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Topic: RADSL

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Asymmetric Digital Subscriber Line

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	Rate-Adaptive Digital Subscriber Line - Wikipedia, the free encyclopedia
		With RADSL the modem adjusts the upstream speed of the connection depending upon the length and quality of the line between the DCE (Telephone Exchange) and the DTE (Modem), in an attempt to maintain a certain downstream speed.
		When the modem connects using RADSL the upstream bandwidth is adjusted to create a greater frequency band for the downstream traffic.
		RADSL is commonly known in the UK as MaxDSL.
	en.wikipedia.org /wiki/RADSL (177 words)

	Netalliance Products & Services (Site not responding. Last check: 2007-10-03)
		RADSL is 'always on'; there's no dialing, problematic dialing software, or busy signals that modem users are all too familiar with.
		RADSL is an all-digital service implemented through ATM, the worldwide telephony standard for the 21st Century.
		RADSL line charges are billed to you directly by US West, but we handle all the details of ordering of your line and the configuration so that all you need to do is sit back and enjoy.
	www.netalliance.net /prodsvcs/radslnia.html (351 words)

	RADSL Solutions:Call 727-398-5252 for Your Best Source
		RADSL provides the highest possible throughput but for a very limited distance.
		RADSL can be set to a fixed rate or it can automatically optimize to the fastest possible rate best on the distance to the CO. RADSL downstream speeds vary from 640 Kbps to 2.56 Mbps.
		RADSL upstream speeds vary from 272 Kpbs to 1.08 Mbps.
	www.bestdatasource.com /Solutions/RADSL.htm (57 words)

	Configuring the RADSL Voice Splitter
		RADSL operates between the 26 KHz and 1.2 MHz frequency spectrum.
		RADSL voice splitters simply filter out the RADSL data frequency and permit only the voice frequency to reach the central office switch for voice.
		The connection to the RADSL line card of a MAX TNT from the main distribution frame does not require a voice splitter at the central office side because the RADSL line card itself ignores the lower voice frequency spectrum and utilizes only the data spectrum.
	www.hal-pc.org /~ascend/MaxTNT/hwinst/vsplit.htm (467 words)

	[No title]
		RADSL employs the same basic technology as Asymmetric Digital Subscriber Line (ADSL) with the additional ability to monitor loop conditions and automatically adjust the data rate to maximize performance and reach.
		Accordingly, we find that the RADSL (constrained by a 12.5 dBm limit on aggregate power) and G.LITE technologies are equivalent, in terms of limits on power for purposes of Part 68, to the ADSL technology that was approved for the streamlined waiver process of 68.308(e)(1).
		Second, we encourage parties to monitor the performance of these ADSL, RADSL, and G.LITE modems and the networks that serve them, and to gather and share with us information that might be relevant to general harm to the PSTN or cross-talk problems.
	www.fcc.gov /Bureaus/Common_Carrier/Orders/2000/da001653.txt (1298 words)

	Configuring RADSL Cards
		Rate Adaptive Digital Subscriber Line (RADSL) Carrierless Amplitude Phase (CAP) is part of a broad range of Ascend MultiDSL offerings that let you implement DSL technologies immediately.
		RADSL allows the MAX TNT to detect the noise level on the line and automatically adjust the data transfer rate for optimum performance.
		This must be the same as the RADSL nailed group number you configured in the ADSL profile.
	www.hal-pc.org /~ascend/MaxTNT/hwinst/adsl.htm (719 words)

	ADSLguide: RADSL FAQ
		The new RADSL (rate-adaptive) test limits will be automatically used by BT.
		If you have no idea about how to get your attenuation and noise margin figures, take a look at www.kitz.co.uk/adsl/frogstats.htm which is a guide written by one of our forum users.
		RADSL does not affect your choice of hardare.
	www.adslguide.org.uk /qanda.asp?faq=radsl (584 words)

	RADSL - Rate Adaptive Digital Subscriber Line
		Rate Adaptive Digital Subscriber Line (RADSL) is any rate adaptive DSL modem, but may specifically refer to a proprietary modulation standard designed by Globespan Semiconductor.
		In fact, RADSL is able to adapt to these changing conditions as they are happening.
		Rate Adaptive Digital Subscriber Line (RADSL) technology is any rate adaptive DSL modem, but may specifically refer to a proprietary modulation standard designed by Globespan Semiconductor.
	www.auditmypc.com /acronym/RADSL.asp (754 words)

	GlobeSpan Technologies Announces World's Fastest Commercially-Available Internet Access Solution Over Copper Phone Lines
		GlobeSpan RADSL technology offers a significant advance over other DSL implementations because its transmission speed is rate adaptive, adjusting to the length and signal quality of the telephone line.
		RADSL products have the option to select the highest practical operating speed automatically or as specified by the service provider.
		GlobeSpan RADSL technology is based on the same reliable, low-power, field-proven VLSI devices that are used in GlobeSpan CAP-based ADSL, HDSL, and SDSL transceivers.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=105&STORY=/www/story/50824 (656 words)

