<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
<META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
<TITLE>Linux Ethernet-Howto: $B%1!<%V%k!"F1<4!"%D%$%9%H%Z%"(B</TITLE>
<LINK HREF="Ethernet-HOWTO-7.html" REL=next>
<LINK HREF="Ethernet-HOWTO-5.html" REL=previous>
<LINK HREF="Ethernet-HOWTO.html#toc6" REL=contents>
</HEAD>
<BODY>
<A HREF="Ethernet-HOWTO-7.html">$B<!$N%Z!<%8(B</A>
<A HREF="Ethernet-HOWTO-5.html">$BA0$N%Z!<%8(B</A>
<A HREF="Ethernet-HOWTO.html#toc6">$BL\<!$X(B</A>
<HR>
<H2><A NAME="cable"></A> <A NAME="s6">6. $B%1!<%V%k!"F1<4!"%D%$%9%H%Z%"(B</A></H2>
<P>$B%M%C%H%o!<%/$rA4$/0l$+$i;O$a$k$N$G$"$l$P!"%7%s%$!<%5%M%C%H(B(BNC $B%3%M%/%?(B
$B$N$D$$$?(B RG58 $BF1<4%1!<%V%k(B)$B$r;H$&$N$+!"(B10baseT ($BH,@~MQ$NEEOC%3%M%/%?$N$D(B
$B$$$?EEOC@~<0$N%D%$%9%H%Z%"%1!<%V%k(B)$B$K$9$k$+$r7h$a$^$7$g$&!#(B $B%7%C%/%$!<%5(B
$B%M%C%H(B(N $B%3%M%/%?$N$D$$$?(B RG-5 $B%1!<%V%k(B)$B$O!"5l<0$G;~BeCY$l$NBeJ*$J$N$G!"(B
$B$b$&$[$H$s$I$*L\$K$+$+$k$3$H$b$J$/$J$C$F$7$^$$$^$7$?!#(B
<P>$B%1!<%V%k$K$D$$$F$O$^$:!"(B
<A HREF="Ethernet-HOWTO-2.html#cable-intro">$B$I$N%?%$%W$N%1!<%V%k$,;H$($k%+!<%I$rA*$Y$P$h$$$+(B</A>
$B$KL\$rDL$7$F$/$@$5$$!#(B<EM>comp.dcom.lans.ethernet</EM> $B$K$"$k(B FAQ $B$b%1!<%V%k$J(B
$B$I$N>pJs8;$H$7$FM-MQ$G$9!#(Brtfm.mit.edu $B$N(B FTP $B%5%$%H!"(B
<CODE>/pub/usenet-by-hierarchy/</CODE>$B$K%K%e!<%9%0%k!<%W$N(B FAQ $B$,$"$j$^$9!#(B
<P>
<P>
<H2><A NAME="bnc"></A> <A NAME="ss6.1">6.1 $B%7%s%$!<%5%M%C%H(B($B%7%s%M%C%H(B)</A>
</H2>
<P>
<P>$B%7%s%$!<%5%M%C%H%1!<%V%k$O7k9=0B$$$b$N$G$9!#<+:n$9$k$J$i!"%=%j%C%I%3%"$N(B
RG58A $B$,0l%a!<%H%k(B $0.27$B!"I8=`$N(B RG58AU $B$G$b%a!<%H%kEv$?$j(B
$0.45 $B$GF~<j$G$-$^$9!#%D%$%9%H(B-$B%*%s(B BNC $B%3%M%/%?$O0l8D(B $2
$BDxEY$G$9!#$[$+$K$b$$$m$$$m$HItIJ$,I,MW$G$9$,!"$$$:$l$b9b$$$b$N$G$O$"$j$^(B
