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EG11/resize/960x-1/quality/90/format/jpg' alt='Fairpoint Spread 6 0 Update' title='Fairpoint Spread 6 0 Update' />G. Wikipedia. ITU G. ADSL2, G. G. adslplus1 is an International Telecommunication Union standard for asymmetric digital subscriber line ADSL broadband. Internet access. The standard has a maximum theoretical download speed of 2. Mbits. Utilizing G. Annex M upload speeds of 3. Mbits can be achieved. Technical informationeditADSL2 extends the capability of basic ADSL by doubling the number of downstreamchannels. The data rates can be as high as 2. Mbits downstream and up to 1. Mbits upstream depending on the distance from the DSLAM to the customers premises. ADSL2 is capable of doubling the frequency band of typical ADSL connections from 1. MHz to 2. 2 MHz. This doubles the downstream data rates of the previous ADSL2 standard which was up to 1. Mbits, and like the previous standards will degrade from its peak bitrate after a certain distance. Also ADSL2 allows port bonding. This is where multiple ports are physically provisioned to the end user and the total bandwidth is equal to the sum of all provisioned ports. So if 2 lines capable of 2. Mbits were bonded the end result would be a connection capable of 4. Mbits download and twice the original upload speed. Not all DSLAM vendors have implemented this functionality. ADSL2 port bonding is also known as G. G. Bond. ITU T Spec. Description. G. 9. ATM based multi pair bonding A method for bonding of multiple DSL lines to transport an ATM payload beyond the ratereach capability of a single DSL loop. This protocol allows the bonding of 2 to 3. G. 9. 98. 2. Ethernet based multi pair bonding Provides a method for bonding of multiple DSL lines for Ethernet transport. Soalan Matematik Upsr Pdf. This recommendation builds on the IEEE 8. Ethernet transport over other x. DSL technologies, including ADSL. G. 9. 98. 3. Multi pair bonding using time division inverse multiplexing Details a method for bonding DSL lines using time division inverse multiplexing TDIM. This recommendation uses IEEE 8. It also allows the hitless addition and removal of pairs and the fast removal of a pair upon pair failure. DeploymenteditAustriaeditIn Austria, ADSL2 is offered by all copper line service providers, with major ones being Telekom Austria, Tele. Austria, UPC and Silver Server. The majority of DSLAMs are capable of supporting ADSL2 technology while older equipment is limited to ADSL. BelgiumeditADSL2 has a coverage of 8. Initially, ADSL2 was used to support IPTV this is still the case if VDSL2 isnt available. Speeds are limited at 1. Mbits. Belgacoms reference offer is called BROBA 2. Smaller ISPs use the BROBA 2 network, as well as providers who have their own ADSL2 equipment. There are a few other providers who have their own equipment installed in some cities, availability is therefore narrow Destiny NV offers an ADSL2 subscription for professional use, with speeds of up to 2. Mbits downstream and 1 Mbits upstream. Dommel offers three ADSL2 subscriptions, with speeds of up to 2. Mbits downstream and 3 Mbits upstream annex M. EDPnet offers two ADSL2 subscriptions at 2. Mbits downstream and 1 Mbits upstream with 1. GB data volume included. They are called ADSL Home dynamic IP and ADSL Office static IP. Scarlet The package is called Scarlet ADSL2. No limit. The download speed is capped at 2. Mbits and upload is as high as 1 Mbits, the download volume is based on a FUP. There are several smaller ISPs that use the services of Scarlet. Scarlets reference offer is called BRUO. Belgacom bought Scarlet, one of the conditions was to sell the BRUO network to a third party. Tele. 2KPN Belgium offers ADSL2 subscriptions, the maximum speed is limited at 1. Mbits downstream and 1 Mbits upstream. There is no download limit. Bosnia and HerzegovinaeditADSL2 is offered by the following operators BH Telecom website nationwide2 and Logosoft in Sarajevo, Zenica and Tuzla. In the Serb Republic entity, m tel DSLAM network devices show ADSL2, however m tel still continues to provide speeds up to 1. BulgariaeditIn Bulgaria, ADSL2 is offered by the national telecom operator Vivacom. Speeds up to 2. 0 Mbits downstream and 2 Mbit upstream. Available almost everywhere DSL is offered. CroatiaeditIn Croatia, ADSL2 is offered by all service providers, with major ones being H1 Telekom, T Com, Optima Telekom, Amis Telekom, Iskon Internet and Metronet telekomunikacije. All DSLAMs are capable of supporting ADSL2 technology. The foremost reason for introduction of ADSL2 was introduction of IPTV service by T Com, which required major bandwidth increase. Almost all service providers offer ADSL2 subscriptions at speeds up to 2. Mbits downstream and up to 7. All service providers provide a flat rate model with unlimited traffic. Amis Telekom, VIPNet, H1 Telekom, Iskon, Optima Telekom, and Hrvatski Telekom offer IPTV. DSL Type. Provider. Down up to kbitsUp up to kbitsADSL2Amis. ADSL2Hrvatski Telekom. ADSL2H1 Telekom. ADSL2VIPNet. ADSL2Iskon. 80. 00. ADSL2Optima Telekom. Czech RepubliceditIn the Czech Republic as of 2. ADSLADSL2 coverage is above 9. In many locations, and even in major cities such as Prague or Brno, the maximum speed does not even reach 4 Mbits because of the telephone cabling quality. Pricing plans of the biggest ADSL provider, Telefnica O2 Czech Republic, range from 2. There is also a wholesale offer for alternative ADSL providers, nevertheless the end user price in such case does not differ significantly from that of O2. Less than 5 of all ADSL customers use the offers based on the wholesale offer. There are about half dozen alternative ISPs that offer data plans utilizing the so called LLU. In this case the final price is about 2. O2. However the LLU is typically available only in large cities. The list of LLU providers includes the following compaines GTS Noveraesk Radiokomunikace 8,1. CZK cca 2. 7, 2. CZK cca 3. VolnTelekom Austria Czech Republic, bought by Dial Telecom in December 2. CZK cca 2. 7, 1. CZK 3. You can check whether there are LLU offers available on your phone line. The site also estimates the maximum attainable speed on your line. DenmarkeditAll major DSL providers in Denmark offers ADSL2, including Telia. Sonera, TDC, Telenor, Fullrate, and Perspektiv Bredbnd. As of 2. 00. 7, approximately 9. Mbits is available in and around the cities, that is not classified as villages or smaller. TDC provides triple play. EstoniaeditADSL2 together with a triple play solution is deployed on a large scale by Elion Enterprises Limited. Download speeds are, depending on package, up to 1. Mbits 8 Mbits when watching DTV and upload speeds are up to 1 Mbits. A map detailing the availability of ADSL2 has been made available. ADSL2 is also offered by Elisa Eesti AS. Speeds range from 5 Mbits to 2. Mbits. FinlandeditADSL2 and triple play solutions are offered by the major DSL providers including Elisa Oyj and Telia. Sonera in certain areas. Usually maximum download speed when using ADSL2 is 2. Mbits and upload speed 1 Mbits. Bengali Story Books Feluda. Also Nebula, Suomi. Com, DNA, KPO, JNT, Finnet and many other ISPs provide ADSL2 connections. ADSL2 and triple play solutions are offered by the major DSL providers including Orange, SFR, Free and Bouygues Telecom except in some rural areas. Usually maximum download speed when using ADSL2 is 2. Mbits and upload speed 1 Mbits.