EXHIBIT 1014
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`US0l]('i-‘-1-73611831
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`(12) United States Patent
`Lchr ct al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 6,473,608 B1
`Oct. 29, 2002
`
`(54)
`
`sTRUC'l‘URl<2C/\B1.ING SYS”1‘l«:M
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`5,192,231 A
`5,35l,2'?2 A
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`371993 Dolin,Jr.
`9,r'1‘J‘J-’l Abrahzirn
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`('15)
`
`Inventors: Amir Lchr, Tel Aviv (IL); Iltm Atlas,
`I-lziifa (IL); Dror Korclinrz, Bat Yam
`uwwwwwmwu
`(73) A.se;ig,ncc: Powerdsinc 1.01., Pelach Tikva (11,)
`( * ) Notice"
`Subject to any disclaimer the term of this
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`(21) A991’ M" 091365534
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`(22 med‘
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`“'3' 2! 1999
`R'='*‘"~‘d U-5-/\PP'i‘3*'“"“ 01"“
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`(63)
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`(60)
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`Coiitinu.'ition—in—part of application No. D912‘-13,343, tiled on
`Apr. 16, 1.‘J‘.J9.
`Provisional application No. (W115,-528, filcd on Jan. 12,
`11”“
`Int. Cl.7
`(51)
`(52) U.S. Cl.
`
`
`
`H0413 3,100
`4551402; 7137310; 3707402;
`3797402
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`911995 130500
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`5,<;<.i4,9<.is A
`1171999 Fisher el al.
`6.115.468 A "
`9120011 De Nicolo
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`7110282
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`011-] ER PU BL] CATIONS
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`Bearfield, J,|V[_, “Conn-01 (hi; Puwgr Inlcrface of U513’;-.
`Voltage Bus”, Electronic Design, U.S., Pcriton Publishing,
`C1'=V¢lfiDd- 0hl0.V'0l‘ 45. N0- 15--1111119975 13- 30,3134, 35‘
`RAD Data C0mm- L1d.“'1'oker1 Ring D1:-Sign G1Iid1=”- 1994-
`#TR—20—(|'I;’94, Cliaplcrs 1 through 4-21.
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`(53)
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`<56)
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`3707274, 353,
`Fietci of Search
`370.1402, 903, 333; 7137340, 310, 300;
`4S3i‘402, 41, 372; 37971250, 402, 390.04,
`413
`
`P““’°’P‘l“° Product Catalogue
`95-103. Israel-
`at chcd by examiner
`
`1999, pp. 56-79 and
`
`Refeeeeeee Cited
`u_s_ pA'rENT [)()cuMEN']"s
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`4,46?,'il4 A
`4_52s,r:0? A
`4,692,761 A
`4,‘.-‘33.389 A
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`4,!i92_'i"?4 A
`S-.032-‘S33 A
`5;tir;0,939 A
`5,093,838 A
`
`811984 Wcikcl ct a}.
`77'19i-1:3
`I-'ruhaur
`911987 Rohinton
`311988 Puvogcl
`111989 Fclkcr ct al.
`35193-" PFDPP 9131-
`1211939 -l°h"-5'0“ ‘-'l "1
`mwwlmmgflm
`2,-'1‘J‘J1 McCullough
`M1991 UPON
`1111901 Manslicld, Jr.
`311992 BIBUI! et al.
`
`11iiiliflilffiiii?X;i$i§1(i§lT§li
`(74) Attorney‘. Agent, or Firiii—Abelman, Frayne &
`S‘h
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`‘i wa
`(57)
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`ABSTRACT
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`_
`‘
`This invention C11.‘-lvClOS-ES a local area network including a
`hub, a plurality of nodes. communication cabling connecting
`the plurality of nodes to the hub for providing data
`communication, and :1 power supply distributor operative to
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`plurality of nodes via the communication cabling.
