`US009019838B2
`
`c12) United States Patent
`Austermann, III et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 9,019,838 B2
`Apr. 28, 2015
`
`(54) CENTRAL PIECE OF NE1WORK
`EQUIPMENT
`
`(75)
`
`Inventors: John F. Austermann, III, Huntington
`Woods, MI (US); Marshall B.
`Cummings, Troy, MI (US)
`
`(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.: 13/615,734
`
`(22) Filed:
`
`Sep.14,2012
`
`(65)
`
`Prior Publication Data
`
`US 2013/0010846Al
`
`Jan. 10, 2013
`
`Related U.S. Application Data
`
`(63)
`
`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
`of
`application
`No.
`continuation-in-part
`PCT/US99/07846, filed onApr. 8, 1999.
`
`(60) Provisional application No. 60/081,279, filed on Apr.
`10, 1998.
`
`(51)
`
`Int. CI.
`H04L 12112
`G08B 13114
`H04L 1/24
`H04B 3154
`(52) U.S.CL
`CPC .. H04L 1124 (2013.01); H04B 3154 (2013.01);
`
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`
`H04B 220315445 (2013.01); H04B 220315458
`(2013.01); H04B 220315466 (2013.01); H04B
`22031547 (2013.01); H04B 220315491
`(2013.01); H04B 220315495 (2013.01)
`( 58) Field of Classification Se~h
`None
`See application file for complete search history.
`
`(56)
`
`References Cited
`
`,
`
`U.S. PATENT DOCUMENTS
`
`202,495 A
`244,426 A
`406,567 A
`
`4/1878 Watson
`7/1881 Bell
`7/1889 Edison
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`CA
`CN
`
`2/1998
`2183106 Al
`2050662 u
`1/1990
`(Continued)
`
`OTHER PUBLICATIONS
`
`"lOBaseT 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 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 and at
`least one electrical supply used by the central piece of net(cid:173)
`work equipment to change impedance between at least one of
`the contacts of the first pair of contacts and at least one of the
`contacts of the second pair of contacts.
`
`92 Claims, 13 Drawing Sheets
`
`EXHIBIT 2037
`~ich Seifert
`'Jate: 11¥15/16
`"'JR: 4sllley....,,. _, 12019
`
`Chrimar Systems, Inc.
`Exhibit 2037-1
`IPR2016-00569 USPN 8,942,107
`
`
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`2,846,509 A
`3,359,379 A
`3,407,400 A
`3,408,643 A
`3,423,521 A
`3,425,050 A
`3,500,132 A
`3,535,472 A
`3,537,095 A
`3,593,274 A
`3,597,549 A
`3,618,065 A
`3,634,845 A
`3,659,277 A
`3,696,378 A
`3,697,984 A
`3,731,012 A
`3,758,728 A
`3,768,084 A
`3,781,481 A
`3,794,989 A
`3,818,179 A
`3,828,139 A
`3,832,521 A
`3,832,678 A
`3,836,901 A
`3,842,218 A
`3,848,179 A
`3,863,036 A
`3,868,484 A
`3,886,419 A
`RE28,692 E
`3,932,857 A
`3,969,594 A
`3,983,338 A
`4,024,359 A
`4,024,360 A
`4,054,760 A
`4,063,220 A
`4,064,431 A
`4,101,878 A
`4,121,201 A
`4,128,804 A
`4,131,767 A
`4,156,799 A
`4,160,884 A
`4,161,719 A
`4,162,489 A
`4,173,714 A
`4,179,688 A
`4,186,339 A
`4,191,971 A
`4,230,912 A
`4,232,199 A
`4,254,305 A
`4,260,882 A
`4,268,723 A
`4,273,955 A
`4,277,740 A
`4,282,407 A
`4,290,056 A
`4,292,480 A
`4,293,948 A
`4,303,073 A
`4,313,081 A
`4,315,107 A
`4,322,677 A
`4,340,788 A
`4,348,661 A
`4,349,703 A
`4,350,849 A
`4,367,455 A
`4,383,315 A
`4,388,667 A
`4,397,020 A
`
`8/1958 Dubuar
`12/1967 Pullum et al.
`10/1968 Lurie
`10/1968 Sliman
`111969 Friesen et al.
`111969 Tellerman et al.
`3/1970 Garrett
`10/1970 Babbitt, III
`10/1970 Cones
`7/1971 K.rugler, Jr.
`8/1971 Fanner et al.
`1111971 Trip et al.
`111972 Colman
`4/1972 Brown
`10/1972 Daniel
`10/1972 Atkinson et al.
`5/1973 Shaffer
`9/1973 Le Roch et al.
`10/1973 Haynes
`12/1973 Shaffer et al.
`2/1974 Manley et al.
`6/1974 Mase
`8/1974 Chambers, Jr.
`8/1974 Niendorf
`8/1974 Gysell et al.
`9/1974 Matto et al.
`10/1974 DeLucaet al.
`1111974 Kayama
`111975 McCrudden
`2/1975 Bolton et al.
`5/1975 Omura et al.
`111976 Highstone et al.
`111976 Way et al.
`7/1976 DeLucaet al.
`9/1976 Mathauser
`5/1977 De Marco et al.
`5/1977 Biraghi et al.
`10/1977 Morgen
`12/1977 Metcalfe et al.
`12/1977 Cote
`7/1978 Shimizu et al.
`10/1978 Weathers
`1211978 Russell
`12/1978 Weinstein
`5/1979 Cave
`711979 Bishop
`7/1979 Parikh et al.
`7/1979 Thilo et al.
`11/1979 Bloch eta!.
`12/1979 Romney
`111980 Finger
`3/1980 Dischert et al.
`10/1980 Lee et al.
`11/1980 Boatwright et al.
