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Topic: 56K

	Seanet - Seanet - 56k Connectivity
		56K modems were designed to take advantage of the digital portions of the phone network and of the fact that while analog-to-digital conversions are affected by quantization noise, digital-to-analog conversions are not.
		Although the phone network is increasingly digital, the portion of the network which connects homes to the CO is the slowest portion of the network to convert to digital and will probably remain analog for quite awhile.
		The frustrating thing about 56K connectivity is the fact that so much of what can impact the ability to achieve it are factors that an individual has no control over.
	www.seanet.com /help/dial/56k.shtml (1255 words)

	The 56k Conundrum (Sonic.net, Inc.)
		Ideally, a 56k modem operating under any protocol should be able to attempt to connect at the highest possible speeds, negotiating down to slower speeds as much as is necessary to achieve a stable connection.
		In actuality many 56k modems are not good at reverting to slower protocols; they insist upon trying to transfer data with their higher rates, even if they have to do it slowly.
		If you use a 56k modem and do not seem to be able to achieve speeds above 33.6 kbps, then the modem is probably not able to achieve higher speeds for one or more of the reasons discussed earlier and is falling back to the slower, more stable v.34 standard.
	www.sonic.net /support/56k/56kprobs.shtml (5300 words)

	MNSi - Help Desk - 56k Modem Information
		56k modems achieve their speed by avoiding a conversion from digital to analog lines in the connection between user and service provider.
		56k connections begin analog, are converted to digital and are not converted back to analog at the service provider.
		For many home users, 56k Internet access is fast enough to provide for all of their surfing needs.
	www.mnsi.net /helpdesk/56k.html (641 words)

	56k Modems
		56k modems remove the quantization noise problem by generating digital signals instead of analog tones, so that the converters in the switching office are bypassed or only a single analog-to-digital converter is used, and less noise is introduced.
		The sole limitation with the 56k modem system is that both ends of the line have to be able to handle digital signals without conversion to analog.
		You could not use a 56k modem to connect to an older V.34 modem and expect to retain the higher speed, for example.
	www.tpci.com /56k_modems.htm (1710 words)

	56k Internet Access
		The new 56K modem technology is one of the most talked about datacomm advances in recent history simply because it promises to double the speeds and throughput of todayís V.34 modems.
		The new 56K modem technology doesnít violate this limit because the data communications is not between two modems but between a modem and a digital ISP system which creates a reduced-noise link environment.
		Now we have modem makers throwing 56K modem technology modems at the public before a standard is set, while two distinct technologies are at odds, and while a basic understanding of what the higher speed can and cannot do is largely absent.
	www.state.net /MNonline/res/56k.html (4069 words)

	56K Modem (Site not responding. Last check: 2007-10-13)
		Strictly speaking, 56K modems are already hybrids: to achieve their high download speeds, they transmit digitally to the central office of the end user's telephone service provider.
		A multiplexed arrangement produces too much noise for a 56K connection.) Because the signal must be clean, the customer's equipment can't be too far from the phone company's central office—no more than a mile or two.
		56K modem technology is much like lower speed modem technology in some ways, and it is fraught with problems and dangers in other ways.
	northonline.sccd.ctc.edu /dogs/EET131/56KModem.htm (1266 words)

	56K.COM: 56K Modem Troubleshooting Guide: Help with slow connects
		As explained in the Basics section of the 56K Primer, multiple digital/analog conversions will prevent the use of 56K technology and limit your modem to V.34 speeds (a maximum of 33.6K).
		The fact that your modem can connect at 56K speeds to a long distance number is no guarantee that the same is true of local numbers, and vice versa.
		V.34 and 56K modems can and do shift their speeds up and down during the course of the call to respond to changing line conditions.
	www.56k.com /trouble/connect.shtml (2150 words)

	No Hype 56k Modem Page
		Real world connection speeds are under 56k (but often better than 33.6).
		56k speed is for downloads only; uploads limited to 33.6kbps.
		But the whole issue of download speed reducing upload speed (point 5) can make remote access with a 56k modem less efficient than with a 33.6 modem even if it is a local call and you have a receiver modem.
	www.lowendmac.com /56k/hype.shtml (2633 words)

	OWT 56K Modem Services
		The digital 56k server experiences none of the telephone line impairments generally associated with analog modems, and it can transmit data at the highest possible 56k connect rates.
		Client 56k modems must be intelligent enough to differentiate between the maximum signal levels (up to 255 discrete levels) of a 56k 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.
		For all of these reasons, it is the client 56k modem that ultimately determines the maximum downstream connect speed.
	www.owt.com /k56flex (1379 words)