	Globespan Technologies Slashes RADSL Chipset Price to $44 as it Ships in Commercial Volume
		RADSL is an exciting new modern technology for high-speed Internet access over existing copper phone lines.
		Innovative equipment manufacturers are currently using GlobeSpan RADSL technology as the basis for their new generation of products for Internet access and other broadband services.
		GlobeSpan RADSL transceivers use the same reliable, low- power, field-proven VLSI devices that are in volume production for GlobeSpan ADSL, HDSL, and SDSL transceivers.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=105&STORY=/www/story/50822 (385 words)

	IEC: Spectral Compatibility of Digital Subscriber Line (DSL) Systems
		As with CAP RADSL, the downstream channel is affected most by NEXT from T1 AMI; and the upstream channel is affected most by NEXT from HDSL and 784—kbps SDSL.
		Although the CAP RADSL upstream channel has a slightly greater bandwidth than the DMT upstream, its out-of-band efficiency is greater that the upstream DMT channel defined in T1.413.
		With 50 dB out-of-band attenuation in the CAP RADSL upstream spectrum, the spectral compatibility into the DMT downstream channel is the same as that from the DMT upstream channel.
	www.iec.org /online/tutorials/spectral_compat/topic09.html (886 words)

	[No title]
		RADSL is an asymmetric protocol giving a maximum of 7 megabits/sec downstream and 1 megabit/sec upstream.
		RADSL is called Rate Adaptive because it will automatically adjust itself to find the rate at which it can work.
		Like RADSL, maximum speeds are only obtained on short runs, but they tend to work well over longer distances than RADSL because the work is shared between two pairs.
	www.lightlink.com /cgi/showswem-l.cgi?sn0352.script (1665 words)

	AT&T Paradyne Announces High-Speed Modem Technology
		The technology, called GlobeSpan Rate Adaptive Digital Subscriber Line, or Radsl, is capable of transmitting data at a top speed of 7 megabits per second, fully 400 times the speed of 14.4 kilobits-per-second modems, currently the most commonly used modem.
		While the Digital Subscriber Line technology upon which GlobalSpan Radsl is based has been under development for some time, the GlobeSpan Radsl technology offers a significant improvement over other implementations because its transmission speed can adapt to the quality of the signal on the line.
		But Brackett said that even with the improvements promised by GlobeSpan Radsl and its competitors, it will still be incumbent on the Internet service providers to beef up the performance of their servers before the Internet will become more substantially more efficient.
	partners.nytimes.com /library/cyber/week/0604radsl.html (825 words)

	System Operation and Performance with a Direct Connect Configuration
		CAP RADSL transceivers support one baud rate for establishing upstream payload rate (136 kilobaud), and three baud rates for establishing downstream payload rate (340, 680, and 952 kilobaud).
		These baud rates enable CAP RADSL implementations to support downstream payload rates ranging from 7168 kbps to 640 kbps, and upstream data rates ranging from 1088 kbps to 91 kbps.
		One of the great values of RADSL is that it removes the need for the operator to figure out these values for optimum performance.
	www.cisco.com /univercd/cc/td/doc/product/dsl_prod/vrmgtsw/vr4w/rel240/vrwpo/04wnpo09.htm (3880 words)

	Netalliance Products & Services (Site not responding. Last check: 2007-10-03)
		The xDSL signalling is all digital, and utilizes the ATM (Asynchronous Transfer Mode) protocols that are the worldwide standards for telephony in the 21st century.
		Load coils were commonly used in the past to improve the quality of voice transmission on the lines, and pair gain systems are most common in suburban developments, where many homes are served from a local concentrator device.
		Unlike what you may be accustomed to with analog dialup services and modems, RADSL is a dedicated connection - it's 'always on.' There are no hassles with getting bad quality connections that slow or drop transmissions, or busy signals.
	www.netalliance.net /prodsvcs/radsl2nia.html (614 words)

	Broadband Internet Glossary
		RADSL Broadband (Rate adaptive Digital Subscriber Line Broadband).
		RADSL (Rate adaptive digital subscriber line) allows broadband data services to be carried on conventional copper pair telephone cables, with the rate adapting to the line conditions.
		RADSL Modem (Rate adaptive Digital Subscriber Line Modem).
	www.argospress.com /Resources/broadband-internet/R.htm (361 words)

	Investing In RADSL
		By way of review RADSL is the acronym for Rate Adaptive Digital Subscriber Line.
		This service will supply one megabit (or higher) digital data service over copper lines, and should be available to the general public by the end of 1998.
		Aware Inc. is the smallest of the four companies, but the first to have a RADSL modem available for market that meets the G.Lite standards.
	www.hedge-hog.com /sub/radsl.html (897 words)

	ICNet DSL - Meeting your need for Speed (Site not responding. Last check: 2007-10-03)
		RADSL (Rate Adaptive DSL) provides high-speed internet access over existing copper lines using a DSL modem.
		RADSL transmits at a rate of 256 kbps or greater (packages available up to 2 Mbps) downstream, and 90 kbps or greater (packages available up to 1.1 Mbps) upstream to the internet.
		If you do not qualify for RADSL due to distance restrictions or other technical issues, we may still be able to provide you with IDSL (which provides speeds of 144 kbps both upstream and downstream).
	help.intercom.net /dsl/faq.html (1583 words)

