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<TITLE>The Linux Modem-HOWTO : $BIUO?(B B: ``$B%\!<(B'' $B$H(B ``bps''</TITLE>
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<H2><A NAME="s20">20.</A> <A HREF="Modem-HOWTO.html#toc20">$BIUO?(B B: ``$B%\!<(B'' $B$H(B ``bps''</A></H2>
<H2><A NAME="ss20.1">20.1</A> <A HREF="Modem-HOWTO.html#toc20.1">$B4JC1$JNc(B</A>
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<P> $B62$i$/!"%3%s%T%e!<%?$*$h$SEE5$DL?.$NJ,Ln$G!"(B``$B%\!<(B'' $B$H(B ``bps'' $B$O(B
$B:G$b8mMQ$,B?$$C18l$N$R$H$D$G$9!#B?$/$N?M$,$3$N(B 2 $B$D$NC18l$OF1$80UL#$@(B
$B$H9M$($F;H$$$^$9!#$7$+$7!"<B:]$K$O$=$&$G$O$"$j$^$;$s(B! $BC1$K!"(Bbps $B$O(B 1
$BIC4V$KE>Aw$9$k%S%C%H?t$G$9!#%\!<%l!<%H$O(B 1 $BIC4V$K2?2s?.9f$,JQ2=$9$k$+(B
$B$rI=$9<\EY$G$9!#E57?E*$J%7%j%"%k%]!<%H$G$O!"(B1 $B$N%S%C%H$O(B -12 $B%\%k%H$G!"(B
0 $B$N%S%C%H$O(B +12 $B%\%k%H$K$J$j$^$9!#(B38,400bps $B$J$i(B 010101... $B$NO":?$O!"(B
$BEE05$,KhIC(B 38,400 $B2s@5Ii$N4V$r1}I|$9$k$N$G!"(B38,400 $B%\!<$K$J$j$^$9!#$^(B
$B$?!"(B111000111... $B$NO":?$G$O!"O":?Cf$K(B 3 $B$D$N(B 1 $B$,$"$k$N$GEE05$O(B -12 $B%\(B
$B%k%H$KN1$^$C$?$^$^$K$J$k$N$G!"EE05JQ2=$O$h$j>/$J$/$J$k$G$7$g$&!#$3$N>l(B
$B9g$G$b!"(B1 $BIC4V$K(B 38,400 $B2s$NEE05JQ2=$,2DG=$J$N$G!"$d$O$j(B 38,400 $B%\!<$K(B
$B$J$j$^$9!#(B</P>
<P>$BJL$NJ}K!$G9M$($F$_$^$7$g$&!#(B($BEE05$,JQ2=$7$F$$$J$$$H;W$C$F$b(B) $B3F%S%C%H(B
$B$r6h@Z$k2M6u$N5-9f$rCV$$$F$_$F$/$@$5$$!#(B38,400 $B%\!<$O(B 1 $BIC4V$K(B 38,400
$B8D$N5-9f$,CV$1$k$3$H$r0UL#$7$^$9!#JQ2=$G$-$k=V4V$KB8:_$9$k$3$N5-9f$O!"(B
$B<B:]$K%O!<%I%&%'%"$N@8@.$9$kF14|?.9f$,0u$rIU$1$^$9!#$3$NF14|?.9f$O30It(B
$B$K<h$jIU$1$?%1!<%V%k$K$O=P$F$$$-$^$;$s!#(B</P>
<P>$BA0$NNc$G5s$2$?(B($B!^(B12 $B%\%k%H(B) 2 $B<oN`$N!VJQ2=!W$h$j!"EE05$,B?$/$N<oN`$KJQ(B
$B2=$G$-$k>l9g$r9M$($F$_$F$/$@$5$$!#H=JL2DG=$J(B 4 $B<oN`$NEE05$KJQ2=$G$-$k(B
$B$H2>Dj$7$^$7$g$&!#3F!9$NEE05$O(B (01 $B$N$h$&$J(B) 2 $B%S%C%H$rI=8=$G$-$^$9!#(B
$BNc$($P!"(B- 12v $B$O(B 00$B!"(B-6v $B$O(B 01$B!"(B+6v $B$O(B 10$B!"$=$7$F(B +12v $B$,(B 11 $B$rI=$7$^(B
$B$9!#$3$NNc$G$O!"%S%C%H%l!<%H$,%\!<%l!<%H$N(B 2 $BG\$K$J$j$^$9!#KhIC(B 3000
$B2s$NJQ2=$,$=$l$>$l(B 2 $B%S%C%H$r@8@.$9$k$H!"(B6000 bps $B$K$J$j$^$9!#8@$$49$((B
$B$k$H!"(B3000 $B%\!<$,(B 6000 bps $B$K$J$j$^$9!#(B</P>
<H2><A NAME="ss20.2">20.2</A> <A HREF="Modem-HOWTO.html#toc20.2">$B<B:]$NNc(B</A>
</H2>
