[mythtv-users] Directv with usb 2 serial adapters

[Nick Rout]

Tim Litwiller wrote:
> I need help from someone who has done this before.
>
> This might be more a linux question than mythtv question but it 
> relates to my mythtv setup
>
> I am running fedora core 6
> with 2 directv D12-300 STB's
>
> I followed the wiki and got usb to serial adapter cord and nul modem 
> cables that are the same chip as the recommended and I don't get the 
> /dev/ttyUSB* device when I plug them in.
>
> So I enabled the 1 serial port on the mother board - and tried that, 
> but I am guessing that I need to specify somewhere the speed to 
> communicate thru the port.
>
> Is anyone here willing to  step me thru diagnosing why the usb-> 
> serial(rs232) ports to initialize correctly? and the see if we can get 
> the directv.pl script to make the STB respond?

I guess the first step is to run dmesg, then plug the device in and run 
dmesg again to see if the kernel is recognising them.

lsmod and lsusb are also your friends.