`3/1981 Treiber
`4/1981 Barnes
`5/1981 Taylor
`6/1981 Armstrong
`7/1981 Parks
`8/1981 Stiefel
`9/1981 Chow
`9/1981 Sweatt
`10/1981 Soderblom
`12/1981 Archibald
`111982 Smith
`2/1982 Ciesielka et al.
`3/1982 Wright
`7/1982 Sbuelz
`9/1982 Lucchesi
`9/1982 Chea, Jr.
`9/1982 Ahuja
`111983 Fried
`5/1983 Tomg
`6/1983 Saurenman
`8/1983 Howson
`
`US 9,019,838 B2
`Page2
`
`4,398,066 A
`4,410,982 A
`4,413,250 A
`4,438,298 A
`4,446,341 A
`4,454,477 A
`4,463,352 A
`4,464,658 A
`4,467,147 A
`4,467,314 A
`4,475,079 A
`4,479,228 A
`4,482,999 A
`4,484,028 A
`4,487,836 A
`4,494,541 A
`4,495,494 A
`4,507,568 A
`4,524,349 A
`4,525,636 A
`4,527,216 A
`4,528,667 A
`4,532,626 A
`4,535,401 A
`4,551,671 A
`4,564,726 A
`4,571,656 A
`4,575,714 A
`4,578,539 A
`4,586,104 A
`4,593,389 A
`4,602,364 A
`4,611,101 A
`4,617,656 A
`4,622,541 A
`4,629,836 A
`4,631,367 A
`4,633,217 A
`4,636,771 A
`4,639,714 A
`4,647,721 A
`4,647,912 A
`4,649,548 A
`4,654,638 A
`4,654,640 A
`4,656,318 A
`4,658,099 A
`4,658,242 A
`4,661,797 A
`4,661,979 A
`4,670,902 A
`4,674,084 A
`4,685,129 A
`4,686,514 A
`4,691,344 A
`4,692,761 A
`4,701,630 A
`4,701,946 A
`4,712,233 A
`4,717,896 A
`4,719,616 A
`4,723,267 A
`4,728,948 A
`4,729,125 A
`4,731,810 A
`4,731,829 A
`4,733,223 A
`4,733,389 A
`4,736,195 A
`4,737,787 A
`4,742,334 A
`4,751,498 A
`4,755,792 A
`4,755,922 A
`4,758,823 A
`4,760,382 A
`4,766,386 A
`4,771,229 A
`4,779,153 A
`
`8/1983 Sinberg
`10/1983 Fleischfresser et al.
`11/1983 Porter et al.
`3/1984 Rubin
`5/1984 Rubin
`6/1984 Joffe
`7/1984 Forbes et al.
`8/1984 Thelen
`8/1984 Rubin
`8/1984 Weikel et al.
`10/1984 Gale
`10/1984 Crane
`1111984 Janson et al.
`1111984 Kelley et al.
`12/1984 Takayanagi et al.
`111985 Archibald
`1/1985 McCune
`3/1985 Ziegler et al.
`6/1985 Hyatt
`6/1985 Kominami et al.
`7/1985 Stammely
`7/1985 Fruhauf
`7/1985 Flores et al.
`8/1985 Penn
`11/1985 Annunziata et al.
`111986
`lbata
`2/1986 Ruckman
`3/1986 Rummel
`3/1986 Townsing
`4/1986 Standler
`6/1986 Wurzburg et al.
`7/1986 Herman et al.
`9/1986 Walter et al.
`10/1986 Kobayashi et al.
`11/1986 Stockdale
`12/1986 Walsworth
`12/1986 Coviello et al.
`12/1986 Akano
`1/1987 Ochs
`111987 Crowe
`3/1987 Busam et al.
`3/1987 Bates et al.
`3/1987 Crane
`3/1987 Clift
`3/1987 Carll et al.
`4/1987 Noyes
`4/1987 Frazer
`4/1987 Zeder
`4/1987 Schmal!
`4/1987 Jakab
`6/1987 Naiwirt
`6/1987 Suzuki et al.
`8/1987 Gavrilovich
`8/1987 Liptak, Jr. et al.
`9/1987 Brown et al.
`9/1987 Robinton
`10/1987 Annunziata et al.
`10/1987 Oliva et al.
`12/1987 Kuo
`111988 Graham
`111988 Akano
`2/1988 Jones et al.
`3/1988 Fields
`3/1988 Sterling, Jr. et al.
`3/1988 Watkins
`3/1988 Bonnet et al.
`3/1988 Gilbert
`3/1988 Puvogel
`4/1988 McMurtry et al.
`4/1988 Ito et al.
`5/1988 Teich et al.
`6/1988 Shalvi et al.
`7/1988 Pezzolo et al.
`7/1988 Puvogel
`7/1988 Berruyer et al.
`7/1988 Faulkner
`8/1988 Oliver et al.
`9/1988 Ziegler
`10/1988 Tsubota
`
`Chrimar Systems, Inc.
