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	K56flex
		K56flex (originally called the K56Plus) was a modem chipset[?] from Rockwell that gave users the possibility of receiving data on ordinary phone lines at 56 Kbps (thousand bits per second) as opposed to the previous maximum of 33.6 Kbps.
		K56flex was similar to the US Robotics X2[?] chipset.
		After a brief period of competition K56flex and X2 were replaced by the ITU V.90 standard.
	www.ebroadcast.com.au /lookup/encyclopedia/k5/K56flex.html (106 words)

	K56flex - Wikipedia, the free encyclopedia
		K56flex (a combination of Rockwell's K56Plus and Lucent's V.Flex2 proposals) was a proprietary modem chipset from Rockwell and Lucent that gave users the possibility of receiving data on ordinary phone lines at 56 kbit/s as opposed to the previous maximum of 33.6 kbit/s.
		K56flex was similar to, but not compatible with, the US Robotics X2 proprietary modulation method.
		After a format war, K56flex and X2 were replaced by the ITU V.90 standard.
	en.wikipedia.org /wiki/K56flex (175 words)

	Active Communications - Modem Internet FAQ
		K56flex technology allows a PC user to connect to an Internet Service Provider and receive Web page downloads and other information at as much as twice the speed possible with previous modem technology, under optimal line conditions.
		The most important benefit of Rockwell's K56flex technology is that it provides the most choices and the opportunity for the consumer to choose among vendors.
		Second, K56flex is the technology of choice among ISP equipment suppliers who have built the overwhelming majority of the world's Internet access infrastructure.
	www.activecom.net /support/faq/k56flex.shtml (1575 words)

	56K Flex Modem FAQ
		K56flex modems will, however, fall back to a V.34 connection if the other modem is not a K56flex modem.
		K56flex technology takes advantage of having direct access to the digital telephone network at one end of a connection.
		K56flex modems will automatically detect the capabilities of a remote modem and "automode" to the capability of the remote modem.
	www.winbookcorp.com /_technote/WBTA00000423.htm (779 words)

	K56Flex Information (Site not responding. Last check: 2007-09-10)
		K56Flex has released this informational fact sheet as well as a QandA sheet to us and we would like to post it up for your information.
		But K56flex technology makes a different assumption: that one end of the modem conversation has a pure-digital connection to the phone network (which ISPs and corporations already use for remote access) and takes advantage of that high speed digital connection.
		K56flex modems are ideal for serious Internet users, because you can really use the increased speed for downloading those multimedia Web pages with audio, video and other large files.
	www.wt.net /56flex.shtml (1799 words)

	56K Terminolgy
		Because of the different technology employed by K56flex, the 56K rate is obtainable under certain conditions where as the under current conditions, the x2 technology may only sustain 53K rat.
		K56flex technology was designed around this premise of less conversions = less noise = faster speeds.
		The K56flex technology is compatible with previous communication standards like ITU V.34, which means that whenever high-speed communication is not possible, the connection can be established via V.34.
	www.txol.net /services/internet/56kterms.html (1053 words)

	Zoom Telephonics: Zoom® Ships K56flex™ FaxModems with Programmable DSPs
		K56flex is supported by modem chipmakers Rockwell and Lucent, who together have approximately 70 percent of the worldwide modem chip market.
		K56flex is also backed by central site equipment manufacturers representing about 70% of the installed base of central site modem ports, including Ascend Communications, Bay Networks, Cascade Communications, Cisco Systems, Compaq Computer, Digital Equipment, Livingston Enterprises, Microcom, Shiva, 3COM, and others.
		Zoom will focus its shipments and marketing efforts on the most advanced K56flex technology, which has a DSP that is updated from flash memory instead of being "hard-coded." This means that all modem code, both DSP code and Controller code, can be easily modified by the user with simple software commands without touching the modem.
	www.zoom.com /about/news97_08.html (585 words)

	Technical Services -- ACF Upgrades to 56K Modems
		K56flex refers to a particular method of packaging data so it can be transferred over telephone lines.
		On average, the connection speed from a K56flex modem to an upgraded ACF modem was 40K, though rates as high as 52K were recorded.
		If you are looking to purchase a 56K modem before the ITU standard is issued, choosing between the K56flex protocol and the x2 protocol is less important than choosing a modem manufacturer with a good reputation and a solid upgrade policy.
	www.nyu.edu /its/pubs/connect/archives/98spring/whitneymodems.html (755 words)

