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Forums » US Cable Support » Comcast » Comcast Cable TV » catv converter w/indoor antenna
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rendrenner

join:2005-09-03
Grandville, MI

reply to avaltom
Re: catv converter w/indoor antenna

Comcasts signal is a closed system broadcast over the cable line. You would not get any usable signal from your cable provider from OTA. Comcast does have a backup system for providing their signal in the event of a power outage, so hooking your TV and cable box to the generator would still give you tv. Exceptions to this would be if there is a severe outage where the cable line is broke, damaged or lying in the street.
to forum · permalink · · 2009-06-04 11:07:16 · Reply to this


avaltom

@comcast.net		 thank you for the info. I'll contact comcast about the power back up.
to forum · permalink · 2009-06-04 11:17:03 · Reply to this

rendrenner

join:2005-09-03
Grandville, MI
said by avaltom :

thank you for the info. I'll contact comcast about the power back up.
Sorry there I wasnt clear about that. Since comcast provides a phone service, they have to have a way to provide service in the event of a power outage. One of the ways this is done is a battery inside the phone modem. The other way is thru a battery backup system for the equipment on the telephone poles.

In an area that has above ground service you may see large boxes about the size of a small file cabinet strapped to a pole. This is the power supply ( inserter) for the cable system . It takes power from the power company and drops it down to about 60 - 90 volts. This powers all of the amps and Nodes. There are also batteries inside here in case of a power failure. In extended power outages you may see generators attached to these boxes to continue to provide power after the batteries fail. All of my system guys carry a generaor or 2 in the back of their trucks just in case.

Hope that explained the backup system better
to forum · permalink · · 2009-06-04 18:21:02 · Reply to this
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