	Broadband-help.com: News - Pipex launch RADSL service
		The PIPEX RADSL service is designed to allow more customers to receive the PIPEX Home Professional service by extending the current range of ADSL from 3.5km to 5.5km.
		RADSL adapts to differing line conditions and distances by adjusting upstream speeds automatically from a maximum of 256Kbps down to a minimum of 64 Kbps.
		The PIPEX RADSL Home Professional service will be charged at the same rate as the ADSL Home Professional service.
	www.broadband-help.com /news/site/broadband-news/141 (661 words)

	Infinity AccessNET DSL Services
		This, more advanced form of DSL, is a digital technology which provides simultaneous voice and high-speed data services over a single pair of existing copper wires.
		We have prepared a DSL Frequently Asked Questions (FAQ), that can answer your questions on RADSL.
		In many cases, RADSL is a better choice than ISDN for many small office networks.
	www.iaxs.net /dsl/home_dsl.html (483 words)

	RADSL Acceptable Use (Site not responding. Last check: 2007-10-03)
		We are excited that so many of you have your RADSL Client access up and running, and are enjoying its speed and convenience.
		You may not setup any kind of server on such a connection, and we do filter certain kinds of traffic for RADSL clients in order to enforce this.
		These filters are not content-based, and also will not interfere with your ability to do NetMeeting, multiplayer gaming, and all the other applications that RADSL makes so successful.
	info.theriver.com /TheRiver/notices/old/n0001.html (183 words)

	IEC: Spectral Compatibility of Digital Subscriber Line (DSL) Systems
		Note that CAP RADSL is a variable bit rate and symbol rate system; hence, the bandwidths of the upstream and downstream channels may vary.
		NEXT from T1 AMI has little affect on the CAP RADSL upstream channel because the bulk of the T1 AMI energy is in the frequency neighborhood of 772 kHz and the T1 crosstalk energy in the upstream frequency band is relatively low.
		The dominant disturber to the CAP RADSL downstream channel is T1 AMI, because its maximum energy is at 772 kHz.
	www.iec.org /online/tutorials/spectral_compat/topic05.html (563 words)

	radsl - OneLook Dictionary Search
		Tip: Click on the first link on a line below to go directly to a page where "radsl" is defined.
		RADSL : BABEL: Computer Oriented Abbreviations and Acronyms [home, info]
		RADSL : Computer Telephony & Electronics Dictionary and Glossary [home, info]
	www.onelook.com /?w=radsl (97 words)

	What Is...DSL and xDSL (Digital Subscriber Line) (a definition)
		IDSL (ISDN DSL) is somewhat of a misnomer since it's really closer to ISDN data rates and service at 128 Kbps than to the much higher rates of ADSL.
		RADSL (Rate-Adaptive DSL) is an ADSL technology from Westell in which software is able to determine the rate at which signals can be transmitted on a given customer phone line and adjust the delivery rate accordingly.
		SDSL (Single-line DSL) is apparently the same thing as HDSL with a single line, carrying 1.544 Mbps (U.S. and Canada) or 2.048 Mbps (Europe) each direction on a duplex line.
	www.provide.net /~wilde/dsl/dsl.htm (2666 words)

	Which is better for gaming? - SpeedGuide.net Broadband Community
		I can only say.....see how close your going to be to your POP, then (if very close) you may want to go RADSL, if not so close (average), then SDSL may be the way.
		You have to look at it in two ways with RADSL you will get 1.5mbps down and 384 up that is good for serving around 8 people in roguespear with no lag, considering you have a good comp with atleast 192mb ram.
		SDSL will be better for serving but you really have nothing on the download, you have to look at it as what are you going to do serve 24/7 you can serve with RADSL and download a hell of alot quicker.
	forums.speedguide.net /showthread.php?t=27123 (529 words)

	Press About Tech 2000
		Tech 2000 is one of only a handful of companies in the world both expert in RADSL and able to transfer knowledge of this leading-edge technology to large workforces in a cost-effective manner.
		Tech 2000 will then identify the most cost-effective training sources, and courses which need to be developed, to teach the technical skills required of network personnel deploying RADSL.
		Besides Tech 2000's RADSL projects, the Herndon, Virginia-based firm is contracted to provide comprehensive training services in Asynchronous Transfer Mode (ATM) technology to Bell Atlantic regional operating center provisioning teams.
	www.t2000inc.com /about/070198.html (376 words)

	WinMag (Site not responding. Last check: 2007-10-03)
		But because Covad is the carrier for both Flashcom and SpeakEasy, I decided to find out from them what the difference was between Flashcom's ADSL and SpeakEasy's RADSL.
		Bottom line, though, RADSL has every chance to be slower than ADSL, but probably more reliable.
		They all say that if your 1.5-Mbps RADSL service winds up being close to 608-kbps service, they will switch you at your option so you'll be paying less money.
	www.winmag.com /columns/broadband/2000/13.htm (1408 words)

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