29 Years of the Digest ... founded August 21, 1981
The Telecom Digest for June 16, 2011
====== 29 years of TELECOM Digest -- Founded August 21, 1981 ======
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Date: Wed, 15 Jun 2011 19:06:36 +1000 From: David Clayton <email@example.com> To: firstname.lastname@example.org. Subject: Re: Battery power support today Message-ID: <email@example.com> On Mon, 13 Jun 2011 14:25:19 -0700, Lisa or Jeff wrote: ......... > Historically, telephone switching offices as well as PBXs had large > battery supplies which were kept charged on a 'float current' from power > supplied by rectifying commercial power. If commercial power failed, the > batteries would be charged by large diesel engines and generators. All of > this power plant was a major installation as part of the central office. > > It has been suggested that some central offices, remote switching nodes, > and cell phone antenna sites, no longer have generators to supply power in > a commercial outage after the batteries run down. This is troubling. > Plenty of relatively normal nasty snowfalls can bring down commercial > lines requiring more an eight hours to restore. A tough weather event > would generate greatly increased telephone and datacomm usage, further > taxing the power supply. But what level of weather (or other major) event do people expect comms to keep functioning? With the increasing quantity of major natural disasters affecting population centres all around the world, I'd like to see some data on what ends up being the more reliable and available voice comms infrastructure - either old POTS or Wireless? Does anyone know if there have been studies done to show what actually happens in disaster areas, rather than what we all individually may think happens because one day our own lives may depend on the reality rather than the perception? -- Regards, David. David Clayton Melbourne, Victoria, Australia. Knowledge is a measure of how many answers you have, intelligence is a measure of how many questions you have.
Date: Wed, 15 Jun 2011 11:07:16 -0700 (PDT) From: Neal McLain <firstname.lastname@example.org> To: email@example.com. Subject: Comcast Taps Facebook for Enhanced TV Experience Message-ID: <firstname.lastname@example.org> Hollywood Reporter, 06/14/2011 by Georg Szalai 6/14/2011 NEW YORK - Comcast Corp. is working with Facebook, Intel and other technology firms to create what it calls a next-generation TV experience, which will make the TV screen more interactive by adding Internet features and apps. "This new experience transforms the way consumers watch television with a new guide and user interface that makes the TV screen more interactive, personal and social," the cable giant said. http://tinyurl.com/3t56c7x Neal McLain
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