Date: Mon, 7 Apr 1997 08:51:01 +0800 (WST) From: Adrian Chadd <adrian@obiwan.aceonline.com.au> To: freebsd-isp@freebsd.org Subject: Re: E-1 ? Message-ID: <Pine.BSF.3.95q.970407084656.1419A-100000@obiwan.aceonline.com.au> In-Reply-To: <3.0.32.19970406132146.00bef93c@mixcom.com>
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On Sun, 6 Apr 1997, Jeffrey J. Mountin wrote: > >E-1 is the Europeon equivalent of T1, although its not really equivalent in > >that > >its 2.048Mbs, rather than 1.536, as they use 32 64k channels rather than 24. > > There is a bit of overhead along with 24 * 64 for 1.544 Mbs. Even this is > not set in stone, but is the guaranteed minimum rate. I've seen up to > 1.724 on one of our T1s. > > E1s have 30 channels. > It rings a bell, its either PRI or Frame Relay from memory, but I honestly can't remember which one it is. (We have something similar in Australia, a 2mb DDS Fastway link is 31 x 64k slices). I've always been curious though.. why 24 x 64k chunks on a T1? Why not more? Cya -- Adrian Chadd | UNIX, MS-DOS and Windows ... <adrian@psinet.net.au> | (also known as the Good, the bad and the | ugly..)
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