	56K modem - Wikipedia, the free encyclopedia
		56K modems are analog modems capable of speeds near 56 kbit/s when connecting to a service that has a digital connection to the phone network.
		It is important to note that this technique cannot be used between two 56K modems and that when two 56K modems connect they will revert to slower standard analog methods.
		Today, the 56k modem has become obsolete yet remains highly in use due to the fact that a large portion of the United States remains without highspeed Internet service.
	en.wikipedia.org /wiki/56K (174 words)

	56K Modem Technology Issues
		56K Technology is the term used to describe the two modem technologies that attempt to transfer data at a rate of 56K bps, the fastest rate available for ordinary phone lines.
		With 56K modems, users can attempt to transmit data at a faster rate approaching 56K over existing phone lines, making it easier to download large files.
		This means that a 56K modem customer will be able to find an Papyrus's product compatible with their current internet service, once their ISP or online service decides which technology to adopt.
	www.papyrus.co.il /FAQ/56k_modem_technology_issues.htm (477 words)

	56k Modems
		56k modems usually connect at speeds around 42-48kbps on normal Ridgecrest telephone lines.
		Cablemodem subscribers will not see any enhancement in speed because the 56k only effects download speeds and cablemodem subscribers already have a 4,000kbps download speed through the cable system.
		This tone is used by 56k modems but can confuse 33.6 or slower modems.
	www.ridgenet.net /help/56k.html (472 words)

	MobileSURFR 56K FAQs (Site not responding. Last check: 2007-10-13)
		K56flex is a technology that enables data to be passed over standard telephone lines in a new way to give you download results similar to results you might expect using ISDN/T1 lines – but at a fraction of the cost.
		This modem is designed for mobile computer users who would like to be able to download files from the Internet at speeds up to 56 kbps and fax data at speeds up to 14.4 kbps -- just as if they were using a desktop computer.
		The MobileSURFR 56K comes from a long line of mobile products that are recognized worldwide for their innovative design and superior quality.
	www.motorola.com /discontinuedmodems/files/mobilesurfr/faqs.html (1033 words)

	Zoom Telephonics: Zoom Comstar 56K Speakerphone/FaxModem
		The Zoom ComStar 56K Model 2818 for PC-compatible computers combines a full-featured V.34 modem capable of 56,000 Kbps Internet and central site downloads with a powerful voice mail system, digital answering machine, 14,400 bps fax, convenient speed dialer, and a synchronous interface supporting the ITU H.324 videophone technology standard.
		ComStar 56K (internal) Model 2818 for PC-compatible computers is a high-speed V.34 faxmodem that can download data from compatible sites at speeds up to 56,000 bps and at higher speeds with compression for fast Internet and LAN access.
		ComStar 56K is built in the U.S.A. by Zoom Telephonics, Inc., a leading supplier of telecommunications equipment since 1977 and is backed by Zoom's outstanding 7-year warranty.
	www.zoomtel.com /datasheets/comstar56k.html (732 words)

	Cape.Computing: Modem Tuning - Connecting But Not At 56K?
		If you are not sure what the 56K local access number is in your area, or you need help to change the number, see Cape.Com Local Access Numbers.
		This can only happen when there is only one analog section in the phone network along the path of the call between your modem and our modems; this can be different for two houses in the same neighborhood, and even in two phone lines in the same house.
		If you see: "This connection supports 56K* technology!" then your phone lines will allow you to make 56K connections.Because line conditions may change from call to call, we recommend you try the test more than once.
	www.cape.com /sqerl/docs/computing102-135.ccml (951 words)

	56k Technologies (Site not responding. Last check: 2007-10-13)
		Since 56k technology depends on only one analog/digital conversion in the path between you and your ISP rather than the 2 conversions normally encountered.
		The FCC is preventing true 56k connections and are limiting connections to 52k.
		The use of "X2" when refering to "56k" technology is incorrect in that it refers to only one manufacturers (USRobotics) proprietary version of the the emerging 56k technology.
	www.wt.net /56k.shtml (599 words)

	About 56k Modems - Net Access Corporation
		When 56k modems first came on the market, there were two competing 'standards.' US Robotics created a modem protocol called X2, and Lucent/Rockwell developed K56Flex.
		If you had one kind of modem and your ISP chose to support the other, you were unable to connect at speeds over 33.6k, and there were likely to be other problems with compatibility.
		56k modems are not a cure all for poor connections.
	www.nac.net /56k.asp (1171 words)

	56K Dial Access Linux Friendly! ISDN, Shells, USA & Canada
		56K or 112K dial access includes, Shell access, E-mail, 2-mail lists, Usenet News, web hosting with CGI and SSL, FTP hosting, and two IRC bots.
		Dial access plan A, B, C and E are all single channel 56k dial access.
		A 56k or dual-56k dial access Username and Password will be e-mailed to you at the address specified on your application after successful confirmation.
	www.eskimo.com /services (573 words)

