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<H2><A NAME="flow_control"></A> <A NAME="s10">10.</A> <A HREF="Text-Terminal-HOWTO.html#toc10">$B%U%m!<@)8f(B ($B%O%s%I%7%'%$%/(B)</A></H2>

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<H2><A NAME="ss10.1">10.1</A> <A HREF="Text-Terminal-HOWTO.html#toc10.1">$B%U%m!<@)8f$,$J$<I,MW$+(B ?</A>
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<H2><A NAME="padding"></A> <A NAME="ss10.2">10.2</A> <A HREF="Text-Terminal-HOWTO.html#toc10.2">$B%Q%G%#%s%0(B</A>
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<H2><A NAME="ss10.3">10.3</A> <A HREF="Text-Terminal-HOWTO.html#toc10.3">$B%7%j%"%k%]!<%H$N%*!<%P%i%s(B</A>
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<H2><A NAME="ss10.4">10.4</A> <A HREF="Text-Terminal-HOWTO.html#toc10.4">$BAw?.Dd;_(B</A>
</H2>

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<H2><A NAME="keybrd_lock"></A> <A NAME="ss10.5">10.5</A> <A HREF="Text-Terminal-HOWTO.html#toc10.5">$B%-!<%\!<%I%m%C%/(B</A>
</H2>

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<H2><A NAME="ss10.6">10.6</A> <A HREF="Text-Terminal-HOWTO.html#toc10.6">$BAw?.:F3+(B</A>
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<H2><A NAME="hdw_flow_control"></A> <A NAME="ss10.7">10.7</A> <A HREF="Text-Terminal-HOWTO.html#toc10.7">$B%O!<%I%&%'%"%U%m!<@)8f(B (RTS/CTS $BEy(B)</A>
</H2>

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<A HREF="Text-Terminal-HOWTO-11.html#null_modem_pinout">$BI8=`E*$J%L%k%b%G%`%1!<%V%k$N%T%sG[CV(B</A>$B$r(B
$B$4Mw$/$@$5$$!#$+$J$j%]%T%e%i!<$K;H$o$l$k%T%s$K(B DTR $B%T%s(B ($B$^$?$O!"(B DTR 
$B%T%s$H(B DSR $B%T%s$NN>J}(B) $B$,$"$j$^$9!#(B</P>

<H3>RTS/CTS, DTR $B$=$7$F(B DTR/DSR $B%U%m!<@)8f(B</H3>

<P>Linux PC $B$O(B RTS/CTS $B%U%m!<@)8f$r;H$$$^$9$,!"(BDTR/DSR $B%U%m!<@)8f(B ($B$$$/$D(B
$B$+$NC<Kv$G;H$o$l$k(B) $B$bF1$8F/$-$G$9!#(BDTR $B%U%m!<@)8f$G$O(B DTR/DSR $B%U%m!<(B
$B@)8f$N(B DTR $BItJ,$@$1$H$J$j$^$9!#(B</P>
<P>RTS/CTS $B$O!"%7%j%"%k%3%M%/%?(B (EIA-232) $B$N(B RTS $B%T%s$H(B CTS $B%T%s$r;HMQ$7(B
$B$^$9!#(B RTS $B$O(B ``$BAw?.MW5a(B (Request To Send)'' $B$r0UL#$7$^$9!#<u?.B&$G%T%s$N(B
$B>uBV$,9NDj(B($B@5EE05(B) $B$G$"$k;~!"!V$3$C$A$KAw$C$F$b$$$$$h!W$H$$$&0UL#$G$9!#(B
$B$b$7(B RTS $B$,H]Dj(B ($BIiEE05(B) $B$J$i!"$=$l$O(B ``$BAw?.MW5a(B (Request To Send)'' $B$r(B
$BH]Dj$9$k$3$H$G$"$j!"!V$3$C$A$KAw$i$J$$$G(B ($BAw?.Dd;_(B)$B!W$H$$$&0UL#$K$J$j(B
$B$^$9!#<u?.B&$G<u?.=`Hw2DG=$H$J$C$?$i!"Aw?.:F3+$rB>J}$XMW5a$9$k$Y$/(B RTS
$B$r9NDj(B ($B@5EE05(B) $B$K$7$^$9!#%3%s%T%e!<%?$HC<Kv$G(B ($BN>J}6&(B DTE $B%?%$%W$NAu(B
$BCV(B)$B!"(BRTS $B%T%s$O%1!<%V%k$NH?BPB&$N(B CTS $B%T%s(B (Clear To Send) $B$K%U%m!<@)(B
$B8f?.9f$rAw$j$^$9!#$9$J$o$A!"%1!<%V%k$N0lJ}$N(B RTS $B%T%s$O$b$&0lJ}$N(B CTS 
$B%T%s$K@\B3$5$l$k$N$G$9!#(B</P>
<P>$B%b%G%`(B (DCE $BAuCV(B) $B$N>l9g$O!"(BRTS $B%T%s$,?.9f$r<u?.$7!"(BCTS $B%T%s$OAw?.$9$k(B
$B$N$G!"$^$?0c$&$d$jJ}$H$J$j$^$9!#$3$l$K$D$$$FJ6$i$o$7$/;W$o$l$k$+$b$7$l(B
$B$^$;$s$,!"$3$3$G$N5DO@$NI,MW$,$J$$$[$INr;KE*$K@5Ev$JM}M3$,$"$k$N$G$9!#(B</P>
<P>$BC<Kv$OIaDL!"(BDTR $B$+(B DTR/DSR $B$N$I$A$i$+$N%U%m!<@)8f$r;H$$$^$9!#(B DTR $B%U%m(B
$B!<@)8f$O(B DTR/DSR $B%U%m!<@)8f$HF1$8$G$9$,!"0lJ}8~$N$_$G!"(BDSR $B%T%s$O;H$o(B
$B$l$^$;$s!#C<Kv$G$N(B DTR/DSR $B%U%m!<@)8f$G$O!"(BDTR $B?.9f$O(B RTS $B%T%s$+$iAw$i(B
$B$l$k?.9f$N$h$&$G$"$j!"(BDSR $B%T%s$O(B CTS $B%T%s$N$h$&$JF/$-$G$9!#(B</P>

