DSL Issues: (Was: Best DSL Modem?)

[Amos Weatherill]

Try a company called Norelco Safecam.

My office buys most of our network cabling and jacks from them.
On Jun 1, 2014 8:47 PM, <phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org> wrote:

> For those who are interested in my adventures getting DSL functional again:
>
> I inspected the phone wiring at the point where it enters the house, and
> in my previous installations of phone lines, I had used plastic ties on
> one of the phone lines to tie it to a cold water pipe. That pipe is
> sweating copiously in the warm weather, so it could be that the
> combination of water and being close to a metallic surface would attenuate
> the DSL signal. In any case, I insulated the pipe and moved the wire away
> from the pipe.
>
> I moved the modem to a second floor phone outlet where it seems to work
> semi-reliably. I have a temporary ethernet cable up to the third floor to
> my working computer, and that functions reliably..at least for the moment.
>
> My existing system does not split the line where it enters the house.
> There are filters on all the phone outlets, an arrangement which used to
> work properly.
>
> There are several suggestions on the internet (including Len's comment,
> below) that it is better to split the POTS and ADSL lines close to the
> demarcation point - ie, where the phone line enters the building. That
> makes sense, since the added capacitance of the other phone lines would
> tend to attenuate the ADSL signal. So the idea is to split the signal at
> the demarc, and then use the second set of wires in the phone cable
> (yellow and black) up to a separate phone outlet that is used only as an
> ADSL connection.
>
> Tomorrow I'll contact Wilcom and see if I can order a suitable splitter:
>
> http://www.wilcominc.com/item.cfm?ProdID=35&result=1&stockalert=No#skus
>
> (Their webpage suggests using UPS for delivery. I will attempt to use USPS
> instead, since UPS charge atrocious border clearance fees.)
>
> Any other suggestions, such as a local source for the splitter, would be
> welcome.
>
> (The 8-Port Ethernet switch also appears to be acting up, but one
> technical challenge at a time..).
>
> What do people do who do not have a resident electrical engineer to sort
> out this stuff?
>
> Peter
>
> > On Fri, May 30, 2014 at 06:42:43PM -0400, phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org wrote:
> >> Something recently changed with our Teksavvy DSL connection (they
> >> 'optimized it, apparently) and now the modem (Sagecom 2864) works close
> >> to
> >> the demarkation point in the basement and at phone outlets on the first
> >> and second floor, but not on the third floor, which is a little bit
> >> further. I suspect the signal has gone down a bit in strength and it's
> >> not
> >> enough for the modem.
> >>
> >> Unplugging phones has no effect.
> >>
> >> This is highly inconvenient since everything is cabled back to that
> >> modem.
> >> Changing over to wireless or some other solution is a major disruption.
> >>
> >> The phone still works fine at the third floor outlet, so the connection
> >> is
> >> basically OK.
> >
> > Working at 64kbit isn't the same as working at 25Mbit.
> >
> >> Anyone have any thoughts about a good DSL modem to try in this
> >> situation?
> >>
> >> Any advice appreciated.
> >
> > For which kind of DSL?
> >
> > After all VDSL2 needs different modems than ADSL2 or ADSL.
> >
> > Looking it up, it seems the 2864 is in fact a VDSL2 modem.  When I had
> > mine installed they ran a dedicated line from the demarc point for the
> > modem, and put the splitter/filter by the demarc point (which means I
> > don't need filters anywhere in the house which otherwise I would have).
> > It also means there are no splits on the line going to the modem which
> > tends to help the signal quality a lot.
> >
> > Of course I got my VDSL2 link early enough that I have a cellpipe.
> > I should probably talk to teksavvy about switching to a sagemcom that
> > I buy instead of paying $8 rental each month.
> >
> > --
> > Len Sorensen
> > --
> > The Toronto Linux Users Group.      Meetings: http://gtalug.org/
> > TLUG requests: Linux topics, No HTML, wrap text below 80 columns
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> >
>
>
> --
> Peter Hiscocks
> Syscomp Electronic Design Limited, Toronto
> http://www.syscompdesign.com
> USB Oscilloscope and Waveform Generator
> 647-839-0325
>
> --
> The Toronto Linux Users Group.      Meetings: http://gtalug.org/
> TLUG requests: Linux topics, No HTML, wrap text below 80 columns
> How to UNSUBSCRIBE: http://gtalug.org/wiki/Mailing_lists
>
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