r;~MA/('n
`r.~MA/rn
`
`ISOIlEC 8802 3 ; 1993
`ISOIJEC 8802 3 ; 1993
`I\ '~T CIITV~V C' ... ~ on.)') 10n '"l D.J:4.: __
`A ':\TC TIT~4'V Q .. ...J OA'-") 100'l O..J:.: __
`...... ~ vv .... . U, ~.,.Jvv J..J\.lll..'Vll
`... ~~.lL.J ............. vv ..... u, ~vvu J..../Ull,olVll
`
`... .&.....1.&.....1 .......
`
`..... ~ . .........
`........ '
`''''' '' '
`
`10.4.3 MAU-DTE Electrical Characteristics. If the AUI is exposed, the electrical characteristics for
`10.4.3 MAU-DTE Electrical Characteristics. If the AUI is exposed, the electrical characteristics for
`the driver and receiver components connected between the DTE Physical Layer circuitry and the MAlT
`the driver and receiver components connected between the DTE Physical Layer circuitry and the MAlT
`shall be identical with those as specified in Section 7 of this standard.
`shall be identical with those as specified in Section 7 of this standard.
`
`10.5 Characteristics of Coaxial Cable System. The trunk cable is of constant impedance, coaxial con(cid:173)
`10.5 Characteristics of Coaxial Cable System. The trunk cable is of constant impedance, coaxial con(cid:173)
`struction. It is terminated at each ofthe two ends by a terminator (see 10.6.2), and provides the transmis(cid:173)
`struction. It is terminated at each ofthe two ends by a terminator (see 10.6.2), and provides the transmis(cid:173)
`sion path for connection of MAlT devices. Coaxial cable connectors are used to make the connection from
`sion path for connection of MAU devices. Coaxial cable connectors are used to make the connection from
`the cable to the terminators and between cable sections. The cable has various electrical and mechanical
`the cable to the terminators and between cable sections. The cable has various electrical and mechanical
`requirements that shall be met to ensure proper operation.
`requirements that shall be met to ensure proper operation.
`
`10.5.1 Coaxial Cable Electrical Parameters. The parameters specified in 10.5.1 are met by cable
`10.5.1 Coaxial Cable Electrical Parameters. The parameters specified in 10.5.1 are met by cable
`types RG 58 AJU or RG 58 C/U.
`types RG 58 AIU or RG 58 C/U.
`
`10.5.1.1 Characteristic Impedance. The average characteristic cable impedance shall be 50 ± 2 Q .
`10.5.1.1 Characteristic Impedance. The average characteristic cable impedance shall be 50 ± 2 Q .
`Periodic variations in impedance along a single piece of cable may be up to ±3 Q sinusoidal, centered
`Periodic variations in impedance along a single piece of cable may be up to ±3 Q sinusoidal, centered
`around the average value, with a period of less than 2 m.
`around the average value, with a period of less than 2 m.
`
`10.5.1.2 Attenuation. The attenuation of a 185 m (600 ft) cable segment shall not exceed 8.5 dB mea(cid:173)
`10.5.1.2 Attenuation. The attenuation of a 185 m (600 ft) cable segment shall not exceed 8.5 dB mea(cid:173)
`sured at 10 MHz, or 6.0 dB measured at 5 MHz.
`sured at 10 MHz, or 6.0 dB measured at 5 MHz .
`
`10.5.1.3 Velocity of Propagation. The minimum required velocity of propagation is 0.65 c.
`10.5.1.3 Velocity of Propagation. The minimum required velocity of propagation is 0.65 c.
`
`10.5.1.4 Edge Jitter; Entire Segment without DTEs Attached. A coaxial cable segment meeting
`10.5.1.4 Edge Jitter; Entire Segment without DTEs Attached. A coaxial cable segment meeting
`this specification shall exhibit edge jitter of no more than 8.0 ns in either direction at the receiving end
`this specification shall exhibit edge jitter of no more than 8.0 ns in either direction at the receiving end
`when 185 m (600 ft) of the cable is terminated at both ends with terminators meeting the impedance
`when 185 m (600 ft) of the cable is terminated at both ends with terminators meeting the impedance
`requirements of 10.6.2.1 and is driven at one end with pseudorandom Manchester encoded binary data
`requirements of 10.6.2.1 and is driven at one end with pseudorandom Manchester encoded binary data
`from a data generator that exhibits no more than 1.0 ns of edge jitter in either direction on half bit cells of
`from a data generator that exhibits no more than 1.0 ns of edge jitter in either direction on half bit cells of
`exactly 1/2 BT and whose output meets the specifications of 10.4.1.3, except that the rise time of the signal
`exactly 1/2 BT and whose output meets the specifications of 10.4.1.3, except that the rise time of the signal
`must be 30 ns + 0, - ~ ns, and no offset component in the output current is required. This test shall be con(cid:173)
`must be 30 ns + 0, -:.! ns, and no offset component in the output current is required. This test shall be con(cid:173)
`ducted in a noise-free environment. The above specified component is not to introduce more than 7 ns of
`ducted in a noise-free environment. The above specified component is not to introduce more than 7 ns of
`edge jitter into the system.
