[mythtv-users] Serial control specs

Itai Tavor itai at iinet.net.au
Sun Nov 23 20:30:29 EST 2003


On 24/11/2003, at 4:01 AM, Jim Paris wrote:

>> specs on the serial input in cable boxes... The TIVO and many other
>> PVR's use a 2-line jack for serial control - does that mean that all I
>> need is to output TxD and ground? Do all cable boxes use standard 
>> RS232
>> levels?
>
> The DCT2000 series needs RxD to work fully, although you can get
> around that if you're willing to give up lots of features and
> reliability and just send commands blindly without seeing the
> response.
>
> -jim

Thanks! I'll use a stereo jack so I can connect both TxD and RxD.



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