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- Path: news.aimnet.com!news
- From: JNavas@NavasGrp.com (John Navas)
- Newsgroups: comp.dcom.modems
- Subject: The Navas 28800 Modem FAQ - 4/6
- Date: Sun, 21 Apr 1996 17:28:13 GMT
- Organization: The Navas Group of Dublin, CA, USA
- Message-ID: <317a701b.62019688@news.aimnet.com>
- NNTP-Posting-Host: dial-bp1-2.iway.aimnet.com
- X-Newsreader: Forte Free Agent 1.1/16.198
-
- <<cont>>
-
- What are "cable modems?" [updated 3/29/96]
-
-
-
- So-called "cable modems" are devices which provide computer connectivity
- to and through a cable TV system. Despite a lot of hype, the technology is
- still experimental and the prospects are uncertain. One of several major
- problem is that many cable systems are not able to handle large incoming,
- as opposed to the more normal outgoing, bandwidth. Contact your local cable
- TV company for more information. See also:
-
-
-
- @Home Network[412]
-
- "The Bandwidth Tidal Wave[413]"
-
- "Building The Data High Way[414]" (Byte)
-
- "Cable Modems[415]"
-
- "Cable-modems make the scene[416]"
-
- "Cable Modem Access Moves Up to 30Mbps[417]"
-
- COGECO Cable[418] (Canada) [new 3/29/96]
-
- "Cybercable Is Coming. Who You Gonna Call?[419]"
-
- Intel CablePort (tm) Adapter[420]
-
- "The Internet Comes to Cable[421]" (PC Magazine)
-
- "Jones Intercable Chooses ANS for Internet Trial[422]"
-
- "The Looming Cable Modem Fiasco[423]" (John C. Dvorak)
-
- Cable Modems: Gold Mine or Fiasco?[424] (response to Dvorak)
-
- "Making the connection[425]"
-
- Motorola CableComm FAQ[426]
-
- "Needed: A Digital Weatherman[427]" (PC Magazine)
-
- "OTV Cablevision[428]"
-
- PC Magazine Newswatch -- 7/6/95[429]
-
- Rogers WAVE(tm)[430]
-
- "TCI Pumps $125 million into Microsoft Network[431]"
-
- "TW Jumps On High-Speed Info Bandwagon[432]"
-
- "Time Warner starts test of high speed on-line computer service[433]"
-
- "A wire is a wire is a wire is a wire[434]"
-
- "Zenith HomeWorks[435]"
-
- "Zenith Introduces Cable TV Modem[436]"
-
-
-
- Other "cable modem" resources on the Internet. (Note: This author cannot
- vouch for the accuracy of these resources.)
-
-
-
- Bob's cable modems[437]
-
- Cable Modem Resources on the Web[438]
-
- Internet Access via Cable Modems[439]
-
- Sam Churchill's[440]:
-
- Cable Modem Trials[441]
-
- Interactive Cable Guide[442]
-
-
-
- Button[443] [Return to top[444]]
- ___________________________________
-
-
- What are ADSL, SDSL, and HDSL?
-
-
-
- UNDER CONSTRUCTION -- PLEASE BE PATIENT.
-
-
-
- ADSL (asymmetric-digital-subscriber-line), SDSL
- (symmetric-digital-subscriber-line), and HDSL (high-bit-rate, digital
- subscriber line) are new telco technologies that have the potential to blow
- ISDN[445] away. See:
-
-
-
- ADSL[446] (paper)
-
- ADSL[447] (Goldstar)
-
- "ADSL - a concept for high-speed transmission on copper lines[448]"
-
- "ADSL Chipset Sends 8 Mbps Down Phone Line[449]" (Analog Devices)
-
- ADSL Forum[450]
-
- "Asymmetric Digital Subscriber Line[451]" (Motorola)
-
- "AT&T modem handles TV, 6 Mbit Internet access on copper wire[452]"
-
- AT&T Paradyne GlobeSpan Technologies[453]
-
- "AT&T Paradyne unveils powerful multimedia 'modern modem'[454]"
-
- "AT&T Paradyne VideoSpan can put video onto copper networks[455]"
-
- "Building The Data High Way[456]" (Byte)
-
- Dan Kegel's ADSL Page[457]
-
- "Needed: A Digital Weatherman[458]" (PC Magazine)
-
- "Pairgain introduces products to deliver high-speed data and internet
- access to the home[459]" (press release)
-
-
-
- Button[460] [Return to top[461]]
- ___________________________________
-
-
- Any Windows 95 tips? What is TAPI? What is Plug and Play? [updated 4/11/96]
-
-
-
- UNDER CONSTRUCTION -- PLEASE BE PATIENT.