`edge jitter into the system.
`
`10.5.1.5 Transfer Impedance. The coaxial cable medium shall provide sufficient shielding capability
`10.5.1.5 Transfer Impedance. The coaxial cable medium shall provide sufficient shielding capability
`to minimize its susceptibility to external noise and also to minimize the generation of interference by the
`to minimize its susceptibility to external noise and also to minimize the generation of interference by the
`medium and related signals. While the cable construction is not mandated, it is necessary to indicate a
`medium and related signals. While the cable construction is not mandated, it is necessary to indicate a
`measure of performance expected from the cable component. A cable's EMC performance is determined, to
`measure of performance expected from the cable component. A cable's EMC performance is determined, to
`a large extent, by the transfer impedance value of the cable.
`a large extent, by the transfer impedance value of the cable.
`The transfer impedance of the cable shall not exceed the values shown in Fig 10-6 as a function of fre(cid:173)
`The transfer impedance of the cable shall not exceed the values shown in Fig 10-6 as a function of fre(cid:173)
`quency.
`quency.
`
`10.5.1.6 Cahle DC Loop Resistance. The sum of the center conductor resistance plus the shield
`10.5.1.6 Cahle DC Loop Resistance. The sum of the center conductor resistance plus the shield
`resistance measured at 20 °C shall not exceed 50 mnlm .
`resistance measured at 20°C shall not exceed 50 mD/m .
`
`10.5.2 Coaxial Cable Physical Parameters
`10.5.2 Coaxial Cable Physical Parameters
`
`10.5.2.1 Mechanical Requirements. The cable used should be suitable for routing in various envi(cid:173)
`10.5.2.1 Mechanical Requirements. The cable used should be suitable for routing in various envi(cid:173)
`ronments, including but not limited to, dropped ceilings, raised floors, and cable troughs as well as
`ronments, including but not limited to, dropped ceilings, raised floors, and cable troughs as well as
`throughout open floor space. The jacket shall provide insulation between the cable sheath and any building
`throughout open floor space. The jacket shall provide insulation between the cable sheath and any building
`structural metal. Also, the cable shall be capable of accepting coaxial cable connectors, described in 10.6.
`structural metal. Also, the cable shall be capable of accepting coaxial cable connectors, described in 10.6.
`The cable shall conform to the following requirements.
`The cable shall conform to the following requirements.
`
`10.5.2.1.1 General Construction
`10.5.2.1.1 General Construction
`
`(1) The coaxial cable shall consist of a center conductor, dielectric, shield system, and overall insulating
`(1) The coaxial cable shall consist of a center conductor, dielectric, shield system, and overall insulating
`jacket.
`jacket.
`(2) The coaxial cable shall be sufficiently flexible to support a bend radius of 5 cm.
`(2) The coaxial cable shall be sufficiently flexible to support a bend radius of 5 cm.
`
`175
`175
`
`AMX
`Exhibit 1026-00173
`
`

`
`
`TSOIIl:C R!IO'l-3: 1m [SOllEe SII02-3: 1m
`A.. .. SIIIEEE Std SOIl,S, 19!1~ EditiM
`A..'<SlIIEEE Std _.3. 19!13 Editiool
`
`ux:AL AND ME'J'IWPOUTAN AREA NET'.I'ORKS:
`U)CAL AND ME'fROPOLlTAN AREA NEnI'ORKS:
`
`
`
`,. ,.
`
`"
`"
`
`i " • . '
`i ,
`
`•
`
`, .
`,.
`
`•
`"
`
`"[QU[.t, 'f
`"IQUI'[Y N,
`
`Fig 10-6
`I"igl0.6
`Mazimum Comal Cable Tran8fer Impedance
`MaJ::imum Cornal Cable Transfer Impedance
`
`10.5.2.1.2 Center Conductor. The center conducwr .ball he stranded, tinned copper with an ave""
`10.5.2.1.2 Center Conductor. The center conducwr "hall be stranded, tinned copper with an ove""
`all diameter ofO,S9 mm ± 0.05 mm.
`all diaJl]eter of 0.89 mm:l: 0.05 mm.
`
`10.5.2.1.3 Dielectric Material. The dieleclric may be of any type, provided that the conditiona of
`10.5.2.1.3 Dieleclric Materi .... The dieleclric may he of any type, provided that the conditions of
`10.5.1.2 and 10.5.1.3 are met; bowever, a solid dieleciric ill preferred.
