pctechguide.com

  • Home
  • Guides
  • Tutorials
  • Articles
  • Reviews
  • Glossary
  • Contact

ADSL2+ | ADSL2Plus | ITU G.992.5

ADSL2+ reached consent at the ITU in January 2003, joining the ADSL2 standards family as G.992.5. The ADSL2+ recommendation doubles the downstream bandwidth, thereby increasing the downstream data rate on telephone lines shorter than about 5,000 feet.

While the first two members of the ADSL2 standards family specify a downstream frequency band up to 1.1 MHz and 552 kHz respectively, ADSL2+ specifies a downstream frequency up to 2.2 MHz. The result is a significant increase in downstream data rates on shorter phone lines. ADSL2+ upstream data rate is about 1 Mbit/s, depending on loop conditions.

ADSL2+

ADSL2+ can also be used to reduce crosstalk. Since it provides the capability to use only tones between 1.1 MHz and 2.2 MHz, it allows masking of downstream frequencies below 1.1 MHz. This can be particularly useful when ADSL services from both the central office and a remote terminal are present in the same binder as they approach customers’ homes. The crosstalk from the ADSL services from the remote terminal onto the lines from the central office can significantly impair data rates on the line from the latter.

ADSL2+

ADSL2+ can correct this problem by using frequencies below 1.1 MHz from the central office to the remote terminal, and frequencies between 1.1 MHz and 2.2 MHz from the remote terminal to the customer premise. This will eliminate most of the crosstalk between the services and preserve data rates on the line from the central office.

  • ISDN
  • xDSL Digital Subscriber Line technologies – ADSL, HDSL, VDSL
  • An Overview of ADSL – What It Is and How It Works
  • Glite
  • ADSL2
  • ADSL2+ | ADSL2Plus | ITU G.992.5
  • xDSL Variants
  • ADSL Implimentation
  • Wires-Only ADSL – Asymmetrical Digital Subscriber Line
  • Cable Modems – for cable Internet connections
  • A Description and Explanation of Satellite Broadband and How It Works

Filed Under: Digital Communication Tagged With: ADSL broadband, ADSL standards, advantages of ADSL2+, what is ADSL2+, what is ADSL2Plus

Latest Articles

Remote Access Software

Have you ever been in a position where you needed to access something on your PC. Or, maybe you thought it would be nice if you could use your PC while away from it. Well, it is possible with remote desktop software. This software allows you to remotely control your PC over the Internet if it is … [Read More...]

RAM or Main Memory – PC / computer memory (DIMM, DRAM, SDRAM)

A PC's third and principal level of system memory is referred to as main memory, or Random Access Memory (RAM). It is an impermanent source of data, but is the main memory area accessed by the hard disk. It acts, so to speak, as a staging post between the hard disk and the processor. The … [Read More...]

Five Tips to Convert Servers to Virtualization

Virtualization has become a popular topic in the business world. It makes sense on so many levels, and, therefore, it has been on the mind of many people in the IT industry. Servers are perhaps the most popular piece of the IT puzzle to virtualize. Furthermore, they usually make the most sense to … [Read More...]

Gaming Laptop Security Guide: Protecting Your High-End Hardware Investment in 2025

Since Jacob took over PC Tech Guide, we’ve looked at how tech intersects with personal well-being and digital safety. Gaming laptops are now … [Read More...]

20 Cool Creative Commons Photographs About the Future of AI

AI technology is starting to have a huge impact on our lives. The market value for AI is estimated to have been worth $279.22 billion in 2024 and it … [Read More...]

13 Impressive Stats on the Future of AI

AI technology is starting to become much more important in our everyday lives. Many businesses are using it as well. While he has created a lot of … [Read More...]

Graphic Designers on Reddit Share their Views of AI

There are clearly a lot of positive things about AI. However, it is not a good thing for everyone. One of the things that many people are worried … [Read More...]

Redditors Talk About the Impact of AI on Freelance Writers

AI technology has had a huge impact on our lives. A 2023 survey by Pew Research found that 56% of people use AI at least once a day or once a week. … [Read More...]

11 Most Popular Books on Perl Programming

Perl is not the most popular programming language. It has only one million users, compared to 12 million that use Python. However, it has a lot of … [Read More...]

Guides

  • Computer Communications
  • Mobile Computing
  • PC Components
  • PC Data Storage
  • PC Input-Output
  • PC Multimedia
  • Processors (CPUs)

Recent Posts

DVD-RAM

Rewritable DVD-ROM drives, or DVD-RAM, employs phase-change technology with some MO features mixed in … [Read More...]

Hubs and Repeaters

Hubs/repeaters are used to connect together two or more network segments of any media type. In larger designs, signal … [Read More...]

LP to CD Burning

While the Audacity application has excellent functionality for the recording, splitting and cleaning-up of recordings, it doesn't have the features … [Read More...]

[footer_backtotop]

Copyright © 2025 About | Privacy | Contact Information | Wrtie For Us | Disclaimer | Copyright License | Authors