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`13 Claims, 59 Drawing Sheets
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`‘:3’
`
`.9:(‘NI
`
`
`
`SR82uuuuu .}:-rAH~s1_m-:
`
`<3.O_..._
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 33 M59
`
`1B0006.,37A,6SU
`
`Ba82£2$21/85
`QmadwH:B_gm25$5"x\___|IIIIIIIIIIIIIL
`
`
`
`mm;.o_.._
`
`
`
`m$.:oEz8fi.mHHHHH.I..Iu.I:.I...I..H.,
`
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`
`545$38
`
`rrrr1:4M__
`
`2%_$2;_a\_u2_2__2______________H_
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 34 of 59
`
`US 6,473,608 B1
`
`LAN DATA
`FROM SEPARATOR/CONNECTOR
`
`LAN POWER
`*“
`
`
`
`LAN POWER
`
`
`
`2445
`
`FIG. 14A
`2400
`————""t
`
`I 2404
`
`FIG. 14B
`
`2440
`
`
`
`
`
`
`
`
`
`I NODE CIRCUITRY
`
`ggggfy I MON|TORtNG CIRCUITRY
`
`2430
`
`
`
`CONTROLLER
`
`2444
`
`
`
`

`
`QMU
`
`..lHC4....aD1
`
`Oct. 29, 2002
`
`Sheet 35 of 59
`
`US 6,473,608 B1
`
`so5.3_
`
`3.,.a(J_
`
`so<25___
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`
`
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`
` $30528
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`
`
`
`%Ezz8>_o:%&mso”:
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`
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`UU
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`
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`
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`88:M29...5922$39.5&388:M29...5922$39.5&3
`
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`M,9.5“5-5.8Tam.._..E.6:.385-5EM,9.5“5-5.8Tam.._..E.6:.385-5E
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`
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 37 of 59
`
`US 6,473,608 B1
`
`FIG. 17
`
`INITIALIZE THE POWER HUB
`
`
`
`DETERMINE NODE
`TYPE FOR NODE {.11
`
`IF THE NODE IS DETERMINED
`
`AS POL LOAD AND LINE N IS
`
`
`
`
`
`
`
`ENABLED TO BE OPERATED
`ACCORDING TO INTERNAL TABLE
`
`
`
`TI-IEN—SET SPEAR PARAMETERS
`
`ACCORDING TO INTERNAL
`
`TABLE DEFINITIONS
`
`WHEN APPLICABLE-SEND PREDETERMINED
`
`SIGNALING TO REMOTE LOAD
`
`REPORT LINE STATUS TO THE
`
`MANAGEMENT STATION
`
`INCREMENT N
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 38 of 59
`
`US 6,473,608 B1
`
`FIG. 18A
`
`MEASURE VOLTAGE
`
`
`AT SPEAR OUTPUT
`
`
`
` MARK LINE
`AS EXTERNAL
`
`VOLTAGE FEED
`
`
`
`SET SPARC
`Vout = V2
`
`'0: ‘LI
`
`
`
`
`
`SET SWITCH TO ow
`
`
`MEASURE \/out
`,
`I0
`AT 3 TIMES T1, T2, T3
`CLASSIFY LINE TYPE AS
`
`PER FOLLOWING
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 39 of 59
`
`US 6,473,608 B1
`
`FIG.
`
`1 8B
`
`
`
`Vou{>V2 and I|o]<I2
`
`for all T1, T2 ,T3
`
`VOUKV3 and l0>|3
`
`for c1||T1,T2,T‘-5
`
`Vout T3 <V4 and [IoT1]<
`HOT2 |<HoT3I
`
`VoutT1 >V5and Vout T2>
`
`V5 and Vout T3 W5 and
`
`or IoT3 >|5 )
`
`(IOT1 >|5 OI’
`
`IOT2 H5
`
`SET
`
`SWlTCH
`OFF
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 40 of 59
`
`US 6,473,608 B1
`
`INVOLUNTARY POWER MANAGEMENT FULL
`FUNCTIONALITY OR NO FUNCTIONALITY
`
`
`
`DETERMINE CURRENT TOTAL POWER
`AVA|LABIL|TY(TPA) AND CURRENT TOTAL
`POWER CONSUMPTION (TPC)
`
`
`
`
`
`DISCONNECT POWER
`
`
`
`SUPPLY POWER TO
`
`ADDITIONAL NODES,
`-
`-
`
`ONE—BY—ONE ON
`
`FROM NODES
`0NE~BY-ONE ON
`
`
`
`A PRIORITIZED BASIS
`
`A PRIORITIZED BASIS
`
`
`ADDITIONAL NODE
`REQUIRE POWER
`
`
`?
`
` LOWER PRIORITY
`
`NODE CURRENTLY
`
`
`
`DISCONNECT LOWER PRIORITY
`NODE FROM POWER
`
`
`
`
`
`CONNECT HIGHER PRIORITY
`
`NODE FROM POWER FIG. 19A
`
`(H)
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 41 of 59
`
`US 6,473,608 B1
`
`INVOLUNTARY POWER MANAGEMENT, FULL
`FUNCTIONALITY OR NO FUNCTIONALITY
`EMERGENCY OVERRIDE
`
`
`
`IS POWER
`
`
`
`REQUIRED AT A NOD
`ON EMERGENCY
`
`
`
`
`BASIS ?
