| Below is a list of articles with the most recent ones listed first. |
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Digital Communications - part 1 by MDofPC |
Topic: Digital Communications |
| For most of the last 100 years of the 20th century the connection between the subscriber and their telephone exchange was copper twisted pair buried in the pavement or distributed overhead on poles. Given the enormity of the investment in this "local loop" infrastructure it is hardly surprising that... |
| Published: Saturday 28 April, 2007 |
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Digital Communications - part 2 by MDofPC |
Topic: Digital Communications |
| xDSL is a catchall name for a variety of DSL (Digital Subscriber Line) technologies developed to offer phone companies a way into the cable TV business. It isn't a new idea; Bell Communications Research Inc. developed the first DSL back in 1987 to deliver video on demand and interactive TV over copp... |
| Published: Saturday 28 April, 2007 |
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Digital Communications - part 3 by MDofPC |
Topic: Digital Communications |
| During 1997 a number of companies were independently working on versions of splitterless DSL. The theory behind splitterless DSL is that it requires no technician to come to your house to install it, making the technology easier to install for consumers, and easier to roll out for service providers.... |
| Published: Saturday 28 April, 2007 |
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Digital Communications - part 4 by MDofPC |
Topic: Digital Communications |
| Even before designs based on the first generation standards (ITU G.992.1 and G.992.2) had been perfected, the ITU had been working on a latter revisions of the ADSL standard. In July 2002, the ITU completed two new ADSL standards - designated as G.992.3 and G.992.4 for full-rate ADSL and splitterles... |
| Published: Saturday 28 April, 2007 |
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Digital Communications - part 5 by MDofPC |
Topic: Digital Communications |
| In the UK, BT (British Telecom) commenced pilot trials of its ADSL technology - in north and west London - in late 1998. Early the following year, the company announced that it planned to spend £250m upgrading 400 local exchanges - out of the UK's total of around 5,500 - to handle ADSL services by t... |
| Published: Saturday 28 April, 2007 |
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Digital Communications - part 6 by MDofPC |
Topic: Digital Communications |
| Cable modems offer the prospect of fast and affordable Internet access by leveraging existing broadband cable TV networks. The technology is more applicable to home than business users since it is residential areas that are more likely to be wired for cable. |
| Published: Saturday 28 April, 2007 |
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Digital Communications - part 7 by MDofPC |
Topic: Digital Communications |
| Wires-only was one of the first of many BT initiatives during 2002 designed to kickstart the adoption of broadband, appearing on a wholesale basis at the start of the year and reaching consumers via ISPs over the following months. |
| Published: Saturday 28 April, 2007 |
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