	K56flex - a Whatis.com definition
		Rockwell Corporation's K56flex modem chipset gave users the capability to receive data on ordinary phone lines at 56 Kbps (thousand bits per second).
		K56flex was similar in capability to US Robotics' x2 modem and transmission technology.
		K56flex and X2 contributed to and were replaced by the
	whatis.techtarget.com /gDefinition/0,294236,sid44_gci212432,00.html (292 words)

	al.com Presents: The Web Don
		K56Flex, x2's competitor in the proprietary 56 Kbps market, is supplied by two major vendors: Lucent Technologies (the former telecommunications division of Bell Labs) and Rockwell.
		K56Flex is used in client side modems by Hayes, Zoom, and Boca, as well as in server side equipment such as Ascend Communication's MAX and TNT units installed at many major ISPs.
		This means that K56Flex users who upgrade to V.90 will have to wait on their ISPs to upgrade as well.
	www.al.com /technology/djackson/v90.html (1898 words)

	What is K56flex (Site not responding. Last check: 2007-09-10)
		K56flex™ is a new modem technology that enables Internet connections at rates up to 56Kbps™ over standard telephone lines.
		Please note that your K56flex™ modem must be connected to an ISP (Internet Service Provider) or corporate site using K56flex technology over digital connection to the network in order to make you realise the increase in speed.
		But the K56flex technology makes a different assumption: that one end of the modem conversation has a pure-digital connection to the telephone network (which ISP’s and corporations already use for remote access) and takes advantage of that high speed digital connection.
	www.eicon.com /support/helpweb/lasat/manuals/int/k56v90/K56flex.htm (254 words)

	Information for K56flex Users at Brazosport College
		K56flex is one of two competing 56k protocols.
		K56flex was developed by a consortium of modem and remote access server vendors.
		Since K56flex is being implemented by the vast majority of modem and remote access server manufacturers, the only prudent choice for the college is to concentrate on the K56flex protocol.
	www.brazosport.cc.tx.us /k56flex.html (1457 words)

	K56Flex Tips
		Most K56Flex modems are based on the Rockwell chipset.
		We will reach that point with V.90, probably as quickly as we did with V.34 (the 28.8k modem standard), but right now 56k dialup is at the leading edge, where making your modem work its best - or sometimes even work at all - means twiddling with its adjustments and the software that drives it.
		All K56Flex modems are built using one of two chipsets, one from Lucent Technologies and the other from Rockwell Semiconductor Systems.
	www.netheaven.com /k56flex.shtml (944 words)

	56K Faq
		When a 56K standard has been implemented (estimated next year) all modem owners, K56Flex and X2 will need to upgrade to the new standard to ensure connections using the new 56K standard.
		A: 56K technology (be it X2 or K56Flex) is limited by current FCC regulations saying that the amount of electrical power on phone lines can not exceed a certain limit.
		K56Flex technology, in addition to the version information depends on the customer going only through one analog to digital conversion on the way to AceWeb (or any ISP).
	www.aceweb.net /html/56k_faq.html (439 words)

	Help With Your Modem - PTCI
		This means that if you have a K56flex or an X2 modem, you will be able to connect (theoretically) at speeds up to 56K.
		K56flex "V.90" compliant modems will continue to deliver all the advantages of faster web browsing plus the ability to interoperate among various other 56K technology modems such as the US Robotics X2 modem.
		If you live in Balko or Bryans Corner and have a K56flex modem, "V.90" modem, or an X2 modem you should be able to connect at speeds up to 33.6.
	www.ptsi.net /helpwithyourmodem.php (900 words)

	What is K56flex? - A Word Definition From the Webopedia Computer Dictionary
		It was long believed that the maximum data transmission rate over copper telephone wires was 33.6 Kbps, but K56flex achieves higher rates by taking advantage of the fact that most phone switching stations are connected by high-speed digital lines.
		K56flex bypasses the normal digital-to-analog conversion and sends the digital data over the telephone wires directly to your modem where it is decoded.
		Lucent and Rockwell have announced that future K56flex modems will conform to the new V.90 standard approved by the ITU.
	www.webopedia.com /TERM/K/K56flex.html (295 words)

	56K.COM: V.90 Upgrade FAQ
		It only applies to K56flex modems that have been upgraded to V.90 with software, and is caused by limited memory in the modem.
		The reason for this is because the original reference design (and the single chip RCxxx56ACF/xx chipset) supplied by Rockwell to modem manufacturers for K56flex, incorporated 1 meg flash EEPROMs, as the chipset used was limited by the memory it could access.
		K56flex, being the highly complex code that it is, takes almost all of the 1 meg flash EEPROM, and therefore there is no further room for extended code expansion (such as V.90 implementation).
	www.56k.com /buyer/v90upfaq.shtml (1546 words)

