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Guest Message by DevFuse

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Am-21 Question

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3 replies to this topic

#1 OFFLINE   weadjust



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Joined: May 09, 2008

Posted 15 August 2008 - 07:29 PM

I am new to Directv and have a question regarding the AM-21. I have directv and comcast cable for internet. I still get all the comcast SD channels even though I requested basic cable channel 2 -13. It is cheaper to have basic cable and internet than just internet service only.

I have a hr-21 for my HD tv and two D12 receivers for the bedrooms. On the D12 receivers I have the comcast cable attached to the OTA input. On the D12 I can turn of the power to the D12 and and I recieve comcast channels on the tv.

I received an AM-21 today for the HR-21 and plan to install an OTA attena this weekend so I can recieve locals in HD.

My question is what would happen if I hooked Comcast signal up to the OTA input on the AM-21. The only time I would do this would be to watch football or basketball on CSS (Comcast Sports South) not available on Directv. I guess the easiest answer is watch the game in the bedroom, but I would like to know the answer.


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#2 OFFLINE   Kansas Zephyr

Kansas Zephyr

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Joined: Jun 29, 2007

Posted 15 August 2008 - 07:39 PM

Nothing would happen.

It is not a pass-through, like the D* SD IRDs.

The AM21 will only tune over-the-air digital (ATSC) signals.

The cable has analog (NTSC) or digital (QAM) signals.

Hook the cable directly to the HDTV. Then you can switch between the D* box input (HDMI or Component) and the TV's tuner.
5 LNB Slimline & SWM-16
SWM1 2 HR20s & HR21 via SWS-4 "green label" 4-way splitter w/power pass one leg for PI - SWM2 2 HR20s & HR21 after SWS-4 "green label" 4-way splitter
2 HR20-700 Wireless network for DoD
HR20-700 eSATA Vantec NexStar CX w/ 2TB WD20EVDS
HR21-100/AM21 Wireless network for DoD
With diplexed OTA via an "out" on one SWS-4 4-way splitter, using a Winegard YA 1713 - Channel Master 4228 - Channel Master 7777 in the attic.
Yes, my market has HD LiLs...and I'm still not giving up OTA! No rain-fade, and all sub-channels 24/7/365.
Also, with diplexed Cox Internet on one leg, downstream of a SWS-4 4-way splitter, using a SWS-2 2-way splitter, as a combiner.
R10 via SWM-16 Legacy 1
In boxes HR10-250, HDVR2 & (2) D10-300

#3 OFFLINE   weadjust



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Posted 15 August 2008 - 07:49 PM

That answers my question. Thanks for the quick response. This is a great site with some excellent infomation.

#4 OFFLINE   VLaslow


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Posted 15 August 2008 - 08:47 PM

That answers my question. Thanks for the quick response. This is a great site with some excellent infomation.

:welcome_s Enjoy the site. I'm sure you will.

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