`
`ASSIGN HIGHEST PRIORITY
`
`TO NODE REQUIRING POWER
`ON EMERGENCY BASIS
`
`PROCEEO ACCORDING TO
`STEPS (A—H) OF FIG. 19A
`
`“*0
`
`
`EMERGENCY SITUATION
`
`
`TERMINATED?
`
`
`YES
`
`(N)
`
`REDUCE PRIORITY OF
`
`NODE TO ITS USUAL PRIORITY
`
`FIG. 19B
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 42 of 59
`
`US 6,473,608 B1
`
`INVOLUNTARY POWER MANAGEMENT FULL
`
`FUNCTIONALITY OR NO FUNCTIONALITY
`
`QUEUE CONTROLLRD PRIORITY
`
`
`
`DETERMINE CURRENT TOTAL POWER
`
`AVA|LAB|L|TY(TPA) AND CURRENT TOTAL
`
`POWER CONSUMPTION (TPC)
`
`
`
`
`
`
` DISCONNECT POWER
`SUPPLY POWER TO
`FROM NODES
`ADDITIONAL NODES,
`
`ONE-BY-ONE ON
`
`
`
`
`A PRIORITIZED BASIS
`?
` YES
`
`
`ONE-BY—ONE ON
`
`A PRIORITIZED BASIS
`
`ADDITIONAL NODE
`REQUIRE POWER
`
`(I)
`
`ADD NODE TO BOTTOM OF QUEUE
`
`FIG. 19C
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 43 of 59
`
`US 6,473,608 B1
`
`INVOLUNTARY POWER MANAGEMENT FULL
`FUNCTIONALITY OR NO FUNCTIONALITY
`TIME SHARING
`
`
`
`DETERMINE CURRENT TOTAL POWER
`
`
`AVAILAB|L|TY(TPA) AND CURRENT TOTAL
`
`POWER CONSUMPTION (TPC)
`
`
`
`DISCONNECT POWER
`FROM NODES
`
`
`
`ONE-BY-ONE ON
`A PRIORITIZED BASIS
`
`
`2 0.8
`g 0.95
`
`
`(E)
`
`SUPPLY POWER TO
`ADDITIONAL NOOES.
`0NE—BY—0NE ON
`
`A PRIORITIZED BASIS
`
`< 03
`
`N0
`
`ADDITIONAL NODE
`REQUIRE POWER
`0
`
`
`
`YES
`
`
`
`
`
`CONSUMING POWE
`
`NODE CURRENTLY
`
`NO
`
`
`
`YES
`
`(6)
`
`DISCONNECT LOWER PRIORITY
`
`NUDE FROM POWER
`
`(H)
`
`CONNECT HIGHER PRIORITY
`
`NODE FROM POWER
`
`FIG. 19D
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 44 of 59
`
`FUNCTIONALITY OR REDUCED FUNCTIONALITY
`
`DETERMINE CURRENT TOTAL POWER
`AVAILABILITY (TPA) AND CURRENT TOTAL
`POWER CONSUMPTION (TPC)
`
`(C’)
`
`SUPPLY FULL POWER
`
`TO ADDITIONAL NODES.
`ONE— BY-ONE ON
`
`A PRIORITIZED BASIS
`
`ONE-BY—ONE ON
`
`A PRIORITIZED BASIS
`
`US 6,473,608 B1
`
`A’)
`
`(D’)
`
`REDUCE POWER
`TO NODES
`
`NO
`
`
`ADDITIONAL NODE
`REQUIRE ADDITIONAL
`
`
`POWER ?
`
`
`YES
`
`
`
`
`
`REDUCE POWER TO LOWER
`
`PRIORITY NODE
`
`YES
`
`(G’)
`
`H‘)
`
`PROVIDE ADDITIONAL POWER
`
`TO HIGHER PRIORITY NODE
`
`FIG. 20A
`
` INVOLUNTARY POWER MANAGEMENT FULL
`
`
`
`
`IS A
`LOWER PRIORITY
`NODE CURRENTLY
`
`
`
`CONSUMING ADDITIONAL
`
`POWER ?
`
`
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 45 of 59
`
`US 6,473,608 B1
`
`INVOLUNTARY POWER MANAGEMENT, FULL
`FUNCTIONALITY OR REDUCED
`FUNCTIONALITY, EMERGENCY OVERRIDE
`
`ON EMERGENCY
`
`BASIS ?
`
`ASSIGN HIGHEST PRIORITY
`
`TO NODE REQUIRING POWER
`ON EMERGENCY BASIS
`
`PROCEED ACCORDING TO
`STEPS (A'—H') OF FIG. 20A
`
`IS
`
`EMERGENCY SITUATION
`TERMINATED?