-
-
-
-
-
- Connection Statistics
- If you have a USR modem and want to access your ATI6
- Link Diagnostics (see "Any other USRobotics
- tips?[462]") for a dialup TCP/IP session, do the
- following:
- 1. Run "REGEDIT" to launch the Registry Editor.
- 2. Find the entry for your modem, which should be something like:
- HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\Modem\0000
- (If you have more than one modem, the number may be 0001, 0002, etc.)
- 3. Change the "Reset" value, which will probably be "ATZ<cr>" or
- "ATZ4<cr>", to "AT&F<cr>" or "AT&F1<cr>"
- respectively.
- 4. After disconnecting from a dialup TCP/IP session, open a HyperTerminal
- direct connection session to your modem, type "ATI6"
- (no quotes), and press the <Enter> key. (What you type
- may not be echoed to the screen, but the ATI6 output
- should appear.)
-
- Delrina[463] CommSuite for Windows 95 [new 3/1/96]
- While providing a rich feature set, this product,
- including WinFax PRO 7.0 and WinComm PRO 7.0,
- suffered in its first release from excessive memory
- requirements, poor performance (even on fast
- systems), modem compatibility problems (particularly
- with USRobotics modems), and bugs. The Maintenance
- Release corrects many (although not all) of those
- problems -- be sure to get it.
-
- Dial-Up SLIP and Scripting Support[464] [new 4/11/96]
- Adds SLIP and scripting capabilities to the basic PPP
- support in Windows 95 Dial-Up Networking. Part of the
- Windows 95 on CD-ROM Extras[465].
-
- Freeware/Shareware for Dial-Up Networking [new 4/11/96]
- Dunce[466]: Dial-Up Networking Connection Enhancement
- Keep Going[467]: skips the dial-up Connect dialog box.
- RoboDUN[468]: alternative to Microsoft scripting[469].
- RASPlus[470]: "Hands free" Internet connection.
- RTVReco[471]: automatically re-establish dropped connections.
-
- HyperTerminal PE[472]
- HyperTerminal Personal Edition, an upgrade to Windows
- 95 HyperTerminal that provides improvements
- (auto-redial on busy and ZMODEM Crash Recovery) as
- well as bug fixes, is available from Hilgraeve at no
- charge.
-
- Internet Explorer[473] [updated 4/11/96]
- Download the latest version of Microsoft's World Wide
- Web browser. Note: Installing Internet Explorer will
- give you auto-dial support for Windows 95 Dial-Up
- Networking with all 32-bit (but not 16-bit) Winsock
- applications. You can then uninstall Internet
- Explorer without losing auto-dial support if you
- prefer another browser.
-
- ISDN Accelerator Pack[474] [new 4/9/96]
- Enables Windows 95 to make Dial-up Network connections
- over ISDN lines.
-
- Plug and Play[475] Windows 95 supports "Plug and Play," a standard that
- makes it possible for the operating system to
- automatically detect and configure most peripheral
- devices. Plug and Play modems are available from
- USRobotics[476] and Supra[477].
-
- Service Pack[478] [new 4/11/96]
- Various fixes and improvements have been collected by
- Microsoft into the first Service Pack. Highly
- recommended.
-
- TAPI TAPI (Telephony Application Programming Interface) is
- an architecture being developed by Microsoft to bring
- order out of the past chaos in comm software and
- modem interaction. "TAPI compliant" applications rely
- on new standard Windows services (provided by the
- Unimodem driver/provider) rather than controlling the
- modem directly, which makes it possible for multiple
- comm applications to share the same modem. With a
- proper modem INF file and a sufficiently capable
- modem, separate data, fax, and voice applications
- could be "registered" with TAPI (once Microsoft's
- implementation is complete) such that an incoming
- call is automatically connected to the right
- application. (See "How can I use a single phone for
- fax/data/voice?[479]") TAPI is being developed first
- for Windows 95, with Windows NT to follow. TAPI
- information for developers[480] is available on the
- Internet. [updated 4/11/96]
-
- Telephony Location Selector[481] [new 4/11/96]
- For mobile users, provides an easy way to change your
- location for telephony applications (e.g., Windows 95
- Dial-Up Networking). Part of the Microsoft Power
- Toys[482].