`10.5.1.2 and 10,5.1.8 are met; however, a solid dielectric ill preferred.
`
`
`10.5.2.1.4 Shielding System. The "hielding system may contain both braid and foil element~ suffi(cid:173)10.5.2.1.4 Shielding System. The shielding oy"tern may contain both braid and foil element~ oulli·
`
`cient to meet the transfer impedanee of 10.6.1.5 and the EMC speci:licatiOIl5 of 10.8.2. cient to meet the t ransfer impedance of 10.6.1.5 and the EMC speci:licatioIlll of 10.8.2.
`The imude diameter of the .hidding ayatem shall be 2.95 mm ± 0.15 mm.
`The inoide diameter of the shielding 8Yl'tem shall be 2.95 mm:l: 0.15 mm.
`The shielding system .hall be greater than 96% coverage. The use of tinned copper braid i8 recom(cid:173)
`The shiolding "ystem .hall he greater than 9li% coverage. The "Joe of tinned copper braid iB recom·
`mended to meet the contact resistance and I\hielding requirements.
`mended to meet the contact resistance and welding requirements.
`
`10.5.2.1.5 Overall Jacket
`10.5.2.1.5 Overall Jacket
`
`(0 Anyone of several jacket material. M.all be used provided the specification. of 10.5.1 and 10.5.2 are
`(0 Anyone of several jacket msterials Mall be used provided the specificationa of 10.5.1 and 10.5.2 are
`mO.
`mO.
`(2) Either of two jacket dimensi<.lJ\ll may be used for the two broad dlWlC8 of materials provided the
`(2) Either of two jscket dimensions may be used for the two broad dlWles of materiaill provided the
`specification of 10.6.2.1,1 are met:
`specification of 10.6.2.1.1 are met:
`(lI) Polyvinyl chloride (for example, PVC) or equivalent having an on of 4 .9 mm ± 0.3 mm.
`(a) Polyvinyl chloride (for ""ample, PVC) or equivalent having an OD of 4.9 mm ± 0.8 mm.
`(b) Fluoropolymer (for example, FEP, ECTFE) or equivalent having an OD of 4.8 mm ± 0.3 mm.
`(b) Fluoropolymer (for example, FEP, ECTFE ) or equivalent having an OD of 4.8 mm:!: 0.3 mm.
`
`The cable shall moot applicable flammability and .moke criteria to meet the local and national cod ... for
`The cable .hall moot applicable flammability and smoke criteria to meet the local and national codes for
`the installed environment (JIee 10.8.3).
`the installed environment (see 10.8,3),
`Different types of cablo sections (fur ""ample, polyvinyl chloride and f1uoropolymer dielectric) may be
`Different type!> of cablo sections (fur ""ample, polyvinyl chloride and fluoropolymer dielectric) may be
`interconnected, while meeting the secticning requirements of 10.7.2.1.
`interconnected, while meeting the sectioning requirements of 10.7.2.1.
`
`AMX
`Exhibit 1026-00174
`
`

`
`1
`l
`
`CSMA/CD
`
`ISOIIEC 8802-3 • 1993
`rSOIIEC 8802-3 : 1993
`I nn n
`II l'\Tt' 1 fTDPr,1 ("'It
`.... 1n l"ln ............. ..
`.t H'HJ.lJ .U.':"'~L:.4 ....,'"'u O V.G.U. ~" ::1u ClUlLIUJl
`...
`I nl""n n
`"'tn"'" T" "'I ' , '
`l'Io.Tt'1 fTDP'r.' ("'1 \
`.. JJ.J J..l.:.J.1.:.u.,:, ulAJ OV~.V. J. .:n1tJ ClUl"lUU
`J. \1 "
`
`10.5.2.2 Jacket Marking. It is recommended that the cable jacket be marked with manufacturer and
`10.5.2.2 Jacket Marking. It is recommended that the cable jacket be marked with manufacturer and
`
`type at a nominal frequency of at least once per meter ::llong the cable. type at a nominal frequency of at least once per meter ::llong the cable.
`
`10.5.3 Total Segment DC Loop Resistance. The sum of the center conductor, connectors, and shield
`10.5.3 Total Segment DC Loop Resistance. The sum of the center conductor, connectors, and shield
`resistance shall not exceed 10 n total per segment. Each in-line connector pair or MAD shall contribute no
`resistance shall not exceed 10 Q total per segment. Each in-line connector pair or MAD shall contribute no
`more than 10 run.
`more than 10 mn.
`As a trunk coaxial cable segment consists of several cable sections, all connectors and internal resistance
`AB a trunk coaxial cable segment consists of several cable sections, all connectors and internal resistance
`
`of the shield and center conductor shall be included in the loop resistance measurement. of the shield and center conductor shall be included in the loop re:;i:;tance measurement.
