From owner-freebsd-isp Mon May 28 18:42: 0 2001 Delivered-To: freebsd-isp@freebsd.org Received: from inet03.citec.qld.gov.au (inet03.citec.qld.gov.au [203.5.10.10]) by hub.freebsd.org (Postfix) with ESMTP id 850E837B422; Mon, 28 May 2001 18:41:53 -0700 (PDT) (envelope-from sgcccdc@citec.qld.gov.au) Received: by inet03.citec.qld.gov.au; id LAA09445; Tue, 29 May 2001 11:41:19 +1000 (EST) Received: from guru.citec.qld.gov.au( 147.132.22.88) by inet03.citec.qld.gov.au via smap (V2.0) id xmaa09145; Tue, 29 May 01 11:41:11 +1000 Received: from localhost (sgcccdc@localhost) by guru.citec.qld.gov.au (8.9.3/8.9.3) with ESMTP id LAA91477; Tue, 29 May 2001 11:41:09 +1000 (EST) (envelope-from sgcccdc@citec.qld.gov.au) X-Authentication-Warning: guru.citec.qld.gov.au: sgcccdc owned process doing -bs Date: Tue, 29 May 2001 11:41:09 +1000 (EST) From: Colin Campbell To: Laurence Berland Cc: Christophe Prevotaux , , , Subject: Re: OC48 interface In-Reply-To: <3B12CBBE.567B1A8D@confusion.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Hi, Pedant alert! According to the book in front of me (ISP Survival Guide (Wiley) by Geoff Huston) The Synchronous Digital Hierarchy Level US International Mbps ------------------------------------------------------------- 1 OC-1 51.84 2 OC-3 STM-1 155.52 3 OC-9 STM-3 466.56 4 OC-12 STM-4 622.08 5 OC-18 STM-6 933.12 6 OC-24 STM-8 1244.16 8 OC-36 STM-12 1866.24 9 OC-48 STM-16 2488.32 10 OC-192 STM-64 9953.28 On Mon, 28 May 2001, Laurence Berland wrote: > IMO 622=OC12...perhaps I'm misled? > > Shouldn't OC48 be 2.488Gbps? Colin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message