`
`REDUCE PRIORITY OF
`NODE TO ITS USUAL PRIORITY
`
`FIG. 20B
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 46 of 59
`
`US 6,473,608 B1
`
`INVOLUNTARY POWER MANAGEMENT FULL
`
`FUNCTIONALITY OR REDUCED FUNCTIONALITY
`
`OUEUE CONTROLLRD PRIORITY
`
`
`
`
`
`DETERMINE CURRENT TOTAL POWER
`AVA|LABlL|TY(TPA) AND CURRENT TOTAL
`POWER CONSUMPTION (TPC)
`
`
`
`
`
`
`
`
`
`SUPPLY FULL POWER TO
`ADDITIONAL NODES,
`ONE-BY-ONE ON
`
`
`
`
`
`
` ADDITIONAL NODE
`REQUIRE ADDITIONAL
`
`POWER
`9
`
`
`
`
`YES
`
`(I)
`
`ADD NODE TO BOTTOM OF OUEUE
`
`
`
`FIG. 20C
`
`REDUCE POWER
`TO NODES
`ONE-BY—ONE ON
` A PRIORITIZED BASIS A PRIORITIZED BASIS
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 47 of 59
`
`US 6,473,608 B1
`
`INVOLUNTARY POWER MANAGEMENT FULL
`FUNCTIONALITY OR REDUCED FUNCTIONALITY
`TIME SHARING
`
`A)
`
` DETERMINE CURRENT TOTAL POWER
`AVAILABILITYUPA) AND CURRENT TOTAL
`POWER CONSUMPTION (TPC)
`
`SUPPLY FULL POWER
`
`TO ADDITIONAL NODES.
`ONE-BY—ONE ON
`A PRIORITIZED BASIS
`
`«
`
`.
`
`_
`
`REDUCE POWER
`
`TO NODES
`ONE-BY-ONE ON
`A PRIORITIZED BASIS
`
`
`
`
`ADDITIONAL NODE
`REQUIRE ADDITIONAL
`POWER ?
`
`
`
`(F’)
` IS A
`LOWER PRIORITY
`NODE CURRENTLY
`
`
`
`
`
`CONSUMING ADDITIONAL
`
`
`POWER ’?
`
`
`YES
`
`(0')
`
`REDUCE POWER TO LOWER
`
`PRIORITY NODE
`
`(H')
`
`PROVIDE ADDITIONAL POWER
`
`TO HIGHER PRIORITY NODE
`
`FIG. 20D
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 48 of 59
`
`US 6,473,608 B1
`
`FIG. 21A
`
`FIG. 21B
`
`
`
`IS TDI > THRESHOLD
`
`?
`
`WAS USER OR
`
`
`SYSTEM CONTRAINDICATION
`
`RECEIVED ?
`
`
`
`OPERATE IN
`
`SLEEP MODE
`
`
`
`DETERMINE TIME DURATION TDI
`SINCE LAST ACTIVITY OF NODE
`
`
`
`IS TD2 > THRESHOLD
`
`?
`
` WAS USER OR
`SYSTEM CONTRAINDICATION
`RECEIVED ?
`
`
`
`OPERATE IN
`SLEEP MODE
`
`DETERMINE TIME DURATION TD2
`SINCE UAST COMMUNICATION
`
`

`
`U.S. Patent
`
`Oct. 29,2002
`
`Sheet 49 of 59
`
`US 6,473,608 B1
`
`FIG. 21C
`
`
`
`DURING TIME DURATION TD4
`OPERATE NODE IN SLEEP MODE
`
`
`
`DURING TIME DURATION TD3
`OPERATE NODE WITH FULL POWER
`
`FIG. 21D
`
`OPERATE
`NORMAL”
`
`PERFORM SELF TEST
`
`
` FAIL
`
`OPERATE IN SLEEP MODE
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 50 of 59
`
`US 6,473,608 B1
`
`FIG. 22A
`
`FIG. 22B
`
`
`
`DETERMINE TIME DURATION TD11
`STNCE LAST ACTIVITY OF NODE
`
`SENSEO BY HUB
`
` IS TD11 > THRESHOLD
`
`
`
` WAS USER OR
`SYSTEM CONTRAINDICATION
`RECEIVED ?
`
`NO
`
`OPERATE IN
`SLEEP MODE
`
`
`
`
`DETERMINE TIME DURATION TD12
`SINCE LAST COMMUNICAUON
`SENSED BY HUB
`
`IS TD12 > THRESHOLD
`
`
`
` WAS USER OR
`SYSTEM CONTRAINDICATION
`RECENED ?