`
`10.6 Coaxial Trunk Cable Connectors. The trunk coaxial medium requires termination and is parti(cid:173)
`10.6 Coaxial Trunk Cable Connectors. The trunk coaxial medium requires termination and is parti(cid:173)
`tioned into sections. Devices Lo be attached to the medium require a means of connection to the medium .
`tioned into :;ection:;. Devices Lo be attached to the medium require a means of connection to the medium .
`
`This means is provided by a BNe "T" adapter, as shown in Fig 10-7. This means is provided by a BNe "T" adapter, as shown in Fig 10-7.
`
`SINGLE MOULDING
`SINGLE MOULDING
`SNAP CLOSE BODY
`SNAP CLOSE BODY
`
`FLYING COVER TO INSULATE
`FLYING COVER TO INSULATE
`MALE "T" CONNECTOR WHEN
`MALE "T" CONNECTOR WHEN
`WITHDRAWN FROM DTE
`WITHDRAWN FROM DTE
`
`INSULA TING COVER
`INSULA TING COVER
`
`
`
`(Tutorial only and not part ofthe standard .) ('futorial only and not part of the standard .)
`
`Fig 10-7
`Fig 10-7
`Examples of Insulated Connector Cover
`Examples of Insulated Connector Cover
`
`The BNe connectors shall be ofthe 50 n constant impedance type. High-quality versions ofthese connec(cid:173)
`The BNe connectors shall be of the 50 n constant impedance type. High-quality versions of these connec(cid:173)
`tors (per lEe 169-8 [41) are recommended in order to meet dc loop resistance and reliability considerations.
`tors (per lEe 169-8 [41) are recommended in order to meet dc loop resistance and reliability considerations.
`All of the coaxial connectors shall follow the requirements as defined in 10.6.3.
`All of the coaxial connectors shall follow the requirements as defined in 10.6.3.
`
`177
`177
`
`AMX
`Exhibit 1026-00175
`
`

`
`!S(J,IIEC 8<102-3 : 1!193
`!SOIiEC 8802-.'1 : l5193
`ANSUlEEE St.I aI)2,a, 19\1J EditioD
`ANSUlEEE SId &1)2,1, 19\1J Edition
`
`L()CI.LAmJ ME'IltOPOI,lTAN AREA NETWORKS:
`LOCALANJJ METROPOI,lTAN AREA NETWORKS:
`
`10.6.1ln.Line Coasial E",tension Connector. All comol cabl .... &hall be terminated with BNC plug
`10.6.lln·Line Coaxial E",tension Connector. All couial cabl .... ohall be terminated with BNC plug
`conne~ton. A means Mall be provided to ensure that the connector shell (which cmmecta to the "ahle
`conne~tOrB. A means mlill be provided to eneure that the connector IlheU (which oonnect.o to the cable
`
`sheath) doey not make contact with any building metal (at ground potential) or other unintended conduc(cid:173)sheath) d""" not make contact with any building metal. (at ground potential) or other unintendOO oonduc(cid:173)
`"',.
`ro,.
`
`An insulating sleeve or boot slipped over the connector at installation time ill suitable. An insulating Hleeve or boot slipped over the oonnector at installation time ill .uitable.
`In·liM oouial "",tens;OWl Mall be made with BNC noc..ptacle-w.receptacle connectol'lljoinoo together to
`In-line couial edeIl8ioIl8 shan be made with BNC receptacl.,..to-rereptacle conn""to..,joined together to
`
`form OM "barrel." An insulating aleeve or boot yholl all<> be provided with each barrel assembly. form one "barrel." An insulating 8leeve or boot .hall alllO be provided with each barrel ""'sembly.
`
`10.6.2 Coa..i.al Cable Terminator
`10.6.2 Coa..i.al Cabl .. Terminator
`
`10.6.2.1 Co"";a] cable terminators are u.sOO to provide a termination impedance for the cable equal in
`10.6.2.1 CoaDa] cable terminaton. are used to provide a termination impedance for the cable equal in
`value to its characteri&ti.c impedance, thereby minimii<ing retlection f1"()JTl the ends of the cables. Termina(cid:173)
`value to its characteri&ti.c impedance, thereby minimiung reflection fl"()JD the ends of the cabl .... Termina(cid:173)
`
`tors llhall be packai;ed within a male or female connector. The termination impedance .hall be liO Q ± 1% to ... llhall be packagOO within a male or fetnale connector. The termination impedance shall be 50 Q ± 1%
`mellBured from (}"'20 Mfh, with the magnitude of the ph ...... angle of the impedance not to exceed. 5". The
`measured from 0--20 MfU, with the magnitude of the ph .... e angle of the impedance not to en:eed 5". The
`
`terminator power rating shall be 0,1i W or groot..r. A m .... ns of insulation shall be provided with e1Uh termi_ terminator power rating Hhail be 0.5 W or greater. A m .... n. of insulation &hall be provided with each termi_
`nator.
