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Leo9's avatar
Leo9
New Contributor II
11 years ago
Solved

Cable modem surge suppressor

I bought an Isobar Home Theater Surge suppressor (Model ISOBAR6DBS) to protect my Cox internet and phone modem. However, when I interpose it between the Cox coax cable and my modem, I cannot get eith...
  • Leo9's avatar
    Leo9
    11 years ago

    I just verified with TrippLite that you are all correct. It is designed for analog video modems only ...which makes it obsolete unless you're just connecting to a rooftop antenna. The box does read "protect components on two DSS satellite, cable or antenna lines simultaneously" and lists no restrictions.

Leo9's avatar
Leo9
New Contributor II
11 years ago

Kip, Thanks! There may be no appreciable voltage coming over the cable during normal operation, but what about an abnormal situation such as a lightning strike on a nearby pole? It seems that a similar argument could be made about power lines, that there should be no voltages that could harm connected equipment during normal operation. And the power line going into my service box is also grounded. Am I missing something in what I'm saying?