Corning POTs splitter
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gimli @ 4th Nov 08:13AM:
Corning POTs splitter

Any one know where I can pick a few of these up?

»catalog2.corning.com/CorningCabl···1-EN.pdf

local GTA that is...
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AkFubar @ 4th Nov 08:34AM:
Re: Corning POTs splitter

Similar made by Wilcom couldn't find the corning one.

»www.ovislink.ca/PS-15/PS-15.htm

»www.ovislink.ca/
--
"No matter where you go, there you are." - Buckaroo Banzai
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anon @ 4th Nov 09:06AM:
Re: Corning POTs splitter

Used to be lots of them on ebay for around 50$. I only see one ATM for about 17$, but USA.

Check canadian ebay type place maybe. I thought TSI sold some...
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Bicephale @ 4th Nov 10:19AM:
Re: Corning POTs splitter

As i recall TekSavvy used to carry the Comtest NID-01.
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oxfordwhite @ 4th Nov 10:24AM:
Re: Corning POTs splitter

I know bell busines highspeed usually adds these to their packages.....

When my office ordered some testing DSL i snagged them for home.
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anon @ 4th Nov 12:15PM:
Re: Corning POTs splitter

They must be readily available.
Couple months ago I did a re-wire for a Primus customer and recommended one of those and a week later she called me back to install one she went and bought.
It was in a shipping package and she said she bought it online.
Her speed went from 3 to 5 btw.
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wayjac @ 4th Nov 03:07PM:
Re: Corning POTs splitter

A microfilter will do the same job just as well
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anon @ 4th Nov 03:48PM:
Re: Corning POTs splitter

said by wayjac :

A microfilter will do the same job just as well
I have thought that as well and installed a single low pass filter in a centralized position.
It seemed to work ok but I didn't have a baseline for comparison.
I have not been able to compare line stats between scenarios.
Do you have any empirical analysis?
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wayjac @ 4th Nov 04:03PM:
Re: Corning POTs splitter

I don't have any empirical analysis info, it just works
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Oinktastic @ 4th Nov 04:12PM:
Re: Corning POTs splitter

I thought a proper POTS splitter had a high-pass filter feeding the DSL side and a low-pass filter feeding the phone side. That would make it more effective, would it not?

When implemented properly, this means that the DSL signals don't have anywhere to reflect (good thing) and the phone signals get filtered out of the DSL-carrying wires, to eliminate cross-talk/errors (also good thing).

The microfilter only filters out the DSL signal from the phone (low-pass filter), but unless this is implemented centrally, this still allows signal reflections inside the residence. It also allows the phone signals to mix with the DSL signals, no?

Am I off in left field?
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anon @ 4th Nov 04:18PM:
Re: Corning POTs splitter

said by wayjac :

I don't have any empirical analysis info, it just works
I realize it works but my concern is it as efficient as an engineered Corning or Wilcom unit.

As you know the micro units were designed to filter an individual line cord and set.

Are they as efficient in filtering what could be hundreds of feet of inside service wire, multiple phones or other cpe such as fax machines and sat. receivers.
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wayjac @ 4th Nov 04:25PM:
Re: Corning POTs splitter

I'm no expert but the voice signal and the dsl signal coexists just fine, when phone devices/extra cables are connected problems happen

I've never seen a cpe pots splitter/filter that blocks the voice signal
The telco will use a high pass filter to deny access to the voice signal when a reseller provides the dsl
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wayjac @ 4th Nov 04:33PM:
Re: Corning POTs splitter

Yes microfilters are designed to filter an individual line cord and set
If there is hundreds of feet of inside service wire or just a few feet if what's there degrades the dsl signal then the dsl signal should not be on that inside wire

I think the dsl signal should only be on the wire pair that connects to the modem there is no good reason for the dsl signal to be on other wire pairs
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anon @ 4th Nov 05:08PM:
Re: Corning POTs splitter

said by wayjac :

I think the dsl signal should only be on the wire pair that connects to the modem there is no good reason for the dsl signal to be on other wire pairs

Which is the way I wire it up for people. A clean pair from the nid to the modem. All the other isw is put behind a micro or pots filter/splitter.

So the question is whether there is a significant, or any, difference as to which one I use?
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Bicephale @ 4th Nov 05:19PM:
Re: Corning POTs splitter

Hi Oinktastic,

I don't believe you're wrong about the filter concept you
described, i found this schematic while browsing around a
couple years ago:


The customer's own wiring, Bicephale, 2007-Oct-30



Micro-filters don't even remove the DSL signals completely
as i've found they can be "leaky" after i tested RF Choking
on a stacked pair...
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dslrocker3 @ 4th Nov 05:22PM:
Re: Corning POTs splitter

could you imagine performing RF choking experiments on the drop wire? LOL.
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wayjac @ 4th Nov 05:26PM:
Re: Corning POTs splitter

said by xbell :

So the question is whether there is a significant, or any, difference as to which one I use?
For me no, I let the circumstances make the decision
If I can fit the filter inside the house and there are spares.....microfilter

If the filter must be at the nid I would prefer a filter that's weatherproof but I've put microfilters inside the nid too
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Bicephale @ 4th Nov 05:29PM:
Re: Corning POTs splitter

Me? Certainly!

:D
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Telus Lurker @ 4th Nov 06:52PM:
Re: Corning POTs splitter

said by Oinktastic :

I thought a proper POTS splitter had a high-pass filter feeding the DSL side and a low-pass filter feeding the phone side. That would make it more effective, would it not?

When implemented properly, this means that the DSL signals don't have anywhere to reflect (good thing) and the phone signals get filtered out of the DSL-carrying wires, to eliminate cross-talk/errors (also good thing).

The modem has to look at each channel seperately, so it knows to ignore signals in the voice band.

said by Oinktastic :

The microfilter only filters out the DSL signal from the phone (low-pass filter), but unless this is implemented centrally, this still allows signal reflections inside the residence. It also allows the phone signals to mix with the DSL signals, no?

Am I off in left field?
That's correct. The microfilters don't do anything about the reflections in the house wiring.
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