`Exhibit 2037-2
`IPR2016-00569 USPN 8,942,107
`
`
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`4,782,322 A
`4,782,355 A
`4,782,482 A
`4,785,812 A
`4,799,211 A
`4,813,066 A
`4,815,106 A
`4,817,106 A
`4,821,319 A
`4,823,600 A
`4,825,349 A
`4,839,886 A
`4,862,158 A
`4,864,598 A
`4,866,768 A
`4,875,223 A
`4,882,728 A
`4,884,263 A
`4,884,287 A
`4,885,563 A
`4,896,315 A
`4,901,003 A
`4,901,217 A
`4,903,006 A
`4,907,261 A
`4,916,621 A
`4,918,688 A
`4,922,503 A
`4,926,158 A
`4,935,926 A
`4,935,959 A
`4,937,811 A
`4,937,851 A
`4,942,604 A
`4,951,309 A
`4,953,055 A
`4,958,371 A
`4,961,222 A
`4,969,179 A
`4,973,954 A
`4,980,913 A
`4,991,123 A
`4,992,774 A
`4,998,275 A
`4,998,850 A
`5,003,457 A
`5,003,579 A
`5,007,858 A
`5,020,100 A
`5,020,773 A
`5,021,779 A
`5,029,201 A
`5,032,819 A
`5,032,833 A
`5,033,112 A
`5,034,723 A
`5,034,738 A
`5,034,948 A
`5,034,978 A
`5,038,782 A
`5,051,723 A
`5,055,827 A
`5,056,131 A
`5,059,782 A
`5,059,948 A
`5,063,563 A
`5,063,585 A
`5,066,939 A
`5,066,942 A
`5,073,919 A
`5,076,763 A
`5,077,526 A
`RE33,807 E
`5,089,974 A
`5,093,828 A
`
`11/1988 Lechner et al.
`11/1988 Sakai et al.
`11/1988 Kiatipov et al.
`11/1988 Pihl et al.
`111989 Felker et al.
`3/1989 Holtz et al.
`3/1989 Propp et al.
`3/1989 Thompson
`4/1989 Middleton et al.
`4/1989 Biegel et al.
`4/1989 Marcel
`6/1989 Wu et al.
`8/1989 Keller et al.
`9/1989 Lynch et al.
`9/1989 Sinberg
`10/1989 Curtis
`11/1989 Herman
`11/1989 Suzuki
`11/1989 Jones et al.
`12/1989 Johnson et al.
`1/1990 Felker et al.
`211990 Clegg
`2/1990 Wilson
`211990 Boomgaard
`3/1990 Chapman
`4/1990 Bean et al.
`4/1990 Krause et al.
`5/1990 Leone
`5/1990 Zeigler
`6/1990 Herman
`6/1990 Markovic et al.
`6/1990 Harris
`6/1990 Lynch et al.
`7/1990 Smith et al.
`8/1990 Gross et al.
`8/1990 Doubet et al.
`9/1990 Damoci et al.
`10/1990 Johansson et al.
`11/1990 Kanare et al.
`11/1990 Schwarz
`12/1990 Skret
`2/1991 Casamassima
`211991 McCullough
`3/1991 Braunstein et al.
`3/1991 Crowell
`3/1991 Ikei et al.
`3/1991 Jones
`4/1991 Daly et al.
`5/1991 Gardiner
`6/1991 Tuft et al.
`6/1991 Bisak
`7/1991 Bindels
`7/1991 Sakuragi et al.
`7/1991 Laporte
`7/1991 Bowling et al.
`7/1991 Maman
`7/1991 Ishihara et al.
`7/1991 Mizutani et al.
`7/1991 Nguyen et al.
`8/1991 Gevins et al.
`9/1991 Long et al.
`10/1991 Philipp
`10/1991 Kanare et al.
`10/1991 Fukuyarna
`10/1991 Desmeules
`11/1991 Ikeda et al.
`11/1991 Shapiro
`11/1991 Mansfield, Jr.
`11/1991 Matsuo
`12/1991 Hagensick
`1211991 Anastos et al.
`12/1991 Vokeyetal.
`1/1992 Abel et al.
`211992 Demeyer et al.
`3/1992 Braun et al.
`
`US 9,019,838 B2
`Page3
`
`RE33,900 E
`5,119,398 A
`5,119,402 A
`5,121,482 A
`5,121,500 A
`5,124,982 A
`5,131,033 A
`5,133,005 A
`5,136,580 A
`5,142,269 A
`5,144,544 A
`5,148,144 A
`5,162,672 A
`5,164,960 A
`5,168,170 A
`5,179,291 A
`5,179,710 A
`5,181,240 A
`5,189,409 A
`5,192,231 A
`5,195,183 A
`5,199;049 A
`5,200,686 A
`5,200,743 A
`5,200,877 A
`5,216,704 A
`5,222,164 A
`5,223,806 A
`5,226,120 A
`5,231,375 A
`5,235,599 A
`5,237,606 A
`5,241,160 A
`5,243,328 A
`5,249,183 A
`5,255,962 A
`5,257,287 A
`5,260,664 A
`5,264,777 A
`5,267,238 A
`5,270,8% A
`5,275,172 A
`5,278,888 A
`5,280,251 A
`5,285,477 A
`5,289,359 A
`5,289,458 A
`5,289,461 A
`5,297,141 A
`5,301,246 A
`5,302,889 A
`5,306,956 A
`5,311,114 A
`5,311,518 A
`5,313,642 A
`5,315,237 A
`5,319,363 A
`5,321,372 A
`5,323,461 A
`5,333,177 A
`5,333,192 A
`5,336,946 A
`5,345,422 A
`5,345,592 A
`5,347,225 A
`5,351,272 A
`5,353,009 A
`5,357,145 A
`5,365,515 A
`5,368,041 A
`5,379,441 A
`5,381,804 A
`5,384,429 A
`5,389,882 A
`5,391,932 A
`5,396,555 A
`5,406,260 A •
`5,408,669 A
`5,414,708 A
`
`4/1992 Howson
`6/1992 Webber, Jr.
`6/1992 Ginzburg et al.
`6/1992 Patton
`6/1992 Arlington et al.
`6/1992 Kaku
`7/1992 Reum
`7/1992 Kelley et al.
`8/1992 Videlock et al.
`8/1992 Mueller
`9/1992 Jenneve et al.
`9/1992 Sutterlin et al.
`11/1992 McMahan et al.
`U/1992 Wmcnetal.
`12/1992 Hartig
`1/1993 Nishikawa et al.
