[mythtv-users] RCA DRD222RD

[Jeff Hellzen]

On 5/3/06, Brett Swaim <kf6zql at gmail.com> wrote:
> Hey all,
>
> Is anyone using the RCA DRD222RD with their mythtv via the home control
> port? I just got it, and I want to set it up. Here is the lowdown on my
> setup:
>
> P4 3.2 ghz
> 750 GB hdd
> 2 GB ram
> PVR-250
>
> I have a working remote, I have tried a few scripts, and one outputs things
> like cancel OSD and stuff, but the channel doesn't change when I run
> channel.pl 100
>
> My serial port is com1 in the bios, I was using /dev/ttyS0 but I'm not sure
> if that is right. I know a fair amount about linux, but when it comes to
> hardware I/O I'm lost. I also have a Actisys ir-200l that I was trying to
> setup but never got working, which is why I got the new box.
>
> I have done a lot of googleing and searching through this forum to find a
> nice step by step guide, but I haven't found anything that has worked for
> me. If wanted, I would be more than happy to setup vnc server or give ssh
> access if anyone wishes to take a direct peek at what is going on, but I
> really want to know how to do this myself.
>
> So, what I'm looking for is a way to go from a fresh Knoppmyth install to
> having mythtv change the channels on my box. Is there any way to set test
> data to the com port or something to make sure that is at least working?
> Like I said before, nothing happens on the box when I run the script
>
> Thank you, Brett
>
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>
>

Looking at DirecTV's web site, it looks like the 222 does not have a
low speed data port that you need to send it serial commands.  The
RJ-11 on the back seems to be for an X-10 type home automation
product.  You need something like the DRD420 (and several others -
435, etc.)