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From: vjs@rhyolite.wpd.sgi.com (Vernon Schryver)
Newsgroups: comp.sys.sgi
Subject: Re: serial line again
Message-ID: <99162@sgi.sgi.com>
Date: 24 Apr 91 02:21:10 GMT
References: <9104231740.AA22383@slic.cellbio.duke.edu>
Sender: guest@sgi.sgi.com
Organization: Silicon Graphics, Inc., Mountain View, CA
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In article <9104231740.AA22383@slic.cellbio.duke.edu>, jit@slic.cellbio.duke.edu (Jit Keong Tan) writes:
> 
> Does anyone know what are the differences/limitations between
> the different /dev/tty???'s ?
> Specifically, where is the documentation that explains
> each one of them.  Hopefully there is only one document that
> briefly covers the functions of each tty??.


ttyd* is a standard 3 wire DTE:			RD,TD,SG
ttym* is a normal 5 wire, "modem control" port: RD,TD,SG,DCD,DTR
ttyf* is a "hardware flow control" port:	RD,TD,SG,DCD,DTR,RTS,CTS

Read Chapter 10 of "IRIX System Administrator's Guide", document
number 007-0606-030.



Vernon Schryver,  vjs@sgi.com