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From: "Koji Uchiyama" <uchiyama@hitechs.co.jp>
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Subject: [FreeBSD-users-jp 56555] "3 wire RS-232"
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$BFb;3$G$9(B


src/libexec/getty/ $B$G(B gettytab.5, gettytab.h, init.c, main.c $B$r(B
cvs log $B$9$k$H=P$F$/$k(B

>date: 2000/07/31 23:47:57;  author: nsayer;  state: Exp;  lines: +2 -1
>Add 'nc' flag to gettytab -- no carrier. Forces non-blocking open and
>setting of CLOCAL. Necessary for 3 wire RS-232 setups with dumb
>terminals.
>
>PR:             5959

>date: 2000/08/07 11:18:14;  author: ps;  state: Exp;  lines: +4 -3
>MFC: Add 'nc' flag to gettytab -- no carrier.

$B$H$+$$$&(B log $B$N(B "3 wire RS-232 setups with dumb terminals" $B$H$$$&$N$O(B

    TxD 2 -------- 3 RxD
    RxD 3 -------- 2 TxD
    SG  7 -------- 7 SG

DB9 $B$J$i(B

    TxD 3 -------- 2 RxD
    RxD 2 -------- 3 TxD
    SG  5 -------- 5 SG

$B$H$$$&7k@~$G$$$$$s$G$7$g$&$+!)(B

'nc' $B$r;H$($P%$%s%?!<%j%s%/MQ$N%7%j%"%k%1!<%V%k$G$b(B
$B0B?4$7$F(B /dev/ttydX $B$G(B getty $B$r;H$($k$N$G$9$M!#(B

$B%T%sHV9f$HL>>N$O0J2<$r;2>H$7$^$7$?!#(B

    http://www.jp.freebsd.org/www.FreeBSD.org/ja/handbook/term.html
    http://www.jp.freebsd.org/www.FreeBSD.org/ja/handbook/hw-io.html

--
Koji Uchiyama <uchiyama@hitechs.co.jp>
Hitechs Inc.


