On Mon, 7 Sep 2009, Gonzalo A. de la Vega wrote:
> 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.
>
>
>
On our TS-7260, we don't have any ttyTS? devices, unfortunately.
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