[mythtv-users] How to send AND receive lirc with RCA DirecTV?

[Joe Buehl]

I am using a direct serial connection to my RCA box
and this script for changing channels
http://tarek.2y.net/myth/.  Works great and I didn't
have to mess with lirc.

--- Dave Smith <magellan94 at hotmail.com> wrote:
> Hello. I have an RCA DirecTV receiver that I'd like
> to use with MythTV. I have MythTV configured to
> receive signal from my TV tuner card (ATI TV
> Wonder). Now I need to configure MythTV to send
> channel change signals to my DirecTV receiver and
> receive commands from a remote control. I read the
> documentation for configuring lirc for use with an
> IR blaster
>
(http://www.mythtv.org/docs/mythtv-HOWTO-8.html#ss8.7),
> but I have a few questions before I purchase the
> necessary cables and equipment. 
> 
> SnapStream advertises a serial cable for use with
> RCA receivers. My RCA receiver is included in the
> list of compatible models. Will this cable work with
> MythTV & lirc?
> http://store.snapstream.com/dicaparre.html
> 
> This cable will enable MythTV to send signals to the
> DirecTV box; will the cable also allow MythTV to get
> remote control signals received by the DirecTV box?
> In other words, does the IR Blaster cable
> communicate both ways -- remote control from DirecTV
> and channel changes from MythTV -- or do I need an
> additional IR receiver for MythTV to get signals
> from a remote control? I suspect that I need both --
> an IR receiver for the remote, and an IR blaster
> cable to send channel changes to the DirecTV box.
> What can I use to receive IR signals if my serial
> port connection is taken by the IR blaster cable? Is
> there an inexpensive USB IR receiver that works with
> lirc?
> 
> What am I missing? Do I need anything else to get
> MythTV working with my DirecTV receiver?
> 
> Thanks, 
> Dave>
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