19964El.TIA586A[】,。ElTIA568A,。【】1,,、,、、、。。、,。,;,IBM327o,Ethernet、oTkenRing,,、、。。。,(、、),。,,。、、,(BAS)、(SM)S、(STV)、。1985,、。CCIA(),(IEA)。,EIA19917,ITIA568》(TheEIA/T568oCmmcerialBuildingTelecommuineationsaCblingStandadr)。19941EIA/TIA568A。AT&TSYSTEM,IBDN,AMPNET-CONNECTEIA586AEIA569A(),EIA570(),EIA606(),IEA6O7(/)。2EIA/TIA568AIETIA-568A,、,。,3,ooom,2,0001000,000,100DOI:10.13274/j.cnki.hdzj.1996.04.01119%450,000。,LAN(Ethemet,TokenRi),、、、、、、/。ElTIA568A:(1);(2);(3);(4);(5)10。ElTIA568A6。2.1(BuildingEntarne。)。,,。:。,、、、。2.2(EquiPmntRcom),。、()、(PABX)、。2.3(BackboneCabhng)、。、、。:(1)();(2);(3)。:a.100nUTP,800m();b.15OnSTP,90m();.c62·5/125,2000m;d·8·31/25,3000mo,。2.4(TelecommunieationsCloset),,。,,。,90m,。2.5(HoriozntalCabilgn),,。(In-f。ationsoutlet),50m。:a.4100nUTP;b.2150QSTP:e·262.5/125。2.6(Wokrea),,、。,,。3U,51。()“3.IUPl,%4,UTP。,ElT568AUPT。(1)16M/;(2)20MHz/;(3)100MzH/。,UT100n10%,IMzH(16MH2,20MF100MHz)。()ElTLA,568A。3.3,、、,:(1)62.525m;(2)62.525m8.325。568sc,62.5/125m/,8.325/。4:、,、、IC,、。,、、、。,,,、、。,、、。,。,、,、,,、。,,。,,。,,。,EIA/TIA568A《),。ElTIA568AQerdalBuUdTel”nununa-t.Wiirngstdatd.1994,lE】TIA60,C,nnleiiGorunndRr.n1993,4..CP,1995,8:,。:151:,。:150001:,。:150028:f.。:15X()01(B:19961030)