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Coax connections on surge protectors OK for sat or cable? (1 Viewer)

Bill Fletcher

Stunt Coordinator
Joined
Oct 28, 2000
Messages
71
The surge protection devices in my price range seem to have 3 coax connections. One of the devices labelled them as 1 satellite and 2 cable. Is there really a difference in the protection required for a satellite input versus a cable input? I have a Philips TIVO satellite receiver which uses two satellite inputs.

Thanks. Bill
 

Bill Kane

Screenwriter
Joined
Feb 5, 2001
Messages
1,359
bill, according to some recent research I found, I conclude that sat and tv coax ports are not interchangeable:

Satellite coax feeds 13v and 18v signals from the dish LNBs. A SAT designed coax surge suppressor port carries about 27v clamping.

Cable tv ports will carry ~ 0.7v clamping.

If one connects the SAT coax into the Cable tv port, that port MAY block the SAT signals.
 

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