`nator.
`
`10.6.S MAU-to-Coanal Cable Connection. A BNC "'l" (plug, receptacle, plug) adaptor provide. a
`10.6.S MAU_to_Cmmial Cable Connection. A BNC ..,- (plug, receptacle, plug) adaptor provide. a
`meano of attaching a MAU to the coarial C!!ble. The connectiou .hall not disturb the trlll1llmWiion line
`meaIlll of attaching a MAU to the oouiol cahlo. The connection shall not disturb the transmialiion line
`characteristiC!! of the cable significantly; it shall pr""ent a low shunt capacitance, and therefore a negligi_
`characteristiC!! of the cable significantly; it shlill pr""ent a low shunt capacitance, and therefore a negligi(cid:173)
`bly short ~tub length. This i6 facilitated by the MAU being located .... close to i18 cable connection"" poosi(cid:173)
`bly short stub length. This is facilitated by the MAU heiul/located "" close to ita cable connection"" possi(cid:173)
`ble; the MAU and connector ~ normally consid~ to be one alllJeDl.hly. Long (gn,ater than " em)
`ble; the MAU and connector are normally considered to be one assembly. Long (J:l'I!ater thau " em)
`connections between the oouial cable and the input of the MAU jeopardize this objective. connection. between the COIlllia] cable and the input of the MAU jeopardize this objective.
`
`Overall system performance is dependent largely on the MAU·t<>-coarial cable connection being of low
`Overall system performance iK dependent hugely on the MAU·to-coarial cable connection being of low
`shunt capacitance.
`""unt capecitance.
`Tho design of the connection llhall meet the electriclll requirement. contained in 10,".1.1 and tbe rdiabil.
`Tho design of tile connection shan moot the electrical:requirements ccntained in 10,".1.1 and tbe rdiabil.
`ity specified in 10.".2.3. The U3C of BNC "'1'" adaptora and connectors satisfies these requirementa.
`ity specified in 10.".2.3. The U&C of BNC .,.. adaptora and oonnectal'S tatisfiea thM<! requirements.
`Figure 10_7 abows a MAU-to-coari1tJ cable attachment.
`Figure 10_7 shews a MAU-to-coarial cable attachment.
`Amean •• holl be provided to ensure that the connector assembly (that;", BNC 'T" plus male connecton)
`Amean •• hall be provided to enoure that the connector IlSIIembly (thatiB, BNC "l'" plus male connectors)
`does not make contact with any building metalWllrk (at ground potential) or any other unintended conduc-
`does not make contact with any building metalwork (at ground potential) or any other unintended conduc(cid:173)
`
`to .... An insulating cover should therefore be applied after connection. A po,gsible design i. depicted in 001':11. An insulating cover should therefore be applied after connection. A poasible design i8 depicted in
`Fig 11)..7. The inoulating cover should have the"" charecteriotiCII:
`Fig 1()"7. The insulating cover should have these characteristicy:
`
`(1) It should guard against accidental grounding of the connector llIlIlembly.
`(ll It should guard against accidental grounding of the connecOOr aasembly.
`(2) It should allow ease of attachment and detachment ofan aQIIeIDbled 'T" connector to the MAUwith(cid:173)
`(2) It should allow ease of attachment and detachment ofan a"""",bled "l'" connector to the MAUwith(cid:173)
`out necell.!litating the removal of section cable connectora (that is, oegment integrity is maintained).
`out n""" ... itating the removal of section cable connectors (that ill, !legment integrity i. maintained).
`(3) It should be a simple moulding that attacheo firmly to a connector assembly.
`(3) It should be a simple moulding that attach"" firmly to a connector aOlJell1bly.