`1/1993 Coschieri
`1/1993 Sakuragi et al.
`211993 Okuno
`3/1993 Dolin, Jr.
`3/1993 Miller et al.
`3/1993 Wilson
`4/1993 Lee
`4/1993 St. Martin et al.
`4/1993 Betton et al.
`6/1993 Williams et al.
`6/1993 ·Bass, Sr. et al.
`6/1993 Curtis et al.
`7/1993 Brown et al.
`7/1993 Sanders et al.
`8/1993 Nishimura et al.
`8/1993 Ziermann
`8/1993. Bashan et al.
`9/1993 Lee et al.
`9/1993 Wong et al.
`10/1993 Neuhaus et al.
`10/1993 Blumenthal et al.
`11/1993 Graham
`11/1993 Smead
`11/1993 Yano et al.
`12/1993 McDonald
`1/1994 Ives
`1/1994 Myllymaki
`1/1994 Strangio
`211994 Leonowich
`211994 Ziermann
`211994 Taha
`211994 deNijs
`3/1994 Marum
`4/1994 Archibald et al.
`4/1994 Marsh
`4/1994 Ikeda et al.
`5/1994 Sarnbamurthy et al.
`5/1994 Takato et al.
`5/1994 Seigel
`lwakura et al.
`5/1994
`6/1994 Welch et al.
`6/1994 Smith
`6/1994 Rosenbaum et al.
`7/1994 Braitberg et al.
`7/1994 McGinn
`8/1994 Seganun et al.
`9/1994 Redwine
`9/1994 Woodmas
`9/1994 Graham
`9/1994 Abraham
`10/1994 Marsh et al.
`10/1994 Segaram
`11/1994 Graham
`11/1994 Shambroom
`1/1995 Watanabe et al.
`1/1995 Shambroom
`1/1995 Bulson et al.
`211995 I' Anson et al.
`211995 Small et al.
`3/1995 Shibata et al.
`411995 Cummings et al ......... 340/568.2
`4/1995 Stewart et al.
`5/1995 Webber et al.
`
`Chrimar Systems, Inc.
`Exhibit 2037-3
`IPR2016-00569 USPN 8,942,107
`
`
`
`US 9,019,838 B2
`Page4
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`5,414,709 A
`5,420,572 A
`5,422,519 A
`5,424,710 A
`5,432,505 A
`5,438,606 A
`5,440,335 A
`5,441,520 A
`5,444,184 A
`5,444,856 A
`5,446,914 A
`5,448,565 A
`5,450,486 A
`5,451,923 A
`5,452,344 A
`5,455,467 A
`5,457,629 A
`5,459,283 A
`5,461,671 A
`5,467,061 A
`5,467,384 A
`5,469,437 A
`5,477,091 A
`5,483,574 A
`5,483,656 A
`5,485,488 A
`5,488,306 A
`5,491,463 A
`5,493,684 A
`5,497,460 A
`5,498,911 A
`5,513,370 A
`5,514,859 A
`5,515,303 A
`5,517,172 A
`5,519,882 A
`5,523,747 A
`5,526,349 A
`5,528,248 A
`5,528,507 A
`5,528,661 A
`5,531,611 A
`5,532,898 A
`5,535,336 A
`5,537,468 A
`5,540,235 A
`5,541,957 A
`5,548,466 A
`5,560,022 A
`5,560,357 A
`5,563,489 A
`5,568,525 A
`5,570,002 A
`5,572,182 A
`5,574,748 A
`5,577,023 A
`5,577,026 A
`5,578,991 A
`5,581,772 A
`5,586,054 A
`5,586,273 A
`5,594,332 A
`5,594,732 A
`5,596,473 A
`5,596,637 A
`5,608,545 A
`5,608,792 A
`5,610,593 A
`5,617,418 A
`5,623,184 A
`5,630,058 A
`5,631,570 A
`5,631,846 A
`5,635,896 A
`5,642,248 A
`
`5/1995 Baze
`5/1995 Dolin, Jr. et al.
`6/1995 Russell
`6/1995 Baumann
`7/1995 Wise
`8/1995 Cerulli
`8/1995 Beveridge
`8/1995 Olsen et al.
`8/1995 Hassel
`8/1995 Bowers et al.
`8/1995 Paul et al.
`9/1995 Chang et al.
`9/1995 Maas et al.
`9/1995 Seberger et al.
`9/1995 Larson
`10/1995 Young et al.
`10/1995 Miller et al.
`10/1995 Birdwell, Jr.
`10/1995 Sakuragi et al.
`11/1995 Adenet al.
`11/1995 Skinner, Sr.
`11/1995 Runaldue
`12/1995 Fiorina et al.
`111996 Yuyama
`111996 Oprescu et al.
`111996 Van Brunt et al.
`111996 Bonaccio
`2/1996 Sargeant et al.
`2/1996 Gephardt et al.
`3/1996 Bailey eta!.
`3/1996 Bossler et al.
`4/1996 Paul
`5/1996 Seigel
`5/1996 Cargin, Jr. et al.
`5/1996 Chiu
`5/1996 Asano et al.
`6/1996 Wise
`6/1996 Diaz et al.
`6/1996 Steiner et al.
`6/1996 McNamara et al.
`6/1996 Siu et al.
`7/1996 Reed et al.
`7/1996 Price
`7/1996 Smith et al.
`7/1996 Hartmann
`7/1996 Wilson
`7/1996 Lau
`8/1996 Smith
`9/1996 Dunstan et al.
`10/1996 Faupel et al.
`10/1996 Murry
`10/1996 de Nijs et al.
`10/1996 Castleman
`11/1996 De Pinho Filho et al.
`11/1996 Vander Mey et al.
`11/1996 Marum et al.
`11/1996 Gordon et al.