	TechWeb: The Business Technology Network (Site not responding. Last check: 2007-09-10)
		Millions of dollars in lost sales, if K56flex modem manufacturers can't boost the number of supported Internet access ports soon -- or the public catches on to what one modem manufacturer called "weasel-wording," and opts for more instant gratification with x2 devices.
		Remotes will communicate with headquarters using a combination of virtual private networking (tunneling) and 56K access in as many as 32 cities across the United States, according to one employee who spoke on condition his group not be identified.
		And though x2 support is limited, they found K56flex support to be virtually nonexistent in some areas.
	www.techweb.com /wire/news/1997/10/1006modem.html (633 words)

	K56Flex FAQ
		To determine if a client-modem is K56flex operational, a user can place the modem in the command mode and communicate directly with the modem using the AT command syntax.
		This optimization actually impedes data traffic, and client K56flex modems must now be responsible for compensating for the telco's human speech optimization of a voice call.
		Client K56flex modems must be intelligent enough to differentiate between the maximum signal levels (up to 255 discrete levels) of a K56flex connection, synchronize with the local telco switch, compensate for digital loss, determine if voice PADs are present, and handle whatever noise is present on the phone line.
	www.netlabs.net /mo/k56faq.htm (529 words)

	Why UB chose K56Flex
		The most important thing to keep in mind is that all of the major modem manufacturers will provide free firmware (software) upgrades to the ITU standard once it is ratified....so this should all become insignificant once a standard is decided on.
		The standard will be an incorporation of both X2 and K56Flex, so ALL 56kbps modems will have to be upgraded once a standard is ratified.
		K56Flex modems tend to have more reliable connections over noisy phone lines, and negotiate slightly higher connect rates.
	www.oss.buffalo.edu /Network/Dialin/whyk56.html (395 words)

	Zoltrix, Inc. 56K V.90 Questions and Answers (Site not responding. Last check: 2007-09-10)
		If you are still having problems connecting at V.90 or K56Flex rates, you can refer to the AT command manual for your model, (found on the modem drivers page for your model), to try forcing a specific connect rate or mode with dual mode modems supporting both V.90 and K56Flex.
		K56flex is used in more than 65 percent of the world's ISP ports, and Rockwell is now working closely with leading ISP equipment manufacturers including Ascend, Cisco and Shiva to provide the necessary software to upgrade these ports to V.90.
		The V.90 and K56flex technology is uniquely designed for home-to-ISP connections with the condition that one end (typically ISP site) has digital access to the telephone network and the other end (typically end-user) connects to an analog phone line.
	www.zoltrix.com /support_html/modem/V90-QA.HTM (1798 words)

	Sympatico Help:
		K56flex is supported in Manitoba (MTS), Prince Edward Island and Newfoundland and Labrador (NewTel).
		The Sympatico service is committed to providing our members with fast, reliable Internet service and the implementation of K56flex technology provides our members with analog connections of up to 53 Kbps.
		Even though K56flex is a competitor to U.S.R.'s x2 technology, you can use U.S. Robotics' LineTest to test your phone line for use at speeds close to 56 Kbps.
	www.bc.sympatico.ca /help/Learn/FAQ/K56flex.html (198 words)

	K56Flex Connection
		This allows users who have K56Flex compatible modems to connect to the Internet at higher speeds compared to the Industry standard of 28.8Kbs and 33.6Kbs.
		K56Flex is the technology that was developed jointly by Rockwell and
		Yes, as of now there is no set date for a standard, but when a standard does get ratified by the ITU-T, then all 56k modems(once upgraded) will be able to inter-operate with each other.
	www.monmouth.com /monmouth_internet/k56flex.html (240 words)

	56k FAQ(Frequently Asked Quiestions) (Site not responding. Last check: 2007-09-10)
		This optimization actually impedes data traffic, and client K56flex modems must now be responsible for compensating fo r the telco's human speech optimization of a voice call.
		Client K56flex modems must be intelligent enough to differentiate between the maximum signal levels (up to 255 discrete levels) of a K56flex connection, synchronize with the local telco switch, comp ensate for digital loss, determine if voice PADs are present, and handle whatever noise is present on the phone line.
		To determine if a modem is K56flex operational, a user can place the modem in the command mode and communicate directly with the modem using the AT command syntax.
	www.blast.net /FAQ/56FAQ.html (1560 words)

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