<H3>DTR $B$+(B DTR/DSR $B%U%m!<@)8f$G@\B3(B</H3>

<P>$BC<Kv$N4v$D$+$O(B DTR $B%U%m!<@)8f$@$1$r;H$$$^$9!#$3$l$O!"C<Kv$N%*!<%P%i%s(B
$B$rKI$00lJ}8~$N%U%m!<@)8f$K$9$.$^$;$s!#C/$+$,!"%3%s%T%e!<%?$,07$($k0J>e(B
$B$KB.$/%?%$%W$72a$.$k$H!"%3%s%T%e!<%?$r<i$l$J$/$J$j$^$9!#I8=`E*$J%L%k%b(B
$B%G%`%1!<%V%k$G$O!"C<KvB&$N(B DTR $B%T%s$r%3%s%T%e!<%?B&$N(B DSR $B%T%s$K@\B3$7(B
$B$^$9$,!"(BLinux $B$G$O(B DTR/DSR $B%U%m!<@)8f$O%5%]!<%H$7$F$$$^$;$s(B ($B%^%k%A%](B
$B!<%H%\!<%I$N%I%i%$%P$,(B DTR/DSR $B%U%m!<@)8f$r%5%]!<%H$7$F$$$k$+$b$7$l$^(B
$B$;$s(B)$B!#$3$NLdBj$N1*2s:v$O!"C<KvB&$N(B DTR $B%T%s$H%3%s%T%e!<%?B&$N(B CTS $B%T(B
$B%s$H$r@\B3$7$F!"(B RTS/CTS $B%U%m!<@)8f$r%;%C%H$9$k(B (stty crtscts) $B$3$H$G(B
$B$9!#$J$s$i1F6A$r<u$1$J$$M#0l$NJ}K!$r$H$l$P!"%[%9%H$O9??e$N$h$&$J%?%$%W(B
$B$+$iLH$l$k$7!"%-!<%\!<%I$r%m%C%/$9$k$?$a$K(B RTS $B$rMn$9$h$&$JL5BL$J;n$_(B
$B$b$7$J$/$F$h$$$G$7$g$&!#(B
<A HREF="#keybrd_lock">$B%-!<%\!<%I%m%C%/(B</A> $B$r$4Mw$/$@$5$$!#(BDTR/DSR $B%U%m(B
$B!<@)8f(B ($BC<Kv$,(B 2 $BJ}8~$N%U%m!<@)8f$r%5%]!<%H$7$F$$$k$J$i(B) $B$G>e5-$N$h$&(B
$B$J$3$H$r$9$k$K$O!"C<Kv$N(B DSR $B%T%s$r%3%s%T%e!<%?$N(B RTS $B%T%s$K@\B3$7$^$9!#(B</P>