`11/1996 Sch older
`12/1996 Nanno et al.
`12/1996 Jensen et al.
`12/1996 Blair et al.
`111997 Harman et al.
`111997 Bell et al.
`111997 Johnson et al.
`111997 Pasetti et al.
`3/1997 Kagawa
`3/1997 Laidler
`3/1997 Seto
`4/1997 Shirani et al.
`4/1997 Rector
`5/1997 Mosley et al.
`5/1997 King
`5/1997 Szurkowsk:i
`6/1997 Tinsley et al.
`6/1997 Campolo et al.
`
`5,645,434 A
`5,649,001 A
`5,652,479 A
`5,652,575 A
`5,652,893 A
`5,652,895 A
`5,655,077 A
`5,659,542 A
`5,664,002 A
`5,670,937 A
`5,671,354 A
`5,675,321 A
`5,675,371 A
`5,675,811 A
`5,675,813 A
`5,678,547 A
`5,678,559 A
`5,679,987 A
`5,684,826 A
`5,684,950 A
`5,686,826 A
`5,687,174 A
`5,689,230 A
`5,692,917 A
`5,696,660 A
`5,706,287 A
`5,715,174 A
`5,715,287 A
`5,729,154 A
`5,729,204 A
`5,742,216 A
`5,742,514 A
`5,742,833 A
`5,754,764 A
`5,756,280 A
`5,758,101 A
`5,761,084 A
`5,764,647 A
`5,766,133 A
`5,768,301 A
`5,779,196 A
`5,781,015 A
`5,783,999 A
`5,784,441 A
`5,790,363 A
`5,793,764 A
`5,796,185 A
`5,796,965 A
`5,799,040 A
`5,799,194 A
`5,799,196 A
`5,802,042 A
`5,802,305 A
`5,805,597 A
`5,805,904 A
`5,808,846 A
`5,810,606 A
`5,812,531 A
`5,814,900 A
`5,815,665 A
`5,821,868 A
`5,828,293 A
`5,834,942 A
`5,835,005 A
`5,836,785 A
`5,838,683 A
`5,841,203 A
`5,841,360 A
`5,842,955 A
`5,845,150 A
`5,845,190 A
`5,848,149 A
`5,854,824 A
`5,854,839 A
`5,859,584 A
`5,859,596 A
`5,884,086 A
`5,896,415 A
`5,896,509 A
`
`7/1997 Leung
`7/1997 Thomas et al.
`7/1997 LoCascio et al.
`7/1997 Pryor et al.
`7/1997 Ben-Meir et al.
`7/1997 Poisner
`8/1997 Jones et al.
`8/1997 Bell et al.
`9/1997 Skinner, Sr.
`9/1997 Right et al.
`9/1997 Ito et al.
`10/1997 McBride
`10/1997 Barringer
`10/1997 Broedner et al.
`10/1997 Hohndahl
`10/1997 Fa up el et al.
`10/1997 Drakulic
`10/1997 Ogawa
`11/1997 Ratner
`11/1997 Dare et al.
`11/1997 Kurtz et al.
`11/1997 Edem et al.
`1111997 Merwin et al.
`12/1997 Rieb et al.
`12/1997 Price
`1/1998 Leimkoetter
`2/1998 Cotichini et al.
`2/1998 Wadhawan et al.
`3/1998 Taguchi et al.
`3/1998 Fackler et al.
`4/1998 Iwasaki et al.
`4/1998 Bono la
`4/1998 Dea et al.
`5/1998 Davis et al.
`5/1998 Soora et al.
`5/1998 Pemberton
`6/1998 Edwards
`6/1998 Riley
`6/1998 Faisandier
`6/1998 Dreyer et al.
`7/1998 Timar
`7/1998 Duffin et al.
`7/1998 Price et al.
`7/1998 Davis et al.
`8/1998 Chaudhry
`8/1998 Bartoldus et al.
`8/1998 Takata et al.
`8/1998 Choi et al.
`8/1998 Lau
`8/1998 Allen et al.
`8/1998 Flannery
`9/1998 N atarajan et al.
`9/1998 McKaughan et al.
`9/1998 Edem
`9/1998 Jung
`9/1998 Hoke et al.
`9/1998 Ballast et al.
`9/1998 Cheung et al.
`9/1998 Esser et al.
`9/1998 Teper et al.
`10/1998 Kuhling
`10/1998 Rickard
`11/1998 DeAngelis
`11/1998 Furukawa et al.
`11/1998 Lee
`11/1998 Corley et al.
`11/1998 Chambers et al.
`11/1998 Binder
`12/1998 Wilkinson
`12/1998 Henion
`12/1998 Bushue et al.
`12/1998 Chen et al.
`12/1998 Bengal et al.
`12/1998 Chen et al.
`111999 Counsell et al.
`1/1999 McRae
`3/1999 Amonietal.
`4/1999 Owens et al.
`4/1999 Sugimoto
`
`Chrimar Systems, Inc.
