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<p class="MsoNormal">You can’t push a T1 through a load-coil which are normally placed every mile on copper. Typically the telco would cut the load-coil out of the 2 T1 pairs and install a repeater to push the T1 the next mile. That is with a traditional
T1 circuit. Most T1s these days are 2 wire HDSL which has a max of about 12k feet. So for 6 miles you’ll need 3 repeaters in the span *<b>if</b>* you have good copper.<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">NANOG <nanog-bounces@nanog.org> on behalf of Nick Bogle <nick@bogle.se><br>
<b>Date: </b>Wednesday, December 12, 2018 at 10:00 PM<br>
<b>To: </b>Dan Hollis <goemon@sasami.anime.net><br>
<b>Cc: </b>"nanog@nanog.org" <nanog@nanog.org><br>
<b>Subject: </b>Re: Extending network over a dry pair<o:p></o:p></span></p>
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<p class="MsoNormal">The driving distance is 4 miles, we are leasing it from CenturyLink whose headend maybe adds a mile or less, it's on the route and about half way through. I made it 6 miles to be safe. We currently can pull a full 1.5Mbps off of that T1
we run there so perhaps CenturyLink is repeating at their CO and/or along the route?<o:p></o:p></p>
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<p class="MsoNormal">On Wed, Dec 12, 2018 at 6:32 PM Dan Hollis <<a href="mailto:goemon@sasami.anime.net">goemon@sasami.anime.net</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">I doubt he will get >1.5mbps with those over a 6 mile long connection.<br>
<br>
I did a quick check and flowpoint 2200s seem to max out at 192kbps at 3 <br>
miles.<br>
<br>
-Dan<br>
<br>
On Wed, 12 Dec 2018, Tim Pozar wrote:<br>
<br>
> For dry pairs, I have used Flowpoint SDSL modems (see attached). I<br>
> picked these up for a sawbuck.<br>
><br>
> Tim<br>
><br>
> On 12/12/18 5:00 PM, Dan Hollis wrote:<br>
>> On Wed, 12 Dec 2018, Nick Bogle wrote:<br>
>>> A quick question for you guys;<br>
>>><br>
>>> If you had a single dry pair (pair of copper wires originally for phones)<br>
>>> to a remote site that was around 6 miles away, what would you use? We<br>
>>> currently are just extending a T1 line to this site, but 1.5Mbps isn't<br>
>>> cutting it anymore. Unfortunately it's a research site on a federally<br>
>>> protected wildlife preserve so we can't run any new infrastructure (fiber<br>
>>> etc) and it isn't in a geographical place where point to point<br>
>>> wireless is<br>
>>> practical. We were thinking there is some sort of network extender that<br>
>>> uses some form of DSL for higher bandwidth capacity.<br>
>>><br>
>>> Any suggestions?<br>
>><br>
>> If this is telco provided dry pair then the distance is probably longer<br>
>> than 6 miles as the endpoints are probably tied together through a telco<br>
>> CO.<br>
>><br>
>> I have not heard of any equipment which will work over a 6 mile pair any<br>
>> faster than you're getting with T1.<br>
>><br>
>> You might consider setting up wireless repeaters to bridge where there<br>
>> is no direct LOS. Look at what the hamwan guys have done.<br>
>> <a href="http://hamwan.org/" target="_blank">http://hamwan.org/</a><br>
>><br>
>> -Dan<br>
><o:p></o:p></p>
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