<H3>$B8E$$(B RTS/CTS $B%O%s%I%7%'%$%/$O0[$J$k(B</H3>

<P>$B:.Mp$9$k$N$O!"(BRTS $B$N$=$b$=$b$N;H$$J}$K$O>e5-$G@bL@$7$?$N$HH?BP$N0UL#$,(B
$B$"$k$3$H$G$9!#%*%j%8%J%k$N0UL#$O!VAw?.MW5a!W$G!"Aw?.MW5a$O!"C<Kv(B ($B$^$?(B
$B$O!"%3%s%T%e!<%?(B) $B$+$i%b%G%`$KAw$i$l$^$9!#MW5a$r5v2D$9$k$J$i!"!VAw?.MW(B
$B5a$r3NG'$7$^$7$?(B (Cleared To Send)$B!W$H$N0UL#$G(B CTS $B$r9NDj$7$F%3%s%T%e(B
$B!<%?B&$N(B CTS $B%T%s$KAw$jJV$7$^$9!#:G6a$N(B RTS/CTS $BAPJ}8~%U%m!<$HHf3S$9$k(B
$B$H!"%3%s%T%e!<%?(B ($B$d!"C<Kv(B) $B$+$i%b%G%`$X$NC1J}8~$N%U%m!<$KBP$9$kJ]8n$G(B
$B$7$+$"$j$^$;$s!#(B</P>
<P>$B8E$$C<Kv$G$N(B RTS $B$K$O$3$s$J0UL#$,$"$j!"C<Kv$,%G!<%?$rAw?.$9$k;~$K@5EE(B
$B05$r$+$1$^$9!#>e5-$N;H$$J}$,%U%m!<@)8f$NJ}<0$N0l$D$G$9$+$i!"%b%G%`$,%3(B
$B%s%T%e!<%?$KAw?.$rDd;_$7$F$[$7$$>l9g$O!"(BCTS ($B%3%s%T%e!<%?B&$N(B CTS $B$K@\(B
$BB3(B) $B?.9f$rMn$9$H!"%3%s%T%e!<%?$,Aw?.$r;_$a$^$9!#(B</P>

<H3>$B%j%P!<%9%A%c%M%k(B</H3>

<P>$B8E$$%O!<%I%3%T!<C<Kv$K$O%j%P!<%9%A%c%M%k%T%s(B (19$BHV%T%s$N$h$&$J(B) $B$,$"$j!"(B
$B$3$l$O(B RTS/CTS $B%U%m!<@)8f$G$N(B RTS $B%T%s$N$h$&$JF/$-$G$9!#$3$NC<;R$O!";f(B
$B$d%j%\%s$,$J$/$J$C$?;~$K$bH]Dj$K$J$j$^$9!#$3$N%T%s$O$^$?!"%[%9%H%3%s%T(B
$B%e!<%?$N(B CTS $B%T%s$H$b@\B3$7$?$j$7$^$9!#?.9f6K@-$rJQ$($k%G%#%C%W%9%$%C(B
$B%A$,$"$k$+$b$7$l$^$;$s!#(B</P>

<H2><A NAME="ss10.8">10.8</A> <A HREF="Text-Terminal-HOWTO.html#toc10.8">$B%O!<%I%&%'%"%U%m!<@)8f$O%O!<%IE*$K$J$5$l$k$+!)(B</A>
</H2>