`Exhibit 2037-4
`IPR2016-00569 USPN 8,942,107
`
`
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`5,909,445 A
`5,915,002 A
`5,918,016 A
`5,920,253 A
`5,920,266 A
`5,923,363 A
`5,923,663 A
`5,929,624 A
`5,929,626 A
`5,929,778 A
`5,933,073 A
`5,933,590 A
`5,937,033 A
`5,939,801 A
`5,944,659 A
`5,944,824 A
`5,944,831 A
`5,946,180 A
`5,948,077 A
`5,949,806 A
`5,949,974 A
`5,953,314 A
`5,960,208 A
`5,963,557 A
`5,971,804 A
`5,991,311 A
`5,991,885 A
`5,994,998 A
`5,995,348 A
`5,995,353 A
`6,000,003 A
`6,005,760 A
`6,009,479 A
`6,011,680 A
`6,011,794 A
`6,011,910 A
`6,016,519 A
`6,018,452 A
`6,021,493 A
`6,021,496 A
`6,031,368 A
`6,033,101 A
`6,038,457 A
`6,042,390 A
`6,044,081 A
`6,047,376 A
`6,049,139 A
`6,049,881 A
`6,057,670 A
`6,064,305 A
`6,069,899 A
`6,091,722 A
`6,092,131 A
`6,092,196 A
`6,095,867 A
`6,097,761 A
`6,100,471 A
`6,101,459 A
`6,108,330 A
`6,111,936 A
`6,115,468 A
`6,121,778 A
`6,125,448 A
`6,130,894 A
`6,130,896 A
`6,134,666 A
`6,137,839 A
`6,140,911 A
`6,141,763 A
`6,144,722 A
`6,147,601 A
`6,147,603 A
`6,147,963 A
`6,154,488 A
`6,157,534 A
`
`6/1999 Schneider
`6/1999 Shimosako
`6/1999 Brewer et al.
`7/1999 Laine
`7/1999 Allgood et al.
`7/1999 Elberbaum
`7/1999 Bontemps et al.
`7/1999 Ricq et al.
`7/1999 Iwasaki et al.
`7/1999 Asama et al.
`8/1999 Shuey
`8/1999 Allen
`8/1999 Bellows
`8/1999 Bouffard et al.
`8/1999 Flach et al.
`8/1999 He
`8/1999 Pate et al.
`8/1999 Simpson
`911999 Choi et al.
`9/1999 Ness et al.
`9/1999 Ewing et al.
`911999 Ganmukhi et al.
`9/1999 Obata et al.
`10/1999 Eng
`10/1999 Gallagher et al.
`1111999 Long et al.
`1111999 Chang et al.
`1111999 Fisher et al.
`1111999 McCartan et al.
`11/1999 Cunningham et al.
`12/1999 Allen et al.
`12/1999 Hoke et al.
`12/1999 Jeffries
`1/2000 Solleder et al.
`112000 Mordowitz et al.
`112000 Chau et al.
`112000 Chidaet al.
`112000 Meyerhoefer et al.
`2/2000 Cromer et al.
`212000 Dutcher et al.
`212000 Klippel et al.
`3/2000 Reddick et al.
`3/2000 Barkat
`3/2000 Leung
`3/2000 Bell et al.
`412000 Hosoe
`412000 Nagaura et al.
`412000 Massman et al.
`512000 Sink et al.
`5/2000 Lockyer
`512000 Foley
`7/2000 Russell et al.
`7/2000 Caldwell et al.
`7/2000 Reiche
`8/2000 Brandt et al.
`8/2000 Buhring et al.
`8/2000 Fouache
`8/2000 Tavallaei et al.
`8/2000 Bhatia et al.
`8/2000 Bremer
`9/2000 De Nicolo
`912000 Moore
`912000 Schwan et al.
`10/2000 Qjard et al.
`10/2000 Lueker et al.
`10/2000 De Nicolo
`10/2000 Mannering et al.
`10/2000 Fisher et al.
`10/2000 Smith et al.
`11/2000 Anderson et al.
`1112000 Sandelman et al.
`1112000 Rand
`1112000 Walker et al.
`11/2000 Hunt
`12/2000 Gallagher et al.
`
`US 9,019,838 B2
`Page5
`
`6,169,475 Bl
`6,169,883 Bl
`6,171,152 Bl
`6,172,606 Bl
`6,175,556 Bl
`6,178,176 Bl
`6,178,455 Bl
`6,178,458 Bl
`6,178,514 Bl
`6,181,140 Bl
`6,186,803 Bl
`6,205,137 Bl
`6,215,789 Bl
`6,218,930 Bl
`6,219,216 Bl
`6,222,852 Bl
`6,233,613 Bl
`6,233,689 Bl
`6,236,625 Bl
`6,236,653 Bl
`6,243,394 Bl
`6,243,818 Bl
`6,246,748 Bl
`6,252,878 Bl
`6,253,121 Bl
`6,259,745 Bl
`6,272,219 Bl
`6,272,552 Bl
`6,275,498 Bl
`6,278,357 Bl
`6,278,665 Bl
`6,279,060 Bl
`6,292,901 Bl
`6,295,356 Bl
`6,295,569 Bl
`6,300,847 Bl
`6,301,527 Bl
`6,311,173 Bl
`6,314,102 Bl
`6,317,675 Bl
`6,324,268 Bl
`6,329,810 Bl
`6,332,166 Bl
`6,344,794 Bl
`6,348,874 Bl
`6,349,353 Bl
`6,351,648 Bl
`6,359,906 Bl
`6,362,909 Bl
`6,366,143 Bl
`6,366,208 Bl
`6,366,618 Bl
`6,373,851 Bl
`6,377,874 Bl
`6,383,076 Bl
`6,384,755 Bl
`6,385,030 Bl
`6,393,050 Bl
`6,393,474 Bl
`6,393,607 Bl
`6,396,391 Bl
`6,398,779 Bl
`6,415,244 Bl
`6,418,332 Bl
`6,420,976 Bl
`6,449,348 Bl
`6,456,625 Bl
`6,459,175 Bl
`6,473,608 Bl
`6,480,510 Bl
`6,483,903 Bl
`6,496,103 Bl
`6,504,825 Bl
`6,522,151 B2
`6,526,516 Bl
`6,529,127 B2
`6,535,983 Bl
`6,546,494 Bl
`6,571,181 Bl
`
`1/2001 Browning
`112001 Vimpari et al.
`1/2001 Kunz
`112001 Lockyer
`112001 Allen, Jr. et al.
