[mythtv-users] Firewire channel changing for Cisco RNG150?

Patrick Archibald patrick.archibald at gmail.com
Wed Jul 7 20:11:46 UTC 2010

On Wed, Jul 7, 2010 at 4:03 PM, Christian Szpilfogel
<chrisznews4 at rogers.com> wrote:
> On 06/07/2010 5:41 PM, Christopher Meredith wrote:
>> Apparently Comcast is replacing the SA3250HD boxes with a
>> Cisco-branded box carrying the model number RNG-150. There's an entry
>> for this box in the wiki on the Firewire Cable Boxes page but it only
>> specifies how to set this device up as a source (which works, by the
>> way). Unfortunately, I can't figure out how to get firewire channel
>> changing to work. Does anyone know whether this is currently possible
>> with this box?
> If it is Cisco then it is almost certainly Scientific Atlanta based code so my guess is you will need to find one of the SA methods to make this work. The SA boxes have implemented channel changing in many ways and I think the most recent releases require both a button press and a button release (-f 5). The most complete version of the SA methods I have seen can be found at:
> https://wiki.ubuntu.com/majoridiot?action=AttachFile&do=view&target=mythchanger.10f.beta.tar <https://wiki.ubuntu.com/majoridiot?action=AttachFile&do=view&target=mythchanger.10f.beta.tar>
> experiment with the -f option until you hopefully get one that works. Please let us know what you determine.
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I installed a Cisco RNG150 the other day. This command works reliably for me:

/usr/bin/mythchanger -f 6 -c

Thanks, PLA

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