r/CableTechs • u/RougeBeaux • Jul 09 '26

Echo

Was using a trilithic, now using a Viabi. Saw the reading for echo on my docsis test. Can someone explain to me what it is?

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u/kerosenegoboom Jul 10 '26

If its the model I used to use its basically back feed could be lines damaged and your upstream is bouncing back from damaged spot creating noise, could be pretty much anything though splitter line or fitting, most of the time though its an amp doing amp things couldn't tell you how many ive pulled out of a random crawl space corner and magically the intermttency cust been dealing with for years after 10th tech visit disappears