-
- Unimodem V[483] "Unimodem V is Microsoft's newest release of
- Unimodem, the Windows universal modem
- driver/telephony service provider for data/fax
- modems. Unimodem V provides the driver support that
- sits between telephony applications and voice modems
- and allows them to work together. This driver adds
- the most-requested features to support data/fax/voice
- modems, including wave playback and record to/from
- the phone line, wave playback and record to/from the
- handset, and support for speakerphone, Caller ID,
- distinctive ringing, and call forwarding." [Quote
- from Microsoft] Unimodem is TAPI-complaint. At
- initial release, Unimodem V supports the following
- modems:
- Aztech[484] Systems
- Cirrus Logic[485]
- Compaq[486] Presario[487] models 520, 720, 820, and 920
- Compaq[488] Presario[489] wave driver and wrapper
- Creative Labs[490] Phone Blaster[491]
- Diamond Multimedia[492] TeleCommander 2500[493]
- Logicode[494] 14.4 data/fax/voice PCMCIA[495]
- Rockwell[496] PCMCIA reference design
-
- Updated Drivers[497] [updated 4/9/96]
- Audio[498]
- CD-ROM[499]
- Display[500]
- IrDA (Infrared Driver)[501]
- ISDN Accelerator Pack[502]
- Modem (Microsoft)[503]
- Mouse[504]
- Network[505]
- Other[506]
- Pointer[507]
- Printers[508]
- Storage[509]
- Unimodem V[510]
- UPS[511]
-
-
-
- Button[512] [Return to top[513]]
- ___________________________________
-
-
- Any other sources of related information?
-
-
-
-
-
- American National Standards Institute[514] (ANSI)
-
- Committee T1 Telecommunications[515]
-
- Communications Week[516] (magazine)
-
- comp.dcom.fax FAQ[517] (Frequently Asked Questions about Fax)
-
- DataComm-US[518]
-
- Electronic Engineering Times[519] (magazine)
-
- Federal Communications Commission[520] (FCC)
-
- Glossary of Telecommunication Terms[521] (FS-1037C)
-
- IEEE Communications Society[522]
-
- IEEE Standards[523]
-
- Information Infrastructure Task Force[524] (IITF)
-
- International Communications Industries Association[525] (ICIA)
-
- International Organization for Standardization[526] (ISO)
-
- International Telecommunication Union[527] (ITU, home of the V.nn
- standards)
-
- National Telecommunications and Information Administration[528] (NTIA,
- part of U.S. Department of Commerce)
-
- Telecom Information Resources[529]
-
- Telecommunications legislation[530]
-
- Usenet[531] (newsgroups)
-
-
-
- Button[532] [Return to top[533]]
- ___________________________________
-
-
- How can I connect my modem to a digital phone system?
-
-
-
- Your modem won't work on the kind of digital phone that you typically
- find in businesses and hotel rooms, and it can be hard to find a standard
- phone jack when you need one. There are a number of devices on the market
- to solve the problem. Typically you have to disconnect the handset from a
- digital phone, plug the handset into the device, and then plug the device
- into the handset jack on the phone. Then you connect your modem to the
- device with a standard phone cord.
-
- The author gives a qualified recommendation to the Digital Phone System
- Enabler, available from IBM PC Direct[534] for US$105. (Hardware products
- like the Digital Phone System Enabler are not on the IBM PC Direct Web
- page. Call 800/426-2968 or 919/517-2430 and ask for part number 92G7519.)
- The product can be powered by a 9v battery or from an AC power adapter,
- both of which are included. (The biggest weakness of the Digital Phone
- System Enabler is that, like other similar products, you have to experiment
- with a non-intuitive 4-position switch.)
-
- Button[535] [Return to top[536]]
- ___________________________________
-
-
- What modem initialization string should I use?
-
-
-
- The best source for modem initialization strings is the documentation
- that came with your modem, or other information provided by your modem
- manufacturer. Many comm apps are another good source because they come with
- recommended initialization strings. Otherwise you may want to check Ask Mr.
- Modem[537]. (Note: This author cannot vouch for the accuracy of Ask Mr.
- Modem.)
-
- Button[538] [Return to top[539]]
- ___________________________________
-
-
- Where can I get information on my Rockwell-based modem? [updated 4/11/96]
-
-
-
- The best source for information is of course the modem manufacturer[540].