`
`10.7 System Considerations
`10.7 SYRi.em ConsideratioDM
`
`10.7.1 Transmission System Model. Certain physicallimita have been placed on the physical trans_ 10.7.1 Transmission System. Model. Certain physicallimita have been placed on the physical trans_
`
`miMion system. These revolve IIlOIItly around maximum cable lengths (or m""imum propagation tim ... ), as
`nriMion aY"tem. These revolve InOIItly around muimum cable lengths (or muimum propagation tim ... ), as
`
`these can affect critical time volues ror the CSMAlCD ",",ell.!l method, These mou:im.a, in terms ofpropal/a(cid:173)these can affect critical time values br the CSMAlCD """e ... method, 'I'hesIl marima, in ternl!l ofpropaga(cid:173)
`tion times, Wel'f! derived from the phyoical configuration model deacribcd here. The maximum contlgura_
`tion times, wert! derived from the phyoical oonfIgurlltion model deacribod hera. The merimum contlgura_
`tion i8 a8 followy:
`tion i8 aK follows:
`
`(1) A trunk coerial cable, terminated in it!! characteristic impedance at each end, constitutaa Il coerial
`(1) A trunk coaxial cable, terminated in ita characteristic impedance at each end, constitutes a coaxial
`segment. A ooaxial llegment may contain a mllIimum of 1M m (600 tt) of oouial cable and a maD(cid:173)
`segment. A ooaxial ..,gment may contain a mazimum of 185 m (600 ft) of coallial cable and a m"";(cid:173)
`
`mum of SO MAU •. The propagation velocity of tho comal cable;. assumed to be 0.65 c minimum (c mum of SO MAU •. The propagation velocity ofthu co"";al cable;. assumed to be 0.65 c minimum (c
`
`_ 3 X loS mi.). The lIlIlllimum end-to..end propagation delay for a coaxial yel/ment ilI9liO ny. _ 3 X loS mi.). The mllllimum end-to-end propagation delay for a couia\ .cgment iB 950 no.
`(2) Repeater sets !U'1! required for segment interconnection. Repeater sets occupy MAU poo!itions on
`(2) RepeateT sets Rnl required for segment interconnection. RepeateT ",,1>1 otCUpy MAU poolitions on
`coaxiol segmenw and count toward the maximum number ofMAUs on a coaxial8egment. Repeater
`coerial &egmenta and count toward the marimum number ofMAU. on a coaxial aegment. RepeateT
`scw may be looated anywhere on a comal ""gment.
`set!! mey be located anywhere en a co"";a! !legment.
`(3) The maximum transmillaion path permitted between any two MAU. is limited by the number of
`(3) The maximum tran&miaaion path permitted between any two MAU. ;,. limited by the number of
`l'f!pe8ter llet. that can be connected in series (that is, four!. Tho mwdmum number of segment. oon(cid:173)
`repeater..,18 that can be connected in series (that i., four}. The muimum number of eegmcn18 con(cid:173)
`nected in aeri .... iB therefore live (Fig 10-8), which shall consiat of no mOte than three tapped ""axial
`nected;n seri"" is therefore live (Fig 10-8), which shall consist of no mOre than three tapped coaxial
`segmenlll; the remainder shall be link segments as defined in 8.6.1.
`8egmen18; the remainder ahall be link segments a8 defined in B.6.1.
`
`AMX
`Exhibit 1026-00176
`
`

`
`-
`
`I
`
`IIJOIlmC lII01..I : 19Y3
`ANlMUK 1I0oI IOU, 1"" EoIi_
`
`STATO< ,
`
`Fir 10-8
`1"1,10-8
`MllIimum TnnlJlDiuioD Path
`M..n..WII Tn.n.mI ... :iOD Path
`
`\hoi 1M ....., "' .,.,~_." • .", mol _
`
`....
`
`•
`
`........... "' __ * ."'IT ....... 11.· _."M'..., __ ........ 1". IN Inld ... 117 .... __
`N01'I:, c ... _
`ItO'TS. c..ro _
`.. "'""-' to _
`, e
`• t-1lI .1.J..1~
`IOpooMcno _
`1O.1.1J1l
`(4) The tran_m;";OD a)'lltem mooy .u.o oont.ain 8efJMou toII"Iprising trunk COUI.al alble .""",lied ill
`(;/o J n.. I ................ .,.t-. ......,. .... _tam .... "" .. u campn.iq' tnmk ........ 1 ~ lpec:l6.ed. l.D
`Sectioo 8; bow ........ , til ..... ahalL be attad!ed by repeaW" _ . AI!...,d> a combi".lion of Hgmcnts is
`SectioD 8; ",,",trftZ", th_lhall be IItt..htd by reptalft'''. Aa oad! ....... b1...u., al .,...a .... t& is
`capable. -*'inin&" ~ -.u>o thu ( t ) abcrN, Ihoo mnimum ~ u... be<
`aI""bie of acbjerlng lonKel" lengths than (8) aboH, the marimum c:onfiguration then beco ...... lim(cid:173)
`lim(cid:173)
`fWd by pzvpaptiaa. de~ Type IOBASE2 HClHnuihollld ft.Ot be 1-.1. to brid.I'e \"fro 'l'Jpa lOBASES
`iud by JrnIPIlBation dela)< Type IOBASE2 HlfIlIenu M.<tUld nO( be U9f:d to bri~ two 'tYpo 10BASEIi
`....... w.
`l!eJ1Denta.