`1/2001 Voloshin et al.
`112001 Schutte et al.
`1/2001 Wang
`112001 Wood
`112001 Vokeyet al.
`2/2001 Garside
`3/2001 Ariga
`4/2001 Keenan et al.
`4/2001 Katzenberg et al.
`4/2001 Hoke et al.
`4/2001 Gandy
`5/2001 Walker et al.
`5/2001 Allen et al.
`5/2001 Schell et al.
`5/2001 Dalton et al.
`612001 Deng
`6/2001 Schwan et al.
`6/2001 Yano
`6/2001 Locklear, Jr. et al.
`6/2001 Cline et al.
`7/2001 Chan
`8/2001 De Bruycker et al.
`8/2001 Melvin et al.
`8/2001 Bisceglia et al.
`8/2001 Croushore et al.
`8/2001 Schell et al.
`8/2001 Luke et al.
`9/2001 Lys et al.
`9/2001 De Nicolo
`9/2001 Shimura et al.
`10/2001 Gallagher et al.
`10/2001 Butland et al.
`10/2001 Levin eta!.
`11/2001 Czerwiec et al.
`11/2001 Stolz! et al.
`11/2001 Balachandran et al.
`12/2001 Reid
`12/2001 Cranford, Jr. et al.
`2/2002 Ulrich et al.
`2/2002 Cole et al.
`2/2002 Lewis et al.
`212002 Karapetkov et al.
`3/2002 Dyke et al.
`3/2002 Bedrosian
`412002 Liu et al.
`4/2002 Hopkins et al.
`4/2002 Miller
`4/2002 Dadario
`4/2002 Ykema
`512002 Tiedeken
`5/2002 Hayden
`5/2002 Beene
`5/2002 Liu
`512002 Eichert et al.
`512002 Hughes et al.
`512002 Binder
`612002 Buysse et al.
`712002 Dickens et al.
`7/2002 Mastrototaro et al.
`712002 Baggs et al.
`9/2002 Lamb et al.
`912002 Itoi
`10/2002 Potega
`10/2002 Lehr et al.
`11/2002 Binder
`11/2002 Itay et al.
`12/2002 Weiss eta!.
`1/2003 Atkins et al.
`212003 Armistead et al.
`212003
`Ishikawa et al.
`3/2003 Townsend et al.
`3/2003 McCormack et al.
`4/2003 Jackson et al.
`512003 Rakshani et al.
`
`Chrimar Systems, Inc.
`Exhibit 2037-5
`IPR2016-00569 USPN 8,942,107
`
`
`
`US 9,019,838 B2
`Page 6
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`6,587,454 Bl
`6,640,308 Bl
`6,643,566 Bl
`6,658,108 Bl
`6,665,306 Bl
`6,681,013 Bl
`6,701,443 Bl
`6,744,831 B2
`6,744,888 Bl
`6,753,671 Bl
`6,762,675 Bl
`6,795,493 Bl
`6,889,095 Bl
`7,116,779 Bl
`7,158,483 Bl
`7,275,255 B2
`
`7/2003 Lamb
`10/2003 Keyghobad et al.
`1112003 Lehr et al.
`12/2003 Bissell et al.
`12/2003 Thakur et al.
`112004 Miyamoto
`3/2004 Bell
`6/2004 Chan
`6/2004 El-Kile et al.
`6/2004 Harvey
`7/2004 Cafiero et al.
`9/2004 Huang
`5/2005 Eidson et al.
`10/2006 Meyerhoefer et al.
`1/2007 Takabatake et al.
`9/2007 Suda et al.
`
`FOREIGN PATENT DOCUMENTS
`
`CN
`CN
`DE
`DE
`DE
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`FR
`GB
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`KR
`WO
`WO
`WO
`WO
`WO
`WO
`WO
`
`1117614 A
`1150359 A
`3907652 Al
`4203304 Al
`4138065 Al
`00930950 A3
`0357482 A2
`0386659 A2
`0415312 Al
`0639916 A2
`0584447 Bl
`0852018 Bl
`2682843 Al
`2249919 A
`60164289 A
`63018741 A
`63059144 A
`1016053 A
`1160198 A
`2087762 A
`02226836 A
`3143130 A
`4020192 A
`4180430 A
`04358493 A
`05012576 A
`5150854 A
`06012579 A
`06075652 A
`06216913 A
`06261041 A
`H6244893
`07007517 A
`08008903 A
`08096900 A
`H8204782
`08265727 A
`H8307476
`08322164 A
`09153905 A
`09275387 A
`9305508 A
`09325927 A
`10013576 A
`1998013 576 A
`10041964 A
`10066110 A
`900007034 Bl
`W0-9217968 Al
`W0-9302510 Al
`W0-9623377 Al
`W0-9627967 Al
`W0-9629638 Al
`W0-9628940 A3
`W0-9628920 A3
`
`2/1996
`5/1997
`9/1990
`8/1992
`5/1993
`12/1986
`3/1990
`9/1990
`3/1991
`2/1995
`6/1997
`5/2003
`4/1993
`5/1992
`8/1985
`111988
`3/1988
`1/1989
`6/1989
`3/1990
`9/1990
`6/1991
`111992
`6/1992
`12/1992
`1/1993
`6/1993
`1/1994
`3/1994
`8/1994
`9/1994
`9/1994
`111995
`111996
`4/1996
`8/1996
`10/1996
`11/1996
`12/1996
`6/1997
`10/1997
`11/1997
`12/1997
`1/1998
`1/1998
`2/1998
`3/1998
`9/1990
`10/1992
`2/1993
`8/1996
`9/1996
`9/1996
`11/1996
`12/1996
`
`WO
`WO
`WO
`
`W0-9709667 Al
`W0-9857248 A2
`W0-9934591 Al
`
`3/1997
`12/1998
`7/1999
`
`OTHER PUBLICATIONS
`
`"100 Mb/s data Transmission on UTP and STPCabling for Demand
`Priority Networks" (By Hewlett Packard, HP Laboratories Bristol,
`HPL-94-88, Oct. 1994).