`
`
`
`OPERATE IN
`SLEEP MODE
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 51 of 59
`
`US 6,473,608 B1
`
`FIG. 22C
`
`DURING TIME DURATION TDI3 DETERMINED
`
`BY CLOCK AT THE HUB
`
`OPERATE NODE WITH FULL POWER
`
`OPERATE NODE IN SLEEP MODE
`
`DURING TIME DURATION TDI4 DETERMINED
`
`BY CLOCK AT THE HUB
`
`FIG. 22D
`
`OPERATE
`NORMAL”
`
`HUB PERFORM TEST OF THE NODE
`
`
`
`
`OPERATE NODE IN SLEEP MODE
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 52 of 59
`
`US 6,473,608 B1
`
`VOLUNTARY POWER MANAGEMENT FULL
`FUNCTIONALITY OR NO FUNCTIONALITY
`
`
`DETERMINE CURRENT TOTAL POWER
`AVAILABILITYITPA) AND CURRENT TOTAL
`
`
`POWER ALLOCATION ITPL)
`
`
`
`
`
`SUPPLY POWER TO
`ADDITIONAL NOD58,
`.
`.
`
`ONE-BY—0NE ON
`
`OISCONNECT POWER
`FROM NODES
`ONE-BY—0NE ON
`
`A PRIORITIZED BASIS
`
`A PRIORITIZED BASIS
`
`
`
`
`
`ADDITIONAL NODE
`REQUIRE POWER
`
`
`
`'2
`
` LOWER PRIORITY
`NODE CURRENTLY
`
` I-I
`
`NODE FROM POWER FIG. 23A
`
`CONNECT HIGHER PRIORITY
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 53 of 59
`
`US 6,473,608 B1
`
`VOLUNTARY POWER MANAGEMENT, FULL
`FUNCTIONALITY OR NO FUNCTIONALITY
`EMERGENCY OVERRIDE
`
`
`
`
`REQUIRED AT A NODE
`
`
`IS POWER
`
`ON EMERGENCY
`BASIS ?
`
`
`
`ASSIGN HIGHEST PRIORITY
`TO NODE REQUIRING POWER
`ON EMERGENCY BASIS
`
`
`
`
`PROCEED ACCORDING TO
`?9A
`snaps (A—H) or FIG.
`
`
`
`EMERGENCY SITUATION
`TERMINATED?
`
`FIG. 23B
`
`
`
`REDUCE PRIORITY OF
`NODE TO ITS USUAL PRIORITY
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 54 of 59
`
`US 6,473,608 B1
`
`VOLUNTARY POWER MANAGEMENT FULL
`
`FUNCTIONALITY OR NO FUNCTIONALITY
`
`OUEUE CONTROLLED PRIORITY
`
`
`
`
`DETERMINE CURRENT TOTAL POWER
`CONSOMPTION (TPC) AND CURRENT TOTAL
`POWER ALLOCATION (TPL)
`
`
`
`DISCONNECT POWER
`FROM NODES
`
`ONE-BY—ONE ON
`
`A PRIORITIZED BASIS
`
`
`
`
`
`SUPPLY POWER TO
`
`
`
`ADDITIONAL NODES,
`ONE—BY-ONE ON
`
`A PRIORITIZEO BASIS
`
`
`ADDITIONAL NODE
`REQUIRE POWER
`
`?
` YES
`
`(I)
`
`ADD NODE TO BOTTOM OF OUEUE
`
`FIG. 23C
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 55 of 59
`
`US 6,473,608 B1
`
`VOLUNTARY POWER MANAGEMENT FULL
`FUNCTIONALITY OR NO FUNCTIONALITY
`TIME SHARING
`
`
`DETERMINE CURRENT TOTAL POWER
`
`
`AVAILAB|L|TY(TPA) AND CURRENT TOTAL
`POWER ALLOCATION (TPL)
`
`
`
`
` DISCONNECT POWER
`SUPPLY POWER TO
`FROM NODES
`ADDITIONAL NODES.
`ONE-BY—ONE ON
`ONE-BY—ONE ON
`A PRIORITIZED BASIS
`A PRIORITIZED BASIS
`
`
`
`
`
`
`ADDITIONAL NODE
`REQUIRE POWER
`'2
`
`
`
`
`
`LOWER PRIORITY
`NODE CURRENTLY
`
`CONSUMINC POWE
`9
`
`YES
`
`(G)
`
`DISCONNECT LOWER PRIORITY
`
`NODE FROM POWER
`
`(H)
`
`CONNECT HIGHER PRIORITY
`
`NODE FROM POWER
`
`FIG. 23D
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 56 of 59
`
`US 6,473,608 B1
`
`VOLUNTARY POWER MANAGEMENT FULL
`FUNCTIONALITY OR REDUCED FUNCTIONALITY
`
`
`
`DETERMINE CURRENT TOTAL POWER
`CONSUMPTION (TPC) AND CURRENT TOTAL
`POWER ALLOCATION (TPL)
`
`
`
`
`
`
`
`REDUCE POWER
`OF NODES
`
`ONE—BY—ONE ON
`
`SUPPLY FULL POWER
`
`
`
`TO ADDITIONAL NODES.
