--- In "" <> 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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