Hello,
I have purchased one TS-7553 with the development kit, that includes a cable to
get two serial ports (labelled as A and B) from COM conenctor.
I'm able to communicate through port labelled A, but not from B. To use ports I
have use the xuartctl command, but only works with port A.
what are the steps to get communication capabilities through port B?
thanks,
--- In "" <> wrote:
>
> I will check that out today. Thank you for the tip!
>
> --- In "rian" <rbogle@> 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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