`ONE-BY—ONE ON
`A PRIORITIZED BASIS
`A PRIORITIZED BASIS
`
`
`
`
`
`
` ADDITIONAL NODE
`REQUIRE ADDITIONAL
`
`POWER ’?
`
`(F’) IS A
`
`LOWER PRIORITY
`NODE CURRENTLY
`
`
`
`
`
`CONSUMING ADDITIONAL
`
`POWER ?
`
` )
`
`FIG. 24A
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 57 of 59
`
`US 6,473,608 B1
`
`VOLUNTARY POWER MANAGEMENT, FULL
`FUNCTIONALITY OR REDUCED FUNCTIONALTY, EMERGENCY OVERRIDE
`
`
`POWER REQUIRED AT A NODE
`ON EMERGENCY
`
`BASIS '?
`
`
`IS ADDITIONAL
`
`
`TO NODE REQUIRING POWER
`
`ON EMERGENCY BASIS
`
`
`
`
`PROCEED ACCORDING TO
`STEPS (A’—II’) OF TIC. 20A
`
`
`
` IS
`EMERGENCY SITUATION
`
`TERMINATED?
`
`ASSIGN HIGHEST PRIORITY
`
`
`
`
`
`
` YES
`
`REDUCE PRIORITY OF
`
`NODE TO ITS USUAL PRIORITY
`
`(N)
`
`FIG. 24B
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 58 of 59
`
`US 6,473,608 B1
`
`VOLUNTARY POWER MANAGEMENT FULL
`
`FUNCTIONALITY OR REDUCED FUNCTIONALITY
`
`OUEUE CONTROLLED PRIORITY
`
`
`
`DETERMINE CURRENT TOTAL POWER
`CONSUMPTIONUPC) AND CURRENT TOTAL
`
`
`POWER ALLOCATION (TPL)
`
`
`
`
`REDUCE POWER
`ADDITIONAL NODES,
`A NODES
`ONE-BY-ONE ON
`ONE-BY-ONE ON
`A PRIORITIZED BASIS
`A PRIORITIZED BASIS
`
`
` SUPPLY FULL POWER TO
`
`
`
` ADDITIONAL NODE
`REQUIRE ADDITIONAL
`
`
`ADD NODE TO BOTTOM OF OUEUE
`
`YES
`
`I I)
`
`FIG. 24C
`
`

`
`U.S. Patent
`
`Oct. 29, 2002
`
`Sheet 59 of 59
`
`US 6,473,608 B1
`
`VOLUNTARY POWER MANAGEMENT FULL
`FUNCTIONALITY OR REDUCED FUNCTIONALITY
`TIME SHARING
`
`A)
`
`DETERMINE CURRENT TOTAL POWER
`CONSUMPTION (TPC) AND CURRENT TOTAL
`
`POWER ALLOCATION (TPL)
`
`
`
`
`
`
`
`SUPPLY FULL POWER
`
`TO ADDITIONAL NODES,
`ONE—BY—ONE ON
`A PRIORITIZED BASIS
`
`< 0-3
`
`
`
`REDUCE POWER
`
`TO NODES
`ONE-BY—ONE ON
`A PRIORITIZED BASIS
`
`
`
`
`ADDITIONAL NODE
`REQUIRE ADDITIONAL
`POWER ?
`
`
`
`IF’)
` IS A
`LOWER PRIORITY
`NODE CURRENTLY
`
`
`
`
`
`
`
`CONSUMING ADDITIONAL
`
`POWER ?
`
`
`
`YES
`
`(6')
`
`REDUCE POWER TO LOWER
`
`PRIORITY NODE
`
`(H')
`
`PROVIDE ADDITIONAL POWER
`
`TO HIGHER PRIORITY NODE
`
`FIG. 24D
`
`

`
`US 6,473,608 B1
`
`1
`STRUCTURE CABLING SYSTEM
`
`CROSS REFERENCE TO RELATED
`APPLICATIONS
`
`This application claims the benefit of the filing date of
`US. Provisional Application No. 6011151328, filed on Jan.
`12, 1999. In addition, this application is a continuation-in-
`part of U.S. application Ser. No. 09t'293,343, filed on Apr.
