On Sat, Sep 5, 2009 at 3:33 PM, naturalwatt<> wrote:
>
>
> --- In "tachion0niohcat" <> wrote:
>>
>> We have a TS7260 board, which has 3 com ports (COM1, COM2, COM3). We have
>> successfully used the COM1 port for the console and it works great. We would
>> like to talk with some scientific equipment over the other COM ports,
>> however this has been unsuccessful.
>>
>> From the manual it is not clear wether the COM2 and COM3 are RS-232 or
>> wether these are RS-485 COM ports. It seems the latter, but I am not 100%
>> sure.
>>
>> Could someone confirm what type of serial ports these are?
>>
>> Thank you much!
>>
>
> Unless you ordered them as RS485, they are RS232. The COM2 is exactly the
> same as COM1, but COM3 is different and cannot run at the same low speeds as
> COM2. I can't recall the exact speed, but I needed to run at 300 baud which
> won't work on COM3. There may be some flow-control difference between COM3
> and COM2 as well.
>
> If you want to log in using COM2 and COM3, check there's a getty entry in
> /etc/inittab. If you want to use the ports for your own programs, make sure
> there isn't.
>
> I'm pretty sure the device names are /dev/ttyAM0, ttyAM1 and ttyAM2.
>
> Martin
>
Right except for COM3 which is ttyTS0. Aparently ttyAM2 exists, but
there is no hardware interface... it's probably being used for
something else.
------------------------------------
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/ts-7000/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/ts-7000/join
(Yahoo! ID required)
<*> To change settings via email:
<*> To unsubscribe from this group, send an email to:
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|