[37522] in North American Network Operators' Group
RE: 2 Wire T1 - HDLC
daemon@ATHENA.MIT.EDU (Martin, Christian)
Tue May 15 05:30:46 2001
Message-ID: <94B9091E1149D411A45C00508BACEB359CDAF9@entmail.gnilink.com>
From: "Martin, Christian" <cmartin@gnilink.net>
To: "'John A. Tamplin'" <jat@liveonthenet.com>,
Hunter Pine <hunter@compuhelp.com>
Cc: mike harrison <meuon@highertech.net>, nanog@nanog.org
Date: Tue, 15 May 2001 01:07:10 -0400
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John,
I believe you are referring to HDSL2, which can and does run over
single-pair but uses advanced spectral shaping and error correcting
mechanisms that weren't invented when HDSL was dreamed up by Bellcore.
./chris
> -----Original Message-----
> From: John A. Tamplin [mailto:jat@liveonthenet.com]
> Sent: Monday, May 14, 2001 7:13 PM
> To: Hunter Pine
> Cc: mike harrison; nanog@nanog.org
> Subject: Re: 2 Wire T1 - HDLC
>
>
>
> On Mon, 14 May 2001, Hunter Pine wrote:
>
> > That was my mistake Mike. HDSL is NOT two SDSL lines by
> definition. It's
> > just two circuits running symmetric 768k DSL (not SDSL)
> bonded to form a
> > single1.5mb line.
>
> Umm, no. HDSL rides a single pair, and provides more than 1.5Mb.
>
> John A. Tamplin jat@jaet.org
> 770/436-5387 HOME 4116 Manson Ave
> 770/431-9459 FAX Smyrna, GA 30082-3723
>
>