$B$;$s!#Bg;v$J$N$O!"(B50 $B%*!<%`$N%?!<%_%M!<%?$r;H$C$FA4It$N%1!<%V%k$NC<$r$-(B
$B$A$s$H=*$o$i$;$F$*$/$3$H$G$9!#$3$N%?!<%_%M!<%?$O0lBP(B $2 $B$/$i$$$G(B
$B$9!#JRC<$,$I$3$K$b$D$J$,$C$F$$$J$$%1!<%V%k$,$G$-$J$$$h$&$K$9$k$3$H$b4NMW(B
$B$G$9!#(BT $B%3%M%/%?$OI,$:%$!<%5%+!<%I$KD>@\<h$j$D$1$k$3$H!#(B
<P>$B%7%s%M%C%H$r;H$&$N$r$d$a$F$*$3$&$H$$$&<g$JM}M3$O!"0J2<$NFs$D$G$9!#$^$:!"(B
$BB.EY$N8B3&$,(B 10M/sec $B$G$"$kE@!#(B 100Mb/sec $B$K$O%D%$%9%H%Z%"$,I,MW$G$9!#Bh(B
$BFs$NM}M3$O!"$?$/$5$s$N%3%s%T%e!<%?$r$D$J$$$G$$$k>l9g!"$I$3$+0l%+=j$N%1!<(B
$B%V%k$,(B T $B%3%M%/%?$+$i$?$^$?$^H4$1$F$7$^$C$?$@$1$G!"%M%C%H%o!<%/A4BN$,Mn(B
$B$A$F$7$^$&$H$$$&E@$G$9!#$3$s$J$3$H$K$J$k$N$O!"(B50 $B%*!<%`$N%?!<%_%M!<%?$,(B
$BI,MW$G$"$k$K$b$+$+$o$i$:!"%1!<%V%k$,H4$1$k$H%$%s%T!<%@%s%9$,L58BBg$K$J$C(B
$B$F$7$^$&(B($B2sO)$,3+$$$F$7$^$&(B)$B$+$i$G$9!#$?$@$7!"%+!<%I$=$N$b$N$+$i(B T $B%3%M%/(B
$B%?$r<h$j=|$$$F$b%5%V%M%C%HA4BN$,Mn$A$F$7$^$&$3$H$O$"$j$^$;$s!#$?$@$7!"$=(B
$B$N>l9g$G$b%1!<%V%k$r(B T $B%3%M%/%?$+$i$O$:$7$F$O$$$1$^$;$s!#$b$A$m$s!"K\Ev(B
$B$K(B T $B%3%M%/%?$r<h$j=|$$$?$j$7$?$i!"$=$N%3%s%T%e!<%?$K;Y>c$,H/@8$9$k$3$H(B
$B$G$7$g$&(B 8-)$B!#(B $B%3%s%T%e!<%?FsBf$G$5$5$d$+$J%M%C%H%o!<%/$rAH$`>l9g$K$b!"(BT
$B%3%M%/%?$H(B 50 $B%*!<%`$N%?!<%_%M!<%?Fs8D$,I,MW$G$9!#%3%s%T%e!<%?F1;N$r%1!<(B
$B%V%k$GD>7k$7$F$O(B<EM>$B$$$1$^$;$s(B</EM>$B!#(B
<P>
<P>
<P>$B@$$NCf$K$O@~$,0lK\$@$1%+!<%I$NCf$KF~$C$F$$$k$h$&$K(B<EM>$B8+$($k(B</EM>$BJQ$o$j<o(B
$B$N%1!<%V%k$b$"$j$^$9!#$G$b!"<B:]$K$O!"30Au$r;\$7$?FsK\$N%1!<%V%k$,J?9T$7(B
$B$FAv$C$F$$$k$N$G$9!#$=$N$?$a%1!<%V%k$N2#CGLL$OBJ1_7A$K$J$C$F$$$^$9!#%M%C(B
$B%H%o!<%/LV$NJ}8~$,JQ$o$k>l=j$G$O!"%+!<%I$K@\B3$7$?(B BNC $B%3%M%/%?$N$H$3$m(B
$B$G$M$8$l$,$G$-$F$7$^$$$^$9!#F1$8%1!<%V%kFsK\$H(B BNC T $B%3%M%/%?0l$D$,$"$k(B
$B$o$1$G$9$,!"$3$s$J>l9g$K$O!"(BT $B%3%M%/%?$N0lJ}$NB&$+$i%1!<%V%k$r<h$j30$9$H(B