`16, 1999.
`
`FIELD OF THE INVENTION
`
`The present invention relates to structured cabling sys-
`tems and more particularly to structured cabling systems
`used in local area networks.
`
`BACKGROUND OF THE INVENTION
`
`Structured cabling systems are well known for use in
`institutional infrastructure. Such systems provide a standard-
`ized yet flexible platfomi for a dynamic communications
`environment. Typically structure cabling systems employ
`twisted copper pairs which are installed in accordance with
`predetermined criteria. Structured cabling systems are con-
`ventionally cmployed for telephone, data communications,
`as well as for alarms, security and access control applica-
`tions.
`
`SUMMARY OF THE INVENTION
`
`invention seeks to provide an enhanced
`The present
`structured cabling system and local area network employing
`such a system.
`There is thus provided in accordance with a preferred
`embodiment of the present invention a local area network
`including a hub, a plurality of nodes, communication cabling
`connecting the plurality of nodes to the hub for providing
`data communication; and a power supply distributor opera-
`tive to provide at least some operating power to at least some
`of the plurality of nodes via the communication cabling.
`Further in accordance with a preferred embodiment of the
`present invention the communication cabling includes at
`least part of a structured cabling system.
`Still further in accordance with a preferred embodiment of
`the present invention the power supply distributor is located
`within the hub.
`
`Additionally in accordance with a preferred embodiment
`of the present
`invention the power supply distributor is
`located outside the hub.
`
`Moreover in accordance with a preferred embodiment of
`the present invention the power supply distributor is located
`partially within the hub and partially outside the hub.
`Still further in accordance with a preferred embodiment of
`the present invention the operating power supplied by said
`power supply distributor to at least some of said plurality
`nodes via said communication cabling includes backup
`power.
`Additionally in accordance with a preferred embodiment
`of the present invention the hub includes a data communi-
`cation concentrator, the power supply distributor includes a
`combiner, and the communication cabling connects the data
`communication concentrator via the combiner to the nodes.
`
`Sill further in accordance with a preferred embodiment of
`the present invention the hub includes a data communication
`concentrator and wherein the power supply distributor is
`also located within the hub.
`
`Additionally in accordance with a preferred embodiment
`of the present invention the hub includes a data communi-
`
`2
`cation concentrator and wherein the power supply distribu-
`tor is also located within the hub and includes a power
`supply and a combiner, the combiner coupling power from
`the power supply to the communication cabling which also
`carries data from the data communication concentrator.
`
`Preferably the data communication concentrator com-
`prises a LAN switch which functions as a data communi-
`cation switchirepeater.
`Additionally in accordance with a preferred embodiment
`of the present invention the plurality of nodes includes at
`least one of the following types of nodes: wireless LAN
`access points, emergency lighting system elements, paging
`loudspeakers, CCTV cameras, alarm sensors, door entry
`sensors, access control units,
`laptop computers,
`ll’
`telephones, hubs, switches, routers, monitors and memory
`backup units for PCs and workstations.
`Still further in accordance with a preferred embodiment of
`the present invention the hub includes a data communication
`concentrator the power supply distributor includes a com-
`biner and a power supply, the communication cabling con-
`nects the data communication concentrator via the combiner
`to the nodes, and the combiner includes a plurality of
`couplers, each of which is connected to an output of the
`power supply.
`Further in accordance with a preferred embodiment of the
`present invention the hub includes a data communication
`concentrator. the power supply distributor includes a com-
`biner and a power supply, the communication cabling con-
`nects the data communication concentrator via the combiner
`to the nodes, and the combiner comprises a plurality of
`couplers and a plurality of filters, each coupler being con-
`nected via a filter to an output of the power supply.
`Still further according to a preferred embodiment of the
`present invention the hub includes a data communication
`concentrator. the power supply distributor includes a com-
`biner and a power supply, the communication cabling con-
`nects the data communication concentrator via the combiner
`to the nodes, and the combiner includes a plurality of
`couplers and a plurality of filters and a plurality of smart
`power allocation and reporting circuits (SPEARS), each
`coupler being connected via a filter and a SPEAR to an
`output of the power supply.
`Moreover in accordance with a preferred embodiment of
`the present invention the hub includes a data communication
`concentrator, the power supply distributor includes a com-
`biner and a power supply, and the power supply includes a
`power failure backup facility.
`Additionally or alternatively the hub includes a data
`communication concentrator; the power supply distributor
`includes a combiner and a power supply, the communication
`cabling connects the data communication concentrator via
`the combiner to the nodes, and the combiner comprises a
`plurality of couplers and a plurality of filters, each coupler
`being connected via a filter to an output of the power supply.
