dty? cu?

[Derick Centeno]

Hi Andy:
In general, these kind of adaptors allow older devices to appear as 
though they were usb devices.  The attached device shows up, if the 
connections are done correctly, as one usb device among other usb 
devices.  You didn't explain which device you are discussing connecting 
on the rs232 end.

Keep in mind that the rs232 device will be exclusively accessible 
through the usb port and any Linux distribution -- including YDL -- 
will therefore use available usb utilities or protocols to access and 
control this device, as a usb device.  Depending upon what the device 
actually is and what it's original function was, it may not be possible 
for it to function as fully as it did when it was communicating with 
other rs232 devices years ago.  The link I provided below could provide 
some background regarding why.  The simplest explanation is that usb 
design and rs232 design implement different ideas regarding how devices 
function and communicate with one another.

You may find this reference addressing usb and rs232 technologies 
informative, so here is a link providing potentially useful 
information:

http://www.beyondlogic.org/usb/otghost.htm

Best of Luck....

On Jun 23, 2006, at 4:32 AM, Andrew Ball wrote:

>
> Hello,
>
> I'm new to Linux. I just plugged a USB->RS232 serial adaptor
> into my aging Apple iBook with YDL and with the help of
> dmesg found out that it became ttyUSB0.  I see that in /dev
> but I don't see a corresponding dtyUSB0 to use for outgoing
> connections.  I also can't find "cu", which is what I'm
> accustomed to using to connect to serial things.  Can I add
> this as a package?
>
> Thanks,
>   - Andy Ball
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