`“ANSI INCITS 229-1994 (R1999)” “for Information Systems
`Fibre Distributed Data Interface (FDDI)—Station Management
`(SMT)” (1994).
`“ANSIX3.166-1990” “for Information Systems’ “Fibre Distrib
`uted Data Interface (FDDI) Token Ring Physical Layer Medium
`Dependent (PMD) (1999).
`d
`g8
`w
`NSIX3.166-1990
`for Information Technology
`Fibre Dis
`tributed Data Interface (FDD). Token Ring Twisted Pair Physical
`Layer Medium Dependent (TP-PMD) (1990).
`“ANSIX3.263-1995” “for Information Technology” Fibre Dis
`tributed Data Interface (FDDI) Token Ring Twisted Pair Physical
`Layer Medium Dependent (TP-PMD) (1995).
`
`6
`
`CISCO 1005
`Cisco v. ChriMar
`
`
`
`US 9,049,019 B2
`Page 7
`
`(56)
`
`References Cited
`
`OTHER PUBLICATIONS
`
`“A proposal for a Low-Cost FDDI UTP/STP PMD Standard” by
`Mario MaZZola, Crescendo Communications 31 pages (Oct. 15,
`1991).
`“ATM: Ready for Lift-Off (Information Week, Feb. 6, 1995).
`“ATM takes to twisted-pair' (Electronic Engineering Times, Dec. 19.
`1994).
`“ATM to run over copper wire” (Computer World, Jan. 23, 1995).
`"Attachment Module Guide for the IBM Token-Ring Network.”
`IBM, Apr. 1992.
`Avaya, “Merlin Magix Integrated System—Installation Release 3.0
`and Earlier.” 555-730-140, Issue 1, May 2003, 329 pages.
`“AT&T Merlin Phones.” (Web Document), 3 pages.
`AT&T, “Merlin Plus Communications System—Training Manual.”
`Dec. 1986, 999-505-144, Issue 1, 80 pages.
`AT&T, “Merlin Plus Communications System—System Planner.”
`Sep. 1988, 999-501-141, Issue 1, 18 pages.
`AT&T, “Merlin
`Plus Communications System—Release
`1—Customization Chart.” Nov. 1988,999-503-146, Issue 1, 6 pages.
`“AT&T Merlin' (Wikipedia Web Document), 3 pages.
`AT&T Technologies, “Telecommunications Transmission Engineer
`ing', vol. 1, Principles (1975).
`Avaya Communication, “Intuity Messaging Solutions Release 5 Inte
`gration with Merlin Legend and Merlin Magix Communications
`Systems.” Jan. 2001, 585-310-748, Issue 2, Chapter 4, pp. 4-1-4-29.
`Bay Networks Public Information, “LattisNet (Pre-10BaseTVersus
`10BaseT". Technical Response Center, Technical Tip (Date
`Unknown).
`“Bear Sterns New Age Media II” (by Cliff Friedman) Date
`Unknown.
`Bradley, et al., “Track Devices on a Mac Network.” The Local Area
`Network Magazine 7.n9, p. 162(1), (Sep. 1992).
`Bradley, et al., “Unix-based Tracking Software.” The Local Area
`Network Magazine 7.n9, p. 162(2), (Sep. 1992).
`“Broadband to Homes” (Interactive Age, Dec. 12, 1994).
`“Cards to Handle Fast ATM on Standard Wire” (Communications
`Week, Nov. 14, 1994).
`Chapter I LattisNet Operation, Ethernet Connectivity Guide, 145
`pageS.
`“Cheap transceivers vault Tut into ATM, rural I-way markets”
`(MacWeek, Dec. 12, 1994).
`Chipcom Corporation, “FDDI-An Introduction to Fiber Distributed
`Data Interface” (Date Unknown).
`Chipcom, “Jan. 1992 FDDI Product Direction FDDI Connectiv
`ity” (Jan. 1992).
`Chipcom Corporation, “Online FDDI Media Modules Release
`Notes” (Apr. 14, 1994).
`Cisco For All “What is DSL and its Different Flavors?” (Date
`Unknown), 3 pages.
`“Cisco System backs proposed specification for FDDI over shielded
`twisted-pair” by BusinessWire (May 22, 1991) and "News & Analy
`sis FDDI Over STP'? Sounds Great, But Where Is It?” by Laura Didio
`from LAN Times (Jun. 3, 1991) 1 page.
`Closeup Article—The LAN Inner Circle 15 pages (Mar. 25, 1985).
`Coilcraft, “10 Base T Transformers—Dual Transformer Package”
`(Jun. 1989).
`Colin, et al., “Testing the LAN Testers.” Network World, (Sep. 10,
`1990), pp.39-40, 44-45, 48, 74.
`Communications Week, “Crescendo Preps PC CDDI Card” (Oct. 26.
`1992).
`Communication Week Article: "FDDI Spec Consortium' 2 pages
`(May 27, 1991).
`“ComNet focuses on routing, ATM” (PC Week, Jan. 23, 1995).
`“Companies Cooperate to Publish Open Specification for FDDI on
`Shielded Twisted Pair Cable” “Five Industry Leaders Demonstrate
`Interoperability of Products” (Author Unknown) 2 pages (May 21,
`1991).
`Computerworld, “Network Peripherals Cuts FDDI Prices” (Dec. 7,
`1992).
`
`Computerworld, “Vendors BackNext-Generation FDDI; Unshielded
`Twisted-Pair Products for High-Speed Nets Leapfrog Draft Stan
`dard” (May 3, 1993).
`Cook, John, “Line Codes for FDDI Over Copper' BT Laboratories,
`Copper Access Systems Section (Date Unknown).
`“Copper Cable with HDSL' A Technology Brief from PairGain
`Technologies, Inc., (Date Unknown), 5 pages.
`Crescendo Communications, Mazzola, Mario; “A Prop