`
`\lot ....... _
`
`IIy ObI _ of
`
`Figul"el 10-9, 10-10, and 10-nlh"", tranamiMim Bystems OfvariOU6 tY{Ifl8 and tl_ to illultrate the
`FlJw"H 1()'9, 10-10, and 10-11 ,how mnami ... im ayatoma ofvario,- type. aft(! 111_ t<> llla.mt .. the
`boundlll')' conditio"" 00 topologies renerated aecordlng to Ute .peciliCRtioDJI in !hi, -.:Idolon.
`boundary conditio"," 00 topologies j(enerat&d aceordlng to the 8pecifi.cationo in We section .
`
`"------ -
`r
`
`t·· ....... --.q
`
`- ~ -------01
`
`.. ~
`
`.,.. 10-11
`Fig 10-8
`The Mlnl_um 8)'er .... CaDfilUnitiolo
`The MiDI_um 8y~m ConfilUrllt>on
`
`10.7.2.1 Cable s.ecU-oning. The 18.'1 m (600 ft) maximum length roarial alble Hpent will be made
`10.'1.2.1 Cooble 8edioDi.D&'. 'n.e W m (too ft) maximum Iertgth .,.xb J mbiallolllftll"t will be made
`t'nrm .. number al.,.bI.oo teef;iana. All u.. .. ula\iorl .... .,.bloo cbar .. t..ristio: impede"", u.:t2 n 011 &0 n. .. ~
`from a number at cable eecti<lna. AI tho, variation 00 cable dlararleristic: impedance ill ±3 (} on 50 n, a ~
`';bk wor.et-caae refLe.tion of ,,'It may ..,.,.,It!Tom the millmatell betw ... n two adjacont cable 8eCtIono. The
`... fIorli.on of ..... IDA)' ,-,It tn. ... ~ miam.tch between hro .~accDt .,.bl. ~o ..... The
`oribJe .,.. .. _
`MAU will add to this r-efLection by the introcilJction ofiu noninfinite bridging impedance.
`MAlJ will add to this l'dleetion by the introd"ctKJn ofiLi noninfiniu bri<W"II: IlIIpedan ....
`1'hII ae.:umulatlon ofthl. ""Hecti"" can be mlnlml2ed byobo.erving .. minimum dJot.,.coe betWMn MAU.
`The accumulation oftrol reflection can be minimized byobaervi.ng .. minimum distance between MAU.
`(and between cable soction.). In ord .... to maintain rellediona II.t an lI.ccepte.ble Leva!. the miDlmlJm length
`("nd bet .......... cabl .. 1IOCtion.). In ordor to mUlltflin ..,lIection.o Il\ an IlCOllpUt.ble hlY&!, the mlDlm\lm length
`.,.ble ~Qn ,hall be 0.1i on.
`cable eectlon 'hall be 0.15 m.
`
`".
`".
`
`AMX
`Exhibit 1026-00177
`
`

`
`--
`,.
`
`11I(M'lI';C 1ItOt.,l : IlIA
`l~.-:n": IMJ
`AJoIlIIIIUC ... 8OU. IIHta "-:I ......
`loN~lII l1:11:lI: Sod lIOU. l lH1a 1'.:j;_
`
`C<WC SECUEHT 1
`
`-------l
`I
`
`I
`
`REPEATER
`
`R£J>EAn::R SO •
`
`COAX SEGMENT 2
`
`f'Itr 10-10
`~10·to
`Thlll'l'limmum Syltem Cllllflau-o:.tlon Requirinlr a Repeater Set
`Thel'+'linimum S)'1ttOm Configuration Requirinc .. Repllllter Set,
`
`~ ~A
`•
`•
`~ 6 ~
`
`_. _. -_. -
`-.
`
`
`~
`
`~ 2~2
`_.
`_.
`-,
`-
`-
`_.,------------. -.
`-':
`~i<I' ""'H' r-
`-T:
`'T':
`i J \ !
`L_Y_.J
`
`-~
`
`fi'IIt 10-11
`..,..IO-n
`An 1Ua.m1l11l or. I.oof'Il1Illyllrid Sy..tem
`An Exampl8 of .. ~ Hybrid Sy1Jtem
`
`, ..
`
`180
`
`AMX
`Exhibit 1026-00178
`
`

`
`-
`
`I~om:c 88(12-3 : 1m
`lROflEC 8802-3 : 1003
`ANSIJIEEE Sid 802.3. 1993 Edilioo
`ANRIIIEEE Sid 802.3, 1993 EdiU""
`
`10.7.2.2 MAU Placement. MAU component~ and their asaoclated connection. to the cable cau.e Iri~.
`10.7.2.2 MAU Placement. MAU "omJlOnent~ and their ..... crlated connection. to the "able cau. e sig(cid:173)
`nal rofiections due to their noninfinit.. bridging impedance. While thi& impedance must be implemented as
`nal reflection. due to their noninfinit.. bridging impedance. While tlri. impedance must be implemented as
`.pecified in 10.6, j;b., placement of MAU8 alon~ the lmIXial cable must also be controlled to ensure that
`.pe<:ifled in 10.6, th<! placement of MAU8 ,.looi:' the coaxial cable must also bo controlled to ensure thnt
`
`reflections from the MAV do not accumulate to a significant degree. reflections from the MAU do not &CCumulate to a significant degree.
