[Wlug] Multiple RS232 Com Ports...

[Karl Hiramoto]

Mike Frysinger wrote:
> On 5/20/07, Stephen C. Daukas <scd at daukas.com> wrote:
>   
>>  I'm wondering if anyone knows how many RS232 devices a "vanilla" Linux
>> kernel can manage simultaneously.
>>     
>
> there shouldnt be any real limit ... at work, we have ~24 USB<->RS232
> devices hooked up and we use them all simultaneously to interact with
> some hardware
>
>   
>> I'd like to be able to have up to 32
>> going at once, with data taken from each device written to its own file via
>> the standard I/O subsystem.  As far as I know, wouldn't Linux simply fork
>> the appropriate number of driver threads to read as many RS232 ports as are
>> attached with each device's stream written to a "/dev" file?
>>     
>
> i'd be more worried about *what* the devices are and *how* you connect
> your 32 devices to the machine ... making sure linux has proper device
> driver support for it
> -mike
>
>   
Yes, there should be no real limit..  At work i have use multile Edgeport/8  http://www.digi.com/products/usb/edgeport.jsp   devices to have may rs-232 ports  



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