-
- Generic information is available from Rockwell International[541].
-
- "RPI" (ROCKWELL PROTOCOL INTERFACE)
-
-
-
- The author advises against the purchase of any RPI modem. RPI uses your
- system processor, rather than a processor in the modem, to implement
- protocols. This requires special software support, which may well not be
- available for your favorite comm app.
-
-
-
- Rockwell propaganda:
-
- The RPI FAQ[542]
-
- V.42bis and MNP5 for Less Using RPI[543]
-
- Rockwell's generic WINRPI drivers[544] for Windows 3.x and Windows 95.
- [updated 4/11/96]
-
- List of comm apps that support RPI[545]
-
-
-
- Button[546] [Return to top[547]]
- ___________________________________
-
-
- What about magazine reviews?
-
-
-
- Take magazine modem reviews with a grain of salt -- few if any magazines
- perform the kind of thorough interoperability and real-world tests that are
- needed to properly compare modems.
-
- Note that the apparently diverse computer magazine publishing field is
- actually dominated by a relatively small number of publishers, particularly
- Ziff Davis[548]. Reviews from different magazines owned by the same
- publisher tend to have a shared editorial bias, if for no other reason than
- that testing is often done by a shared facility (e.g., ZD Labs[549]). The
- publisher is noted in parentheses:
-
-
-
- BYTE Magazine[550] (McGraw-Hill[551])
-
- July 1994[552]
-
- June 1995[553]
-
- c|net[554]
-
- January 1996[555]
-
- Computer Life[556] (Ziff Davis[557])
-
- October 1995[558]
-
- Computer Shopper[559] (Ziff Davis[560])
-
- May 1995[561]
-
- December 1995 Modem Shopper's Guide[562]
-
- MacUser[563] (Ziff Davis[564])
-
- 1995 Product Index: Modems[565]
-
- Network Computing[566] (CMP[567])
-
- June 1995[568]
-
- PC Magazine[569] (Ziff Davis[570])
-
- October 1995[571]
-
- PC World[572] (IDG[573])
-
- Top 10 Modems (November 1995)
-
- Windows Magazine[574] (CMP[575])
-
- August 1995[576]
-
-
-
- Button[577] [Return to top[578]]
- ___________________________________
-
-
- Which 28800 modem should I buy? [updated 3/29/96]
-
-
-
- In the opinion of the author, 28800 modems are still too immature to shop
- on price alone because there are still performance and interoperability
- problems. (To avoid interoperability problems you may want to purchase the
- same brand as the modem you will be most frequently calling.)
-
- Take magazine modem reviews with a grain of salt -- few if any magazines
- perform the kind of thorough interoperability and real-world tests that are
- needed to properly compare modems. (See "What about magazine
- reviews?[579]")
-
- Furthermore, like software, modem preferences are a highly personal
- matter -- a terrific modem for one person may be a dog for another person,
- and vice versa. That noted, the personal assessment of the author is as
- follows:
-
- MEDIUM-HIGH END
-
-
-
- USRobotics Courier V.Everything[580]
- In the opinion of the author, this is quite simply the
- best reasonably-priced modem available. It's a
- particularly good choice if you have poor phone
- lines, if you have to make difficult connections, or
- if you have to connect to a wide range of modems. A
- strength that the Courier shares with the Sportster
- is that its DSP code is stored with its firmware (in
- Flash in the Courier, ROM in the Sportster), so that
- it can be easily updated (unlike most modems, which
- have fixed "datapumps"). A firmware update[581]
- (7/5/95 or later for USA modems) that supports
- Selective Reject[582] and draft V.34 speeds up to
- 33.6 Kbps is now available. The Courier is a good
- choice for a small BBS, and USR has an attractive
- SYSOP program. Otherwise the best way to get a good
- deal may be to find a cheap used 9600 bps or above
- Courier and take advantage of the USR upgrade
- program[583].
-
- Motorola[584] * V.3400[585]: A reputation as an excellent, if
- pricey, modem. Not evaluated by the author. Does not
- support V.FC.
- * Premier 33.6[586]: Not yet available. Claimed maximum compression is
- 8:1. Does not support V.FC.
-
- Microcom[587] A reputation for very good modems. Not evaluated by
- the author.
-
- Penril[588] A reputation for excellent, if pricey, modems. Not
- evaluated by the author.
-
- Telebit[589] A reputation for excellent, if pricey, modems. Not
- evaluated by the author. Does not support V.FC.
