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Will any DSL modem work?

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May 12, 2010 10:23:14 PM

I have been tasked with replacing a broken 2Wire 2701HG-B DSL modem that we use for AT&T service.

We use it in bridge mode and have a sonicwall handle the PPPoE.

My question is this: will ANY dsl modem work? I simply don't know enough about DSL to be able to answer this question.

I've been asked to pick something up at Best Buy tomorrow morning and install it at the client site, but I feel like I'm grabbing at straws here.

Thanks for any help.

More about : dsl modem work

May 13, 2010 12:28:43 AM

Not "ALL" modems are compatible.

From what I have found, you need to match the VPI/VCI pair.

I don't want to sound rude or ignorant, but try Googleing your question. I did and it came up with quite a few answers. Just not sure your exact setup with AT&T.

Good luck
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May 25, 2010 12:28:18 AM

I did quite a bit of googling on this, but was unable to find a definitive answer. I did see several posts about matching the VPI/VCI pair, but no word on whether or not this is something that all DSL modems do.

I did see some posts about regional differences in setting up modems, but again, nothing definitive.

It seems that most local tech stores (Best Buy, etc) carry modems appropriate for the region, so it's safe to buy locally, but that doesn't help when you're shopping eBay or Froogle.

In the end, Best Buy had the same model as the one that broke, so I just purchased that one.

But it would still be nice to know the ultimate answer to the original question.
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June 15, 2010 8:31:45 PM

I'm curious about this too. Ever find an answer?
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June 26, 2010 4:40:15 AM

No. But I did learn that electronics stores in the region will likely be carrying replacements that are compatible with the DSL in the area. Also, the more informed shops will know which models will work with which service.

I did learn, however, that when it comes to CABLE modems, pretty much any one will work with any service as long as it's got the same (or higher) DOCSIS version. Although with one client's service, the cable company would not allow us to use it because it violates their terms of service.
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