[mythtv-users] Satellite TV and MythTV, getting started
john
jppoet at gmail.com
Fri Jan 23 17:35:08 UTC 2009
On Jan 23, 2009, at 9:54 AM, David George wrote:
> On 1/23/2009 11:16 AM, David Asher wrote:
>>> ...I thought the problem was the DirecTV box, not Linux.
>>>
>>
>> I don't think that is correct. Most (all?) of the directv receivers
>> work with serial channel changing scripts, but the trick is to get
>> the
>> serial output from MBs which only have USB. The chipset used in the
>> usb->serial converters that was compatible with linux has started to
>> disappear, so finding a source with the correct chipset has become
>> difficult. The MythTV wiki has a page on it:
>> http://www.mythtv.org/wiki/Controlling_DirecTV_Set_Top_Box_(STB)_via_USB_or_Serial
>>
>> Again, this is just what my research has told me, I have not tried
>> any
>> of this yet. (Though I did buy 2 of those adapters in preparation to
>> getting 2 directv HD receivers and a HD-PVR and a PVR-150).
>>
>
> This is incorrect. Linux supports a lot of USB serial interface
> chips. It is the Directv box that only supports the pl2303 chip.
> Several of us have tried many different serial cables. So far it
> appears Directv only supports the original pl2303 (as of March 2008
> anyway).
David is correct.
In doing a search, I came across:
http://cgi.ebay.com/PL2303-ADAPTER-CABLE-SERIAL-DB9-PIN-TO-USB-RS232-A06_W0QQitemZ380096172717QQcmdZViewItem
Which claims to be pl2303. The specifications seem to back this up,
since it lists usb 1.1. I seem to remember the pl2303x as usb 2.0
(but my memory may be faulty).
John
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