$B$$$&$N$OL5M}$JAjCL$G$9!#$=$7$F7k2L$H$7$F$O%M%C%H%o!<%/$K>c32$,H/@8$7$F$7(B
$B$^$&$N$G$9!#(B
<P>
<P>
<H2><A NAME="utp"></A> <A NAME="ss6.2">6.2 $B%D%$%9%H%Z%"(B</A>
</H2>
<P>
<P>$B%D%$%9%H%Z%"%1!<%V%k$r;H$C$?%M%C%H%o!<%/$rAH$`$K$O!"%"%/%F%#%V%O%V$,I,MW(B
$B$G$9!#%O%V$O(B $50 $B0J>e$O$7$^$9!#%1!<%V%k$=$N$b$N$NCMCJ$b%7%s%M%C%H(B
$BMQ$N$b$N$h$j$O9b2A$G$9!#<j85$K$"$kEEOC%1!<%V%k$r;H$($k$H$$$&OC$OK:$l$?J}(B
$B$,$$$$$G$7$g$&!#$&$^$/9T$/$3$H$O$a$C$?$K$"$j$^$;$s$+$i!#(B
<P>100Mb/sec $B$N%$!<%5%M%C%H$rAH$`;~$K$O!"%D%$%9%H%Z%"$r;H$&$7$+$"$j$^$;$s!#(B
$B:G6a$G$O;v6H=jMQ$N%M%C%H%o!<%/$N>l9g$K$O!"%D%$%9%H%Z%"$rA*$V$N$,IaDL$K$J$C(B
$B$F$$$^$9!#(BRuss Nelson $B$O!"!V?7$?$K%M%C%H%o!<%/$rAH$`$H$-$K$O!"%+%F(B
$B%4%j!<(B 5 $B$N%1!<%V%k$r;H$&$h$&$K$7$F$/$@$5$$!#$5$b$J$$$H!":n6H;~4V$,L5BL(B
$B$K$J$C$F$7$^$$$^$9!#(B 100Base $B7O$N%M%C%H%o!<%/$N>l9g$K$O!">o$K(B $B%+%F%4%j!<(B
5 $B$N%1!<%V%k$,I,MW$G$9!W$HIU$12C$($F$$$^$9!#(B
<P>$BFsBf$N%3%s%T%e!<%?$r7R$0$@$1$J$i!"%O%V$,$J$/$F$b$@$$$8$g$&$V$G$9!#$3$N(B
$B>l9g$K$O(B Rx $B$N%Z%"$H(B Tx $B$N%Z%"$rF~$lBX$($F$/$@$5$$!#(B
<P>$B8GDjMQ%?%V$r>e$K$7$F(B RJ-45 $B%3%M%/%?$r<+J,$NJ}$K8~$1$F;}$D$H(B($B%W%i%0$r<+J,$N(B
$B8}$KFM$C9~$`$h$&$K;}$D$o$1$G$9(B)$B!":8C<$,(B 1 $BHV%T%s$G1&C<$,(B 8 $BHV%T%s$K$J$j(B
$B$^$9!#3F%T%s$NLr3d$O0J2<$NDL$j$G$9!#(B
<P>
<P>
<P>
<P>
<PRE>
$B%T%sHV9f(B $BMQES(B
---------- ----------
1 $B%G!<%?=PNO(B (+)
2 $B%G!<%?=PNO(B (-)
3 $B%G!<%?F~NO(B (+)
4 $BEEOC%1!<%V%k$H$7$F;H$&$H$-$KN1J](B
5 $BEEOC%1!<%V%k$H$7$F;H$&$H$-$KN1J](B
6 $B%G!<%?F~NO(B (-)
7 $BEEOC%1!<%V%k$H$7$F;H$&$H$-$KN1J](B
8 $BEEOC%1!<%V%k$H$7$F;H$&$H$-$KN1J](B
</PRE>
<P>$B%1!<%V%k$r<+:n$9$k>l9g$K$O!"<!$K=R$Y$k$3$H$r@53N$K9T$&$h$&$K$7$F$/$@$5$$!#(B
$B:9F0?.9f@~$N%Z%"$OF1$8%D%$%9%H@~$N%Z%"$r;H$o$J$1$l$P$J$j$^$;$s!#(BUTP $B%1!<(B
