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- Path: polarnet.com!floyd
- From: floyd@polarnet.com (Floyd Davidson)
- Newsgroups: comp.dcom.modems
- Subject: Re: faster than 28.8
- Date: 15 Feb 1996 06:41:44 GMT
- Organization: __________
- Message-ID: <4fukj8$rr3@zippy.cais.net>
- References: <sumner-2001961038000001@sumner.tiac.net> <DMqKFH.CpI@freenet.carleton.ca> <4fs7vs$spt@zippy.cais.net> <DMssDM.D3y@freenet.carleton.ca>
- Reply-To: floyd@tanana.polarnet.com
- NNTP-Posting-Host: tanana.polarnet.com
-
- In article <DMssDM.D3y@freenet.carleton.ca>,
- Anthony Hill <an171@FreeNet.Carleton.CA> wrote:
- >
- >Floyd Davidson (floyd@polarnet.com) writes:
- >>
- >> Until he gets the phone line fixed there is _nothing_ about any of
- >> his measurements of any kind (levels, data rates, or whatever)
- >> that is accurate or useful. What he is describing is a very
- >> serious impairment on his telephone line that certainly is more
- >> significant than any of the apparent problems he has described and
- >> attributed to his modem(s).
- >>
- >> Likewise, anyone who is testing modems and doesn't recognize what
- >> he has described is not aware enough about modems and telephone
- >> lines to make valid observations of what is happening, so all of
- >> his observations and conclusions are suspect.
- >
- > Do you realize that you basically just said that Couriers wouldn't
- >work well on impaired lines while his Supra did? I somehow don't think
- >that's the point you were trying to prove. In any case, if you had
- >followed the document you should know that the tests weren't even run over
- >the phone lines, they were run over a dirrect connection.
-
- No that is precisely NOT what I said. (Read it again, and
- understand why I clearly indicated a "very serious impairment"
- that is "more significant" than his modem problems are.)
-
- And if you had followed the thread carefully, e.g., a couple
- earlier comments I made about padding down the modem-to-modem
- connection he used for testing, you would understand why what he
- did there is also a meaningless test. Real world testing requires
- real world telephone lines, not 0 loss loops and/or crossed pairs
- with crosstalk at 10 dB down from testtone levels! Both are
- impairments that are outside the range which dialup modems are
- commonly required to compensate for. If they do, wonderful! But
- it has no value to a user.
-
- There is no point testing and compiling data that has no value
- to users.
-
- Floyd
-
-
- --
- Floyd L. Davidson Salcha, Alaska floyd@tanana.polarnet.com
-