<P>$B0lIt$N?M$O!"%O!<%I%&%'%"%U%m!<@)8f$O%O!<%IE*$K$J$5$l$F$$$k$H9M$($F$$$^(B
$B$9(B ($BJ#?t$N%]!<%H$rHw$($?%$%s%F%j%8%'%s%H%7%j%"%k%+!<%I$r;H$C$F$J$$>l(B
$B9g(B)$B$,!"<B:]$O%*%Z%l!<%F%#%s%0%7%9%F%`$,9T$C$F$$$k$N$G$9!#(BUART $B%A%C%W$H(B
$B4XO"$N%O!<%I%&%'%"$O!"%O!<%I%&%'%"%U%m!<@)8f$K$D$$$F2?$bCN$j$^$;$s$+$i!#(B
$B%O!<%I%&%'%"%U%m!<?.9f$r<u?.$9$k$H!"?.9f@~$N6K@-$,JQ$j!"%O!<%I%&%'%"$O(B
$BEE5$E*$J3d$j9~$_$r(B CPU $B$KM?$($^$9!#$7$+$7!"%O!<%I%&%'%"<+BN$O3d$j9~$_(B
$B$N0UL#$K$D$$$F4XCN$7$^$;$s!#(BCPU $B$O2?$r$7$F$$$h$&$,Dd;_$7$F!"%a%$%s%a%b(B
$B%jFb$N3d$j9~$_%F!<%V%k$N$"$k>l=j$X%8%c%s%W$7!"$=$3$G3d$j9~$_%W%m%0%i%`(B
$B$N>l=j$rCN$j$^$9!#$3$N%W%m%0%i%`$O!"$J$K$,5/$3$j2?$r$9$l$P$h$$$+$rCN$C(B
$B$F$$$^$9!#(B</P>
<P>$BJL$J<jCJ$G<BAu$5$l$F$$$k$N$O!"6K@-$,JQ$C$?$H$-$K(B CPU $B$KEE5$E*$J3d$j9~(B
$B$_?.9f$rAw$kJ}K!$G$9!#$=$l$,H/@8$7$?$i(B CPU $B$O8=:_$N:n6H$r0l;~CfCG$7!"(B
$B%7%j%"%k%I%i%$%P$N%5!<%S%9%k!<%A%s$X=hM}$,0\$j!"2?$,5/$C$?$+$rCN$k$?$a(B
$B$K%7%j%"%k%O!<%I%&%'%"$N%l%8%9%?$rD4$Y$^$9!#$=$N%5!<%S%9%k!<%A%s$N=hM}(B
$B$,=*N;$7$?8e$O!"%U%m!<$r:FAw=P$7$J$$$h$&$K;XNa$7$^$9!#$3$A$i$NJ}K!$N$[(B
$B$&$,$$$/$i$+8zN(E*$G$9$,!"(BLinux $B$G$O$3$N$h$&$K$7$F$$$^$;$s!#;d$O0l;~!"(B
Linux $B$G$O$=$&$7$F$$$k$H;W$C$F$$$^$7$?!#(B</P>
<P>$B$I$A$i$NJ}K!$G$b%P%$%H$NN.$l$,$[$\B(:B$K;_$k$3$H$KCm0U$7$F$/$@$5$$!#$7(B
$B$+$7!"%7%j%"%k%]!<%H$N%O!<%I%&%'%"Aw?.%P%C%U%!Fb$K$9$G$K$"$k%P%$%H(B ($B:G(B
$BBg(B 16 $B%P%$%H(B) $B$OAw$jB3$1$i$l$k$G$7$g$&!#%=%U%H%&%'%"%U%m!<@)8f$r;H$&$J(B
$B$i!"<u?.%G!<%?$K(B ``$B%*%U(B'' $B%P%$%H$,$"$k$+%A%'%C%/$9$kI,MW$,$"$j$^$9!#$3(B
$B$l$i$N%P%$%H$,(B 16 $B%P%$%H$N<u?.%P%C%U%!$rDL$k$3$H$GCY1d$,@8$8$^$9!#(B``$B%*(B
$B%U(B'' $B%P%$%H$,$3$N%P%C%U%!$N:G=i$K$"$C$F$b!"(B15 $B0J>e$N%P%$%H$r<u?.$7$F$$(B
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<H2><A NAME="ss10.9">10.9</A> <A HREF="Text-Terminal-HOWTO.html#toc10.9">ETX/ACK $B$d(B ENQ/ACK $B%U%m!<@)8f$O$b$O$dGQ$l$+$1$F$k(B ??</A>
</H2>

<P>$B$3$l$b%=%U%H%&%'%"%U%m!<@)8f$G!"$=$l$,$G$-$k%G%P%$%9%I%i%$%P$,I,MW$G$9!#(B
$B%P%$%H$O%Q%1%C%H$H$7$FAw$i$l(B ($BHsF14|%7%j%"%k%]!<%H$r7PM3$7$F(B)$B!"3F%Q%1(B
$B%C%H$N=*C<$K$O(B ETX (End of Text) $B@)8f%3!<%I$,$"$j$^$9!#C<Kv$,(B ETX $B$r<u(B
$B?.$7$?$i!"<!$N%Q%1%C%H$r<u?.$9$k=`Hw$,$G$-$k$^$GBT$A!"$=$l$+$i(B ACK(Ack
nowledge) $B$rJV$7$^$9!#%3%s%T%e!<%?$O(B ACK $B$r<u?.$9$k$H!"<!$N%Q%1%C%H$r(B
$BAw$j$^$9!#0J>e$N$3$H$r7+$jJV$7$^$9!#$3$l$O(B Linux $B$G$O%5%]!<%H$5$l$F$$(B
$B$J$$$N$G$7$g$&$+(B ?? HP $B$NC<Kv$G$O(B ENQ $B$NBe$j$K(B ETX $B$r;H$C$FF1$8$3$H$r(B
$B$7$^$9!#(B</P>

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