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- Newsgroups: comp.multimedia
- Path: sparky!uunet!walter!news
- From: Jonathan Rosenberg <jxr@thumper.bellcore.com>
- Subject: Re: Video on demand --- info requested
- Message-ID: <1992Nov7.201529.25165@walter.bellcore.com>
- Sender: news@walter.bellcore.com
- Nntp-Posting-Host: bambam.bellcore.com
- Organization: Bellcore
- Date: Sat, 7 Nov 92 20:15:29 GMT
- Lines: 25
-
- From: jonathan@rahul.net (Jonathan Heiliger)
- Subject: Re: Video on demand --- info requested
- Date: Sat, 7 Nov 1992 17:30:04 GMT
-
- In article <1992Nov5.141630.10937@walter.bellcore.com>
- jxr@thumper.bellcore.com (Jonathan Rosenberg) writes:
-
- best you can attain on those right now is about 14.4 kb/s, with a
- modem). But there is a technology that is beginning to move out of the
- lab that can support T1 rates (1.544 Mb/s) to most residences over the
- existing copper plant. This technology is known as ADSL (Asymmetric
-
- > Actually a T1 line still runs over normal copper wire. True, you usually
- > need a hub & a hub adaptor for it; however it's still a normal phone wire.
-
- The key to ADSL is "to most residences over the existing copper plant".
- It is my understanding that while T1 uses a "normal phone wire"
- (actually a wire pair), it is not suitable for use over the vast
- majority of wire pairs running to residences. To get T1 somewhere
- normally requires pulling new wires. To get ADSL to most places just
- requires a new network terminator in the residence (as well as some
- stuff at the CO end, of course). Big difference.
-
- JR
-
-