I will check that out today. Thank you for the tip!
--- In "rian" <> wrote:
>
>
>
> --- In "dave_gallant@" <dave_gallant@> wrote:
> >
> > I am aware that /dev/ttyS0 is line leveled and needs the TS-9448 to bring
> > up the lines to RS-232 levels, but I am not finding information regarding
> > the external DB9 on the front of the enclosure. I was assuming that
> > /dev/ttyS1 was piped out that DB9, although I am not able to validate that
> > assumption....
> >
> > I am not getting any data out to my standard PC serial port after enabling
> > /dev/ttyS1 in my /etc/inittab for a vt100 shell ( echo "test" > /dev/ttyS1
> > shows nothing either).
> >
> > Anyone have any info I am overlooking?
> >
> > Thanks in advance.
> >
>
> Have a look at
> http://www.embeddedarm.com/about/resource.php?item=437#section3.2
> for a pinout of the db-9 (if its the same as the 7552) which has multiple
> ports multiplexed through it. Looks like XUART0 is pinned out as a minimal
> rs232 (pins 2,3,5) , but you may have to enable it with the xuartctl commands
> see sections 3.1.7 and 2.8.6 of that TS-75xx/7s-4500 guide.
>
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