$B%V%k$NIT@09gB;<:$r:G>.8B$K$9$k$?$a$G$9!#>e$NI=$r$4Mw$/$@$5$$!#(B1 $B$H(B 2 $B$*$h(B
$B$S(B 3 $B$H(B 6 $B$,:9J,%Z%"?.9f@~$NFsAH$,!":9J,%Z%"?.9f@~$G$9!#(B1 $B$H(B 3$B!"(B 2 $B$H(B 6
$B$G$O$"$j$^$;$s(B!!!!! $BC;$$%1!<%V%k$r(B 10MHz $B$H$7$F;HMQ$9$k>l9g$J$i!"$3$3$G(B
$B4V0c$$$r$7$G$+$7$F$b$J$s$H$+$J$k$G$7$g$&!#$G$b$3$l$O%1!<%V%k$,C;$$$H$-$@(B
$B$1$G$9!#(B100 MHz $B$N;~$K$b$3$s$JIw$K$$$/$H$O$*9M$($K$J$i$J$$$h$&$K!#(B
<P>
<P>A $BB&(B $B$H(B B$BB&(B $B$r7k$VIaDL$N%Q%C%A%3!<%I$N>l9g$J$i!"$9$J$*$K%T%s$H%T%s$rBP1~(B
$B$5$;$l$P(B OK $B$G$9!#F~NO!&=PNO$N$=$l$>$l$,3F0lBP$N%D%$%9%H%Z%"$K$J$k$h$&$K(B
$B$9$l$P$$$$$N$G$9(B($B%$%s%T!<%@%s%9$NLdBj(B)$B!#$D$^$j!"(B1A $B$H(B 1B$B!"(B 2A $B$H(B 2B$B!"(B3A
$B$H(B 3B$B!"(B $B$=$7$F(B 6A $B$H(B 6B $B$rBP1~$5$;$k$3$H$K$J$j$^$9!#(B1A - 1B $B$H(B 2A - 2B $B$G(B
$B%D%$%9%H%Z%"$r$D$/$C$F$/$@$5$$!#$b$&0lBP$N%D%$%9%H%Z%"$O(B 3A - 3B $B$H(B 6A -
6B $B$rAH$_9g$o$;$k$3$H$K$J$j$^$9!#(B
<P>$B%O%V$,$J$$>l9g$K$O!"%L%k%1!<%V%k$r$D$/$k$H$$$&<j$,$"$j$^$9!#$D$^$j!"(B
A $BB&$NF~NO$,(B $B%W%i%9%^%$%J%9$,F1$8$G$"$k(B B $BB&$N=PNO$K$J$j!"(BA $BB&$N=PNO$,(B
$B%W%i%9%^%$%J%9$,F1$8$G$"$k(B B $BB&$NF~NO$K$J$k$h$&$K$9$k$N$G$9!#8@$$49$($l(B
$B$P!"(B1A $B$H(B 3B (A $BB&$N=PNO(B(+)$B$H(B B $BB&$NF~NO(B(+)$B$r!"$=$7$F(B 2A $B$H(B 6B (A $BB&$N=P(B
$BNO(B(-)$B$H(B B $BB&$NF~NO(B(-))$B$r7R$0$N$G$9!#$=$7$F!"$3$NFsK\$G%D%$%9%H%Z%"$r:n(B
$B$j$^$9!#$3$NFsK\$,(B A($B%+!<%I(B/$B%W%i%0(B)$BB&$+$i$_$F=PNO$KAjEv$9$k$b$N!"$D$^(B
$B$j(B B($B%+!<%I(B/$B%W%i%0(B)$BB&$+$i$_$k$HF~NO$H$J$k$b$N$rEAC#$9$k$N$G$9!#(B 3A $B$O(B 1B
$B$H(B(A $BB&$NF~NO(B(+)$B$H(B B $BB&$N=PNO(B(+))$B!"F1MM$K(B 6A $B$H(B 2B (A $BB&$NF~NO(B(-)$B$H(B B $BB&(B
$B$N=PNO(B(-))$B$r@\B3$7$^$9!#$=$7$F!"$3$NFsK\$G$^$?%D%$%9%H%Z%"$r$D$/$j$^$9!#(B
$B$3$NFsK\$,EAC#$9$k$N$O!"(BA($B%+!<%I(B/$B%W%i%0(B)$BB&$+$i$_$FF~NO$KAjEv$9$k$b$N!"$D(B