`"100 Years of Bell Telephones" {Book} (Author: Richard Mountjoy,
`A Schiffer Book, 199 5).
`"$500 Per Seat ATM?" (Business Communications Review, Jan.
`1995).
`AccessHub Line Unit-Model MMH-220 by PairGain Technolo(cid:173)
`gies, Inc.-Rev. 01, (Jul. 30, 1997), 20 pages.
`Adtran-Model Adtran D448 U-BRl TE II ISDN 2B 1 Q Interface for
`Alcatel D448 Channel Banks Installation/Maintenance--Section
`61430020L2-5-Issue 1, (Jul. 1997), 7 pages.
`Advanced Micro Devices, Inc., Chipcom Corporation, Digital Equip(cid:173)
`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).
`Advertisement for Watchdog Network Monitor, LAN Magazine, vol.
`5, No. 6, (Jun. 1990), 5 pages.
`"Alternate Copper Media for FDDI" by Chipcom Corporation, [33
`pages] (Jun. 1990).
`AMD, Chipcom, DEC, IBM, Motorola, SynOptics, "STP Proposal(cid:173)
`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.
`Anonymous, "Theft Detection Means for Use with Coaxial Cables,"
`(Undated), 1 page.
`"A..."<SIIIEEE 802.4-1990"-"Information processing systems-Lo(cid:173)
`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(cid:173)
`ogy-Telecommunications and information exchange between sys(cid:173)
`tems-Local and metropolitan area networks-Specific require(cid:173)
`ments-Part 2: Logical Link Control" (1998 Edition).
`"ANSI/IEEE Std 802.5-1985-ISO/DP 8802/5-Local area Net(cid:173)
`works--ANSI/IEEE Standard ISO Draft Proposal-Token Ring
`Access Method" ( 1985).
`"ANSI/IEEE Std 802.5-1998E-Information technology-Tele(cid:173)
`communications and information exchange between systems-Lo(cid:173)
`cal and metropolitan area networks--Specific requirements-Part 5:
`Token ring access method and Physical Layer specifications" ( 1998).
`"ANSI INCITS 229-1994 (Rl999)"-"For Information Systems(cid:173)
`Fibre Distributed Data Interface (FDDI}--Station Management
`(SMT)" ( 1994).
`"ANSI X3.166-1990"-"For Information Systems"-"Fibre Dis(cid:173)
`tributed Data Interface (FDDI}--Token Ring Physical Layer
`Medium Dependent (PMD)" (1990).
`"ANSI X3.166-1990"-"For Information Technology"-"Fibre
`Distributed Data Interface (FDDI}--Token Ring Twisted Pair Physi(cid:173)
`cal Layer Medium Dependent (TP-PMD)" (1990).
`"ANSI X3.263-1995"-"For Information Technology"-Fibre Dis(cid:173)
`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).
`"ATM: Ready for Lift-Off' (Information Week, Feb. 6, 1995).
`
`Chrimar Systems, Inc.
`Exhibit 2037-6
`IPR2016-00569 USPN 8,942,107
`
`
`
`US 9,019,838 B2
`Page7
`
`(56)
`
`References Cited
`
`OTHER PUBLICATIONS
`
`"A1M takes to twisted-pair" (Electronic Engineering Times, Dec. 19,
`1994).
`"A1M 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 I, May 2003, 329 pages.
`"AT&T Merlin Phones," (Web Document), 3 pages.
`AT&T, "Merlin Plus Communications System-Training Manual,"
`Dec. 1986, 999-505144, Issue I, 80 pages.
`AT&T, "Merlin Plus Communications System--System Planner,"
`Sep. 1988, 999-501-141, Issue I, 18 pages.
`System-Release
`"Merlin
`Plus Communications
`AT&T,
`I-Customization Chart," Nov. 1988, 999-503-146, Issue I, 6 pages.
`''AT&T Merlin" (Wikipedia-Web Document), 3 pages.
`AT&T Technologies, "Telecommunications Transmission Engineer(cid:173)
`ing", vol. I, Principles (1975).
`Avaya Communication, "Intuity Messaging Solutions Release 5 Inte(cid:173)
`gration with Merlin Legend and Merlin Magix Conuwnications
`Systems," Jan. 2001, 585-310-748, Issue 2, Chapter4, pp. 4-1-4-29.
`Bay Networks Public Information, "LattisNet (Pre-lOBaseT Versus
`lOBaseT", 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 A1M 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(cid:173)
`ity" (Jan. 1992).
`Chipcom Corporation, "Online FDDI Media Modules Release
`Notes" (Apr. 14, 1994).
`Cisco for All-"What is DSLAustermann and its Different Flavors?"
`(Date Unknown), 3 pages.
`"Cisco System backs proposed specification for FDDI over shielded
`twisted-pair" by Business Wrre (May 22, 1991) and ''News & Analy(cid:173)
`sis FDDI Over STP? Sounds Great, But Where Is It?" by Laura Didio
`from LAN Times (Jun. 3, 1991) (1 page].
`CloseupArticle--TheLANinnerCircle (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 CODI Card" (Oct. 26,
`1992).
`Communication Week Article: "FDDI Spec Consortium" (2 pages]
`(May27, 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 BackN ext-Generation FDDI; Unshielded
`Twisted-Pair Products for High-Speed Nets Leapfrog Draft Stan(cid:173)
`dard" (May 3, 1993).
`Cook, John, "Line Codes for FDDI Over Copper" BT