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| Topic: | Can we RS-232 control any DirecTV box with the USB port? This thread has 24 replies. Displaying posts 16 through 25. |
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| Post 16 made on Tuesday May 19, 2009 at 18:53 |
MacrossZero Active Member |
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Posts: | March 2009
594 |
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On May 18, 2009 at 21:42, Brad Humphrey said...
It may also be that he has burned out a bunch of USB ports on DirecTV receivers. Many of those 'USB Fan coolers' draw a lot of power, causing problems even for some laptops, etc... And he's hooking this up to a CE device, that was NEVER meant to have such a thing attached.
Some advice Mr. MacrossZero: You may or may not be burning out USB ports on DirecTV receivers, but shouldn't you be using the 'proper' product for this application anyway = Active Thermal Management, Cool Components, Middle Atlantic, etc... Yes, they are a lot more expensive but it's the proper product. If you still want to hack something together, at least use a USB power supply to power the cooler, not the port on the DirecTV receiver. Somtimes you have to make lemonade with lemons. I was referring to the HR-20 units. Since only DirecTV sells such equipment, I cannot warranty said product. We use ATM, and have had no issues with this product, however I did use a Belkin Laptop cooler before the HR-20 units had the usb ports disabled via a software update.
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Do or Do not, There is no Try. |
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| Post 17 made on Tuesday May 19, 2009 at 20:33 |
Bubby Advanced Member |
Joined:
Posts: | July 2007
942 |
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On May 19, 2009 at 18:49, MacrossZero said...
BTW the usb on The HR-20 is the one that I would use, because the first generation of HD-DVR from DirecTV did not have a fan in it, and would overheat even in a well ventilated installation location. The HR-21 has a fan inside, and larger standoffs on the bottom. The HR20 most certainly has a fan in it. HR20-700:  HR20-100:  The larger stand-offs on the HR21 problably don't do much as the HR21 vents out the sides and back depending on model.
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| Post 18 made on Wednesday May 20, 2009 at 01:36 |
MacrossZero Active Member |
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Posts: | March 2009
594 |
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The pictures that you posted are from a newer HR20-700 not the original Silver HR-20 units. The first generation HR20 units did not have the foam standoffs or the fan on the bottom, ran really hot, and we replaced all of them that were installed by DirecTV with RMA units that were like the pictures that you posted above.
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Do or Do not, There is no Try. |
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| Post 19 made on Wednesday May 20, 2009 at 08:06 |
Bubby Advanced Member |
Joined:
Posts: | July 2007
942 |
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On May 20, 2009 at 01:36, MacrossZero said...
The pictures that you posted are from a newer HR20-700 not the original Silver HR-20 units. Nope. They were pictures from Earl Bonovich's initial review of his HR20-700 from August 12, 2006. [Link: dbstalk.com]That is about as early as you can get.
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| OP | Post 20 made on Tuesday July 14, 2009 at 23:24 |
davenport Senior Member |
Joined:
Posts: | October 2006
1,361 |
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I have a HR20-700 that I can't get to control via the USB. I'm having no problem with the H20 and H23-600. Do I need to enable the USB port somehow on the HR20-700?
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| Post 21 made on Tuesday July 14, 2009 at 23:34 |
edizzle Loyal Member |
Joined:
Posts: | March 2005
5,916 |
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with most of the directv boxes you need to do red button reset after connecting usb/serial adapter. hope this helps.
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I love supporting product that supports me! |
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| Post 22 made on Tuesday July 14, 2009 at 23:41 |
cma Super Member |
Joined:
Posts: | August 2003
3,044 |
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On May 18, 2009 at 23:29, edizzle said...
i control almost every directv receiver we use exclusively with the guc232a from iogear. it has never failed. way way early on they changed the baud rate on the h series boxes without informing anyone from 115,200 to 9,600 bps. this was literaly months after they announced you could even control the boxes probably two years ago at least. also i use the guc232a for EVERYTHING, crestron, lutron, nuvo, universal, it has never failed. Same here.. no problems with the IOGear and DirecTV boxes ever..
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| OP | Post 23 made on Tuesday July 14, 2009 at 23:58 |
davenport Senior Member |
Joined:
Posts: | October 2006
1,361 |
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On July 14, 2009 at 23:34, edizzle said...
with most of the directv boxes you need to do red button reset after connecting usb/serial adapter. hope this helps. I knew that! urgh, long day. The other two worked without the reset so I didn't think about it. Thank you, it worked! ..now I get to go home.
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| Post 24 made on Wednesday July 15, 2009 at 00:21 |
edizzle Loyal Member |
Joined:
Posts: | March 2005
5,916 |
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damn i should have had you paypal me first!
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I love supporting product that supports me! |
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| Post 25 made on Wednesday July 15, 2009 at 07:24 |
Mr. Burns Long Time Member |
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RS-232 works great! But you will need to plug in the adaptor then reboot the receiver. Library is built in RTI and we have sourced the USB to DB9 Serial Adapter for $12 and the mini type female NULL modem adaptor for $2.
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The least expensive short term solution usually turns out to be the most expensive long term solution. |
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