$B$^$j(B B($B%+!<%I(B/$B%W%i%0(B)$BB&$+$i8+$k$H=PNO$H$J$k$b$N$G$9!#(B
<P>$B$G$9$+$i!"IaDL$N%Q%C%A%3!<%I$,<j85$K$"$k$J$i!"$=$NJRC<$r@ZCG$7$?>e$G(B
Rx $B$N%Z%"$H(B Tx $B$N%Z%"$N>l=j$rF~$lBX$(!"$=$7$F!"?7$7$$%W%i%0$K:9$79~$s$G(B
$B8GDj$7$F$d$l$P$$$$$3$H$K$J$j$^$9!#$9$G$K%L%k%1!<%V%k$r$*;}$A$J$i!"$d$d$3(B
$B$7$$:n6H$O$$$C$5$$I,MW$"$j$^$;$s!#$3$N%1!<%V%k$5$(7R$$$G$d$l$P!"JRB&$N(B
$B%+!<%I$+$i$N(B Tx $B?.9f$O(B $B$b$&0lJ}$N%+!<%I$N(B Rx $B$K(B($B5U$bF1MM(B)$BAw$j9~$^$l$F$$(B
$B$-$^$9!#(B
<P>$BCm(B: 10BaseT $B$,I8=`$N:B$r3MF@$9$k0JA0$K$O!"(B RJ-45 $B%3%M%/%?$H>e=R$7$?$N$H(B
$BF1$87A<0$N%1!<%V%k$r;HMQ$9$k%M%C%H%o!<%/J}<0$,$$$/$D$b$"$j$^$7$?!#(B
SynOptics $B<R$N(B LattisNet $B$d(B AT&T $B<R$N(B StarLAN $B$O$=$N0lNc$G$9!#(B
$B=i4|$N(B 3C503 $B$N$h$&$K!"%8%c%s%Q$N%;%C%H$G@\B3$9$k%O%V$N7A<0$r7h$a$k$3$H(B
$B$,$G$-$k%+!<%I$b$"$j$^$9!#$H$O$$$&$b$N$N!"$3$&$7$?5l<0$N%M%C%H%o!<%/J}<0(B
$BMQ$N%+!<%I$O!"I8=`$H$J$C$F$$$k(B 10BaseT $B%M%C%H%o!<%/(B/$B%O%V$G$O@5>o$K5!G=$7(B
$B$J$$$N$,IaDL$G$9(B(AUI $B%]!<%H$N$"$k%+!<%I$J$i!"(BAUI $B$+$i(B 10BaseT $B$X$NJQ494o(B
$B$,$D$$$F$$$^$9$+$i!";H$($J$$$O$:$O$"$j$^$;$s(B)$B!#(B
<P>
<P>
<H2><A NAME="ss6.3">6.3 $B%7%C%/%$!<%5%M%C%H(B</A>
</H2>
<P>$B%7%C%/%$!<%5%M%C%H$O$b$&$?$$$,$$;~BeCY$l$J$N$G!"4{B8$N@_Hw$H$N8_49@-$rJ](B
$B$D$?$a$K$7$+MQ$$$J$$$h$&$K$J$C$F$$$^$9!#C;$$%7%C%/%$!<%5%M%C%H%1!<%V%k$H(B
$B%7%s%$!<%5%M%C%H%1!<%V%k$r(B N-to-BNC $B%Q%C%7%V%3%M%/%?(B($BLs(B 3$)$B$r;H$C(B
$B$F@\B3$9$k$H$$$&!"5,B'$N3HBg2r<a$b2DG=$G$9!#4{B8$N%7%s%M%C%H$r3HD%$9$k>l(B
$B9g$K$O!"$3$l$,:GA1$NA*Br$G$7$g$&!#%j%T!<%?$r;H$&$H$$$&$N$,$3$&$$$&>l9g$K(B
$B$O@52r$G$9$,!"9b$/$D$$$F$7$^$$$^$9!#(B
<P>
<P>
<HR>
<A HREF="Ethernet-HOWTO-7.html">$B<!$N%Z!<%8(B</A>
<A HREF="Ethernet-HOWTO-5.html">$BA0$N%Z!<%8(B</A>
<A HREF="Ethernet-HOWTO.html#toc6">$BL\<!$X(B</A>
</BODY>
</HTML>
