Howto on Cable Modem Connection

Howto on Cable Modem Connection

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Subject Author Date
Howto on Cable Modem Connection John Jones 02-10-2006
Posted by John Jones on March 10, 2006, 9:42 am
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wrote:

>Unless you have a bunch of splitters in front of your modem, the 56dBmv
>is from my experience as a customer indicative of a line drop issue that
>only the ISP's techs can correct.

The incoming line goes through one splitter, then a second one. The
cable modem is connected to the second one. I'm thinking I'll try to
locate a good splitter to replace the first one with, and connect the
cable modem to the proper tap on that. If that doesn't help, I'll tell
my friend to have Comcast get involved again.
John Jones, Detroit

Pure Networks
Posted by Bill M. on March 10, 2006, 12:27 pm
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On Fri, 10 Mar 2006 14:42:02 GMT, John Jones

>wrote:
>
>>Unless you have a bunch of splitters in front of your modem, the 56dBmv
>>is from my experience as a customer indicative of a line drop issue that
>>only the ISP's techs can correct.
>
>The incoming line goes through one splitter, then a second one. The
>cable modem is connected to the second one. I'm thinking I'll try to
>locate a good splitter to replace the first one with, and connect the
>cable modem to the proper tap on that. If that doesn't help, I'll tell
>my friend to have Comcast get involved again.
>John Jones, Detroit

In your search for the perfect splitter, consider dropping by your
local cable office. So far, everywhere I've lived, they gladly hand
out splitters as well as reasonable lengths of terminated cable, just
for asking.


Posted by Timothy Daniels on March 10, 2006, 1:01 pm
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"Bill M." wrote:
> In your search for the perfect splitter, consider dropping by
> your local cable office. So far, everywhere I've lived, they
> gladly hand out splitters as well as reasonable lengths of
> terminated cable, just for asking.


Here in Los Angeles, the field tachnicians are generous
"judiciously". If you're a customer, they'll give you up to 100'
of RG6 quad-shield cable and they'll even cut it and attach
connectors. That's because it's in their interest to keep
you happy and using good cable that prevents leakage into
and out of their network. But the business office can't be
bothered. In such instances, it helps to just walk into the
field ops truck yard and speak to a supervisor and explain
that you're a customer and sound you know what you're
doing. Using terms like "RG6 quad-shield",
"Snap-N-Seal F-connector", "2-way splitter good for
1 gigahertz" does help. I once did that. At first the techs
denied that they had any splitters in their trucks. But after
a brief conversation, they were giving me stuff that I hadn't
even asked for.

*TimDaniels*

Posted by DLR on March 10, 2006, 9:38 pm
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>> In your search for the perfect splitter, consider dropping by
>> your local cable office. So far, everywhere I've lived, they
>> gladly hand out splitters as well as reasonable lengths of
>> terminated cable, just for asking.
>
> Here in Los Angeles, the field tachnicians are generous
> "judiciously". If you're a customer, they'll give you up to 100'
> of RG6 quad-shield cable and they'll even cut it and attach
> connectors. That's because it's in their interest to keep
> you happy and using good cable that prevents leakage into
> and out of their network. But the business office can't be
> bothered. In such instances, it helps to just walk into the
> field ops truck yard and speak to a supervisor and explain
> that you're a customer and sound you know what you're
> doing. Using terms like "RG6 quad-shield",
> "Snap-N-Seal F-connector", "2-way splitter good for
> 1 gigahertz" does help. I once did that. At first the techs
> denied that they had any splitters in their trucks. But after
> a brief conversation, they were giving me stuff that I hadn't
> even asked for.
>
The smarter cable office have learned (are learning) that giving out a
20 splitters that costs them $1 in bulk can save a service call that
costs $200 (after accounting for overheard).

After an installer in Chapel Hill, NC dropped off a cable modem for a
new house I mentioned getting a powered splitter to handle all the
prewired drops. He handed me a new one from his truck. :)

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other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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