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Can I connect two dsl modems for a multi-site connection using the telephone companies dry lines?

We have a facility roughly 1/4 mile away.  We've tried line of sight 802.11b bridges but have continuous problems due to the amount of trees located between locations.  Is there a way to use dry lines from the telephone company and connect two dsl modems between buildings?  This would be cheaper than having them provision a T-1 to this location (not to mention the routers we would need).  All of the users at this location are terminal services users so the bandwidth can be pretty small.  We have a westell dsl modem laying around and I have a modem at home that I'm not using anymore.  Do the modems have to be the same type?
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leerlp
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leerlp
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Pete LongTechnical ConsultantCommented:
can you run fibre? then you would only need some fibre modules in your switches and you wont have a recurrung revenue?
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Yan_westCommented:
Hmm Just connect the 2 building to different DSL line, and buy 2 VPN Enabled firewall/router, then make a tunnel between the 2 location over the internet.. that would be the simplest/safer way to procede.
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Yan_westCommented:
A dsl internet connection would be very cheap too...
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leerlpAuthor Commented:
Fiber would eliminate a recurring cost but be very expensive.  We are looking for the most cost effective solution.
Two vpn's would work but we've tried that with alot of latency issues.  They do quite a bit of printing and running a vpn has very slow printing.  I'd rather have a private network between buildings.
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Pete LongTechnical ConsultantCommented:
well you have discounted unbound comms (IR and wireless) due to line of site, VPN is not an option, neither is Fibre and Im willing to bet microwave is out of the price range?

perhaps some wet green hairy string?
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Yan_westCommented:
Hmmm, if we are speaking of "cost effective solution".. well, I don't think you'r gonna be able to do it cheaply.. Like I said, VPN would be the best alternative.. and if you want speed with terminal services, you could go along with a CITRIX solution, but then again, this is still very expensive.
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leerlpAuthor Commented:
That's why I want to know if anyone has tried to use dsl between two buildings.  We currently lease lines from the telco that terminate to our pbx (in our main building) and are just phone extensions in the other building.  I thought maybe I could use one of these extensions as a dsl connection between buildings.  I'm not sure what the dsl modem connects to but it seems like it would be a little more cost effective than trenching fiber and have better performance than an internet connected vpn.
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Yan_westCommented:
Personnaly, I don't think it would be faster then using VPN with remote desktop on top of it.. If you got 2 VPN device, with vpn accelerator card.. (like cisco pix), the speed would be very good..

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leerlpAuthor Commented:
I think I  found my own solution.  A blackbox lan extender.  It was recommended to me by my CDW rep.  Another vendor is quoting me a cisco solution using a 828 G.HSDSL modem.  They both said these are perfect solutions for dry lines.
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Fatal_ExceptionSystems EngineerCommented:
Reading the post, this is exactly what I was going to recommend, as it was a solution that was found in another thread.  Here is the link to what we discussed:

http://www.tutsystems.com/mtu/products/lanextension/index.cfm
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bobbydall2000Commented:
Hi.  If you are looking for a simple, yet inexpensive way to accomplish this, use a Pair of Paradyne Etherloop modems.

http://www.paradyne.com/technology/etherloop.html

I have been using them for over 3 years and they are flawless.  I just finished setting up a waterbottling company using these between two distribution buildngs.  Took me half hour to set them all up including testing the connection.

They are very inexpensive [I am in Ontario and get the refurbs for about $250.00 per unit], currently have a 10Mpbs top speed, a 6 KM [about 4 mile] range and work flawlessly.   They are going to extend the range to 10KM and the speed to 100Mbps with the next units.

All you need is an unload pair of copper between the buildings.  A modem on either end, then plug the modem into a switch.  No IP's are needed as it works just like a long CAT5 connecting two places.  Cheap, easy to setup, and you just forget abou them they work so great.  Check them out.

Cheers
Mark
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Wilson_PhillipsCommented:
It appears that the author just didn't close it.



Comment from leerlp
Date: 08/30/2004 04:55PM CDT
 Author Comment  


I think I  found my own solution.  A blackbox lan extender.  It was recommended to me by my CDW rep.  Another vendor is quoting me a cisco solution using a 828 G.HSDSL modem.  They both said these are perfect solutions for dry lines.
 
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Computer101Commented:
PAQed, with points refunded (500)

Computer101
E-E Admin
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pallenbrownCommented:
Bummer. Why did I have to pay to read this then?
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