	Xbox online with 56k modem? - Xbox Addict Asylum
		I know the xbox has a broadband modem in it, but does this stop me from using it through 56k.
		If it is possible to get online with a 56k modem, could you please explain how, and what i would need.
		So with a 56K modem, pretty soon, you and that 56K will be occupying the third lot in my GRAVEYARD.
	www.xboxaddict.com /forums/showthread.php?p=91595 (553 words)

	56K Troubleshooting
		If you purchase a 56K modem, you may get great connection speeds right out of the box or you may discover that your telephone line does not support 56K, requiring you to connect at V.34 (28.8 or 33.6 kbps speeds).
		We have witnessed several connection problems for owners of 56K modems who are trying to establish a remote dial-up connection to the University of Denver modem pool.
		Please visit our 56K Data Page for details on discoveries we have made, downloads for common 56K modem drivers (ones that the Help Desk has been distributing), other driver information, Help Desk modem troubleshooting secrets, and other miscellaneous data.
	www.du.edu /uts/helpdesk/56k.html (1401 words)

	Switched 56K Over CT1 RBS
		However when providing switched 56K over a CT1 RBS connection, the DS0s in the access server can be configured to provide either modem or 56 kbps data service.
		Figure 3 shows how switched 56K functionality can be used to forward ISDN BRI network traffic to a Cisco AS5300, which is configured for switched 56K robbed bit signaling over CT1.
		If each switched 56K client were instead a router with a LAN behind it without port address translation (PAT) turned on, then a static address, subnet mask, and route must be configured for each remote end point.
	www.cisco.com /univercd/cc/td/doc/product/software/ios113ed/113t/113t_2/sw56.htm (3639 words)

	JVLNET Internet Services - Support - V.90 & 56K
		These modems may not access JVLNET at 56K today, but will be able to access JVLNET at 56K as soon as you upgrade them to the V.90 release.
		As a matter of fact, there are still many very good 33.6 and 56K modems being sold at very cheap prices right now that can be upgraded to the new V.90 protocol.
		Even if you have the right K56 Flex modem, and you are calling the right JVLNET 56K modem pool phone number, and your local phone company is allowing your phone line to receive data at baud rate speeds greater than 24.4K, you may still not establish a connection with JVLNET at exactly 56K.
	www.jvlnet.com /support/etc/v90.htm (1045 words)

	56K Microcom Modem FAQs
		For the Cisco AS5300, which runs Cisco IOS Release 11.2(9)XA, 11.2(10)P, or higher, the 56K 12-port module uses two modem code images (modem firmware and DSP software) in a single-file format.
		The current 56k hardware is designed to support the ITU 56k modem standard when ratified.
		When upgrading the existing system from V.34 to 56K modems, the DSP code must be downloaded to boot flash and then to the modem as described in the Installing 56K 12-Port Modules in Cisco AS5200 Universal Access Servers publication before K56flex connections are possible.
	www.cisco.com /univercd/cc/td/doc/product/access/acs_serv/5300/sw_conf/sw_ports/4928faq.htm (1610 words)

	56k Dialup (Site not responding. Last check: 2007-10-13)
		This is another reason ISDN and 56k dialup are often confused.
		V.90 is an amalgam of two 56k dialup technologies that preceded it, K56Flex and X2.
		Recent modems, especially the 56k modems, are upgradeable to V.90 without exchanging any hardware.
	www.netheaven.com /56kdialup.shtml (497 words)

	56k – Music at Last.fm (Site not responding. Last check: 2007-10-13)
		56k isn’t yet available to play on Last.fm radio.
		Music Journals on Last.fm You can be the first person to write a journal about 56k.
		If you'd like to add some events for 56k then you can do so on this page.
	www.last.fm /music/56K (328 words)

	Zoom Telephonics: Dualmode Zoom/PC Card 56K FaxModem
		The Dualmode Zoom/PC Card 56K Model 2975 for PC and 56K Model 2876 for Macintosh® can download data from compatible sites at up to 56,000 bps for fast internet and LAN access and provides up to 33,600 bps uncompressed data transmission over conventional phone lines, using the V.34 protocol.
		Both models of the Zoom/PC Card 56K FaxModem come bundled with fax and data software and the PC version is also bundled with a memory saving enabler.
		It incorporates both the V.90 ITU 56K Standard and K56flex™;, the most widely supported non-ITU 56K technology, to achieve download speeds nearly twice as fast as any conventional analog modem.
	www.zoomtel.com /datasheets/pccard-dual.html (948 words)

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