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<blockquote data-quote="caskater4" data-source="post: 508113" data-attributes="member: 96488">Hello all,I'm trying to get channel changing working for my DirecTV H21-200. I'm connecting to the box using a usb-2-serial adapter cable. Using the utility found <a href="http://gbpvr.com/pmwiki/pmwiki.php/Utility/DirecTVChannelControl" target="_blank">here</a> I am able to get full control over the box.My first approach to get it working with MP was to install IRSS. From the IRSS configuration utility I have enabled the Serial IR Blaster plugin and set it to the correct COM port. In TV3BlasterPlugin I go to the STB Setup window, select my card and specify a serial command for my channels with the correct port number. Unfortunately though every time I go to test changing channels I get a &quot;Access denied to COM port&quot; error. Is there something i'm missing here or does the Serial IR Blaster plugin in IRSS just not work?In order to get around this issue it would appear easier if I can just use the utility I found from above which works flawlessly. I've done some searching and discovered a plugin called TV3ExtChannelChanger but I am unable to find where I can download said plugin anywhere on this site or on the net (google search just returns a thread to this forum). Is this in fact the better approach? And where do I get this plugin?Thanks in advance!</blockquote>

[QUOTE="caskater4, post: 508113, member: 96488"] Hello all, I'm trying to get channel changing working for my DirecTV H21-200. I'm connecting to the box using a usb-2-serial adapter cable. Using the utility found [URL="http://gbpvr.com/pmwiki/pmwiki.php/Utility/DirecTVChannelControl"]here[/URL] I am able to get full control over the box. My first approach to get it working with MP was to install IRSS. From the IRSS configuration utility I have enabled the Serial IR Blaster plugin and set it to the correct COM port. In TV3BlasterPlugin I go to the STB Setup window, select my card and specify a serial command for my channels with the correct port number. Unfortunately though every time I go to test changing channels I get a "Access denied to COM port" error. Is there something i'm missing here or does the Serial IR Blaster plugin in IRSS just not work? In order to get around this issue it would appear easier if I can just use the utility I found from above which works flawlessly. I've done some searching and discovered a plugin called TV3ExtChannelChanger but I am unable to find where I can download said plugin anywhere on this site or on the net (google search just returns a thread to this forum). Is this in fact the better approach? And where do I get this plugin? Thanks in advance! [/QUOTE]

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