> is a -35dbmv the normal level for pass/fail
> when certifying drop plant.
> Are different levels applied for data service
> vs dct or telco?
Re: ingress - noise - drop certification
Member #: 6608
Registered: 1996-2001
Posted:
101
Name:
Darryl Thomas
Name:
Darryl Thomas
Occupation:
Sweep Supervisor
Location:
Orlando, Florida
I would say thats a very clean drop... alittle rigid but a large percentage of noise, 75% or better comes from the drop network. We have dct and telco.....DCT are of a polling nature if they can't poll it now they will poll it later and the info is so small that I have never seen ingress even cause a problem with our boxes.......Telco a cat of a different color if you have ingress you will be able to hear conversation fine but the person listening to you will hear alot of noise and popping (guess thats why the telcos call ingress noise because thats what you hear) the ingress has to be swamping the return carrier to cause this....in our case higher than a plus 10 thats a seperation of 45 dbmv as you can see it would have to be pretty severe. As far as data goes we run it higher than telco in amplitude but closer to the dirty end of the spectrum like between 20 and 33 mhz and telco is 31 to 40 mhz. They are usually both affected around the same time but the problem has to be pretty bad to knock them out so it is easy to find.
> is a -35dbmv the normal level for pass/fail
> when certifying drop plant.
> Are different levels applied for data service
> vs dct or telco?
> is a -35dbmv the normal level for pass/fail
> when certifying drop plant.
> Are different levels applied for data service
> vs dct or telco?
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