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Definition of Local and Remote echo

Definition of Local and Remote echo

Definition of Local and Remote echo

I continue to see techs refer to local echo as being too high and
need to be in the teens. This to me is the reverse a high number in
db -60db vs -20 means less echo not more. I would like to know,
as transhybrid loss reflected the true level of "echo" and we had to
make sure the 2w side of the hybrid was matched for the best echo loss, with connections to long local loops this is very difficult and I imagine this is part of the reason for load coils as they would present an impedance of 600 ohms over a band of 300 to 3500 hz. So I guess what my question is are local echo and remote echo being mis diagnost?

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