`
`Coaxial cable SectiOIlB all specified in 10.7.2.1 shall be used to ClImeci MAUs. Thi. lUaranWe" a mini(cid:173)Coaxial cable sections as specified in 10.7.2.1 shall be used to CIIIneci MAU •. Thi. guarantee" a mini·
`mum spacing between MAO. ofO.5 m.
`mum spacing between MAU~ ofO.1i m.
`The total number ofMAUs On a cable .egment shall not exC6lld 30.
`The total number ofMAU. On a cable ~egment shall not exceed 30.
`
`
`10.7.2.3 Trunk Cable System Earthing. The :!hield conductor of each coaxial cable segment may 10.7.2.3 Trunk Cable System Earthing. The shield conductor of each coaxial cable segment may
`make eledrical contact with an effective earth reference l3 at one point and shall not make electrical con(cid:173)
`make electrical contact with an effective earth reference lS at one point and shall not make electrical con.
`tact with earth elsewhere on such objedIJ as building structural metal, duding, plumbing fixture, or other tact with earth elsewhere on such object. as building "tructural metal, ducting, plumbing fixture, or otheI
`
`unintended conducto.-. in5UiatOI'l! 5hould be usod to cover any coaxial connectors used to join cRble sections
`unintended conducto.-. in. uiatOI'l! should ho u..oo. to oover any coaxial connectors used tojoin cable ."dion.;
`lUld terminatou, to erumre that this requirement ill met. A&loeve or hoot attached at installation time;';
`and terminatou, to ensure that this requirement is IDet. A510evu or boot attached at installation time i3
`acceptable. (See 10.6.11.)
`acceptable. (See 10.6.3.)
`
`10.7.2.4 Stati" Discharge Path. A static disclrnrtlC path shall be provided. The ~eld of the trunk
`10.7.2.4 Statie Discharge Path. A static di!lChnrge path sh~ll be provided. The ~eld of the trunk
`coarial ""ble io required to be connected to each DTE earth (within the DTE) via a 1 MO, 0.2.'; W resioWr
`""arial cable;" required to be CIlnn.ected to esrb mE earth (within the mE) via a 1 Mn, 0.2.'; W resistor
`that has a voltage rating of at leailt 700 V de.
`that has a voltage rating of at lea8t 7/10 V de.
`
`10.7.2.5 Installation Environment. This specification is intended for networM in use within a single
`10.7.2.5 Insta1lation Environment. This specification is intended for networks in use within a single
`building and within an area aerved by a single low.voltage JIOwer distribution system. Applications requir.
`building and within an area oerved by a single low.voltage JX>wer distribution 8ystem. Applications requir.
`ing interplant connections via erlernal (outdoors) means may require .pedal considerations. Repeaters
`ing interpiant connections via erlernal (outdoors) means may require "pecial consideratioIlll. Repeaters
`and nonconducting IRL rompOnont. may provide the mean. to "atisfy these isolation requirements.
`and nonconducting IRL compOnont. may provide the mean& to satisfy theso iroiation requirements.
`
`
`NOTK n., ,..ader ;. .0";""0 that o<vi""" should no! be operated .t sipiiNnlly dilf=nt {rome poto",;.,;.. The lOBASElI cenoocl:i"" NOTK n., ",ader .. od", .. d tho. do"""" should not b< op<:ra.ed •• sipiiNntly dilf=nt fru:oc poto,,"ola. '!he 10BASElI cenoootloo
`oyot.m moy,.,. .. "'-l"'bIo ofhonolli"il _i"" .. rth <Ornt<lIi<.
`<:!,oWn moy,.,. bo "'l"'bI. olhonolli"ll _i"" .. rih «>"""Il<.
`
`10.8Environmental Specifications
`10.8 Environmental Specification"
`
`10.8.1 Safety RequirlOlIlents. The designer .h""ld consult relevant local and national 8afety regula·
`10.8.1 Safety Requirements. The de"igIwr . hould consult relevant local and national safety regula·
`tion. to assure compliance with the appropriate . tandard. (for e=mple, M'e Appendix A for refenmco tions to assure compliance with the appropriate .tandard. (for e=mple, see Appendix A for refonmce
`
`material).
`material).
`
`10.8.1.1Install.ltions. If the trunk coaxial cable is to be installed in close proximity to electrical JIOwer
`10.8.1.1Instal1.l.1ion9. If the trunk ""axial cable is to be installed in close proximity to electrical JX>wer
`cables, then installation