`Moreover according to a preferred embodiment of the
`present
`invention the hub includes a data communication
`concentrator, the power supply distributor includes a com-
`biner and a power supply, the communication cabling con-
`nects the data communication concentrator via the combiner
`to the nodes, and the combiner
`includes a plurality of
`couplers and a plurality of filters and a plurality of smart
`power allocation and reporting circuits (SPEARs), each
`coupler being connected via a filter and a SPEAR to an
`output of the power supply.
`Preferably the hub includes a data communication
`concentrator, the power supply distributor includes a com-
`
`5
`
`ll!
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`15
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`30
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`35
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`40
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`45
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`50
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`
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`
`US 6,473,608 B1
`
`3
`biner and a power supply, the communication cabling con-
`nects the data communication concentrator via the combiner
`to the nodes, and the combiner includes a plurality of
`couplers and a plurality of filters, each coupler being con-
`nected via a filter to an output of the power supply.
`Additionally or alternatively the hub includes a data
`communication concentrator, the power supply distributor
`includes a combiner and a power supply, the communication
`cabling connects the data communication concentrator via
`the combiner to the nodes, and the combiner comprises a
`plurality of couplers and a plurality of filters and a plurality
`of smart power allocation and reporting circuits (SPEARS).
`each coupler being connected via a filter and a SPEAR to an
`output of the power supply.
`Preferably the hub includes a data communication
`concentrator, the power supply distributor includes a com-
`biner and a power supply, the communication cabling con-
`nects the data communication concentrator via the combiner
`
`lll
`
`15
`
`to the nodes. and the combiner includes a plurality of
`couplers and a plurality of lilters, each coupler being con-
`nected via a filter to an output of the power supply.
`Additionally or alternatively the hub includes a data
`communication concentrator, the power supply distributor
`includes a combiner and a power supply, the communication
`cabling connects the data communication concentrator via *
`the combiner to the nodes, and the combiner includes a
`plurality of couplers and a plurality of filters and a plurality
`of smart power allocation and reporting circuits (SPEARs),
`each coupler being connected via a filter and a SPEAR to an
`output of the power supply.
`Further in accordance with a preferred embodiment of the
`present invention the power supply distributor is operative to
`provide electrical power along the communication cabling
`without unacceptable degradation of the digital communi-
`cation.
`
`30
`
`35
`
`Still further in accordance with a preferred embodiment of
`the present invention the communication cabling comprises
`at least one twisted wire pair connected to each node and
`wherein power is transmitted over a twisted wire pair along
`which data is also transmitted.
`
`Preferably the hub includes a data communication
`concentrator, the power supply distributor includes a power
`supply interface and a power supply, the communication
`cabling connects the data communication concentrator via
`the power supply interface to the nodes, and power supply
`interface includes a plurality of lilters and a plurality of
`smart power allocation and reporting circuits [SPl;'ARs),
`each filter being connected via a SPEAR to an output of the
`power supply.
`Additionally in accordance with a preferred embodirnent
`of the present
`invention the communication cabling com-
`prises at least two twisted wire pairs connected to each node
`and wherein power is transmitted over a twisted wire pair
`different from that along which data is transmitted.
`Preferably the hub includes a data communication
`concentrator, the power supply distributor includes a power
`supply interface and a power supply, the communication
`cabling connects the data communication concentrator via
`the power supply interface to the nodes, and the power
`supply interface includes a plurality of filters and a plurality
`of smart power allocation and reporting circuits (SPEARs),
`each filter being connected via a SPEAR to an output of the
`power supply.
`Still further in accordance with a preferred embodiment of
`the present invention the hub includes a data communication
`concentrator, the power supply distributor includes a com-
`
`40
`
`45
`
`50
`
`55
`
`60
`
`65
`
`4
`biner and a power supply, the communication cabling con-
`nects the data communication concentrator via the combiner
`to the nodes, the combiner includes a plurality of couplers
`and a plurality of filters and a plurality of smart power
`allocation and reporting circuits (SPEARs), each coupler
`being connected via a filter and a SPEAR to an output ofthe
`power supply. and each coupler has at least two ports, one
`of which is connected to a port of the data communication
`concentrator and the other of which is connected, via com-
`mu nication cabling, to one of the plurality of nodes.
`There is also provided in accordance with a preferred
`embodiment of the present invention a local area network
`node for use in a local area network including a hub, a
`plurality of nodes, communication cabling connecting the
`plurality of nodes to the hub for providing digital commu-
`nication and a power supply distributor operative to provide
`at
`least some operating power to at
`least some of the
`plurality of nodes via the hub and the communication
`cabl