<P> $B>e$K5s$2$?Nc$OHs>o$K4JC1$G$9!#<B:]$K$O$b$C$HJ#;($G$9$,!"F1$89M$(J}(B
$B$K4p$E$$$F$$$^$9!#(B2400 $B%\!<$GF0:n$7$F$$$k%b%G%`$,!"$I$N$h$&$K$7$F(B
14400 bps ($B$"$k$$$O$=$l0J>e$N(B)$BB.EY$r=P$;$k$N$+!"$3$3$G@bL@$7$^$9!#%b%G(B
$B%`$O(B 1 $B2s$NJQD4(B($BJQ2=(B)$B$GB?$/$N%S%C%H$rId9f2=$9$k$3$H$K$h$j!"%\!<%l!<%H(B
$B$h$j9b$$%S%C%H%l!<%H$r=P$;$^$9!#=>$C$F!"(B1 $B2s$NJQD4$G(B 2 $B%S%C%H$"$k$$$O(B
$B$=$l0J>e$N%S%C%H$rId9f2=$9$k$H!"%S%C%H%l!<%H$O%\!<%l!<%H$NCM$r1[$($^$9!#(B
$B%b%G%`4V$N@\B3B.EY$,(B 14400 bps $B$@$C$?$J$i!"(B2400 $B%\!<$G0l2s$NJQD4$K$D$-(B
6 $B%S%C%H$rAw$C$F$$$^$9!#(B28800 bps $B$G$O!"(B9 bit/$B%\!<(B $B$G(B 3200 $B%\!<$GF0:n(B
$B$7$F$$$^$9!#%\!<$H$$$&C18l$r8mMQ$9$k?M$O!"(B(33.6K $B$H$$$C$?(B)$B%b%G%`B.EY$N(B
$B0UL#$G;H$C$F$$$k$+$b$7$l$^$;$s!#(B</P>
<P>$B0JA0$O%b%G%`$N%S%C%H%l!<%H$O(B 50, 75, 110, 300, 1200, 2400, $B$=$7$F(B 9600
bps $B$G$7$?!#%7%j%"%k%]!<%H$H%b%G%`4V$N%S%C%H%l!<%H$bF1MM$G$7$?!#8=:_!"(B
$B%b%G%`4V$N%S%C%H%l!<%H$O(B 14.4k, 28.8k, 33.6k, $B$=$7$F(B 56k $B$G$9!#$7$+$7!"(B
$B%7%j%"%k%]!<%H$H%b%G%`4V$N%S%C%H%l!<%H$OEy$7$/$O$J$/!"(B19.2k, 38.4k,
57.6k, 115.2k $B$K$J$j$^$9!#(B($B:G9b(B 1/4 $B$N05=L$r9T$&(B) V.42bis $B%G!<%?05=L$G(B
$B%b%G%`$r;HMQ$9$k$H!"(B33.6k $B%b%G%`$G$b(B 115.2kbps $B$KC#$9$k%S%C%H%l!<%H$,(B
$B2DG=$K$J$j$^$9(B(56k $B%b%G%`$G$O(B 230.4kbps $B$,2DG=$K$J$j$^$9(B)$B!#(B</P>
<P>56k $B%b%G%`$r=|$-!"B?$/$N%b%G%`$O(B 2400, 3000 $B$"$k$$$O(B 3200 $B%\!<$GF0:n$7(B
$B$^$9!#2;@<IJ<A$NEEOC2s@~$G$OBS0h$K8B3&$,$"$k$?$a!"(B2400 $B%\!<0J>e$N%\!<(B
$B%l!<%H$r=P$9$N$OFq$7$/!"2s@~IJ<A$,NI$$$H$-$@$1;HMQ$7$^$9!#(B</P>
<P>$B%S%C%H%l!<%H$H%\!<%l!<%H$N:.F1$O$I$N$h$&$K$7$F;O$^$C$?$N$G$7$g$&$+(B?
$B$5$F!"5l<0$NDcB.%b%G%`$,9bB.%b%G%`$H8F$P$l$F$$$?:"$KLa$C$F$_$^$7$g$&!#(B
$B%S%C%H%l!<%H$H%\!<%l!<%H$O<B:]$KEy$7$+$C$?$N$G$9!#(B1 $B%S%C%H$O$R$H$D$N0L(B
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$B$_$s$J(B bps $B$H%\!<$r6hJL$J$/;H$C$F$$$^$7$?!#Nc$($P!"(B300 bps $B$N%b%G%`$O(B
300 $B%\!<$G$7$?!#9bB.%b%G%`$,@$$K=P$?$H$-!"Bg$-$JJQ2=$,$"$j$^$7$?!#%S%C(B
$B%H%l!<%H$,%\!<%l!<%H$r>e2s$C$?$N$G$9!#(B``$B%\!<(B'' $B$OHsF14|EEJs%W%j%s%?$r(B
$BH/L@$7$?(B Emile Baudot $B$5$s$K$A$J$s$GL>IU$1$i$l$^$7$?!#$3$NLdBj$r2r7h$9(B
$B$k$R$H$D$NJ}K!$O!"!V%\!<!W$G$O$J$/!V%7%s%\%k%l!<%H(B($BJQD4B.EY(B)$B!W$r;H$&$3(B
$B$H!"$=$7$F!V%\!<!W$H$$$&C18l$N;HMQ$rHr$1$k$3$H$G$9!#(B</P>
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