-
- Zyxel[590] The new Elite 2864[591] is feature rich (although it
- does not support V.FC), Flash upgradable, and has the
- added advantage of being user-upgradable to ISDN
- (Elite 2864I). However, in the author's tests it does
- not yet measure up to other modems in connection
- speed and reliability.
-
- AT&T Paradyne[592] A reputation for excellent, if pricey, modems. Not
- evaluated by the author. Does not support V.FC.
- Supports a proprietary V.34 extension for speeds up
- to 33.6 Kbps. (Note: Paradyne is reportedly up for
- sale, so its future is uncertain -- see "AT&T Seeks
- Buyer For Paradyne[593]" and "PC Magazine Newswatch
- for Thursday, October 19, 1995[594]")
-
-
-
- CONSUMER GRADE
-
-
-
- Motorola[595] An excellent company with a reputation for excellent
- products, and early reports on the new Power
- Class[596] and Lifestyle[597] modems (distinguished
- from each other only by features) are mostly
- positive. However, there have been reports of a few
- problems (e.g., Motorola's Customer Note of July 27,
- 1995[598], which Motorola is to be commended for
- publishing). Limitations include no V.FC, and no
- Class 2 or 2.0 fax. A promising newcomer to the
- consumer market.
-
- USRobotics Sportster 28800/33600[599]
- The popularly-priced Sportster 28800/33600 uses the
- same DSP as the Courier V.Everything and is a very
- good modem. A strength of the Sportster is that it
- supports several optional V.34 features (notably
- split speed[600]) that are not supported by some
- other popularly-priced modems. Be sure to get
- firmware dated 4/18/95 or later for USA modems; if
- necessary, call USR (708-982-5151) to get an upgrade.
- Certain 28800 Sportster models can be inexpensively
- upgraded to 33600 (including Selective Reject[601]).
- * The "Vi" model includes voicemail and VoiceView (the ability to switch
- back and forth between voice and data on the same
- call) capabilities. It is otherwise the same as the
- standard model.
- * The "Vi with DSVD" model includes Flash (like the Courier V.Everything)
- and DSVD (simultaneous voice and data over the same
- connection) capabilities.
- * Warning: The Sportster "WinModem" is a proprietary design that requires
- special USR drivers that work only under Microsoft
- Windows. Make sure that you are willing to live with
- the attendant risks and inherent limitations before
- purchasing any proprietary product. [new 3/29/96]
- * Warning: The Sportster Si is essentially a Rockwell "Glue 'n Go" clone
- (see below); worse, it uses software (RPI[602])
- rather than hardware protocols. The author advises
- against the purchase of any RPI modem. (See Where can
- I get information on my Rockwell-based modem?[603])
- * Warning: USR has indiscriminately slapped the "Sportster" name on so
- many different products that the author no longer
- feels it is a reliable product guide. For example,
- recent "Sportster 28800" modems have considerably
- different S-register settings as compared to the
- original "Sportster 28800" product. This invalidates
- a good deal of advice, including some of the material
- in this FAQ.
-
- Supra[604] In the opinion of the author, Supra is the probably
- the best bet among the Rockwell chipset-based modems,
- particularly now that it has released firmware that
- supports split speeds[605].
-
- Multi-Tech[606] Although high-end Multi-Tech modems have a good
- reputation, the author cannot recommend the
- popularly-priced MT2834ZDX. In the author's
- head-to-head real-world tests against the USR
- Sportster 28800, the MT2834ZDX was consistently one
- step slower, worse on difficult connections; in
- addition, operational idiosyncrasies caused problems
- with certain comm apps (e.g., HyperACCESS for
- Windows).
-
- Hayes[607] Although Hayes has made excellent modems in the past,
- of late it has been slipping, and its 28800 products
- have exhibited interoperability problems. Because
- Hayes (inc. PPI) is now in the process of emerging
- from Chapter 11 (Bankruptcy) protection, the author no
- longer recommends against the purchase of Hayes
- products, but still advises caution for at least the
- next few months.
-
- Practical Peripherals Inc.[608] (PPI)
- PPI is owned by and has been folded into Hayes. The
- same general comments apply.
-
- AT&T[609] AT&T has bailed out of consumer modems[610]. Although
- good liquidation deals may be found, support could be
- a problem. Also be warned that there were two
- completely different AT&T consumer modem lines with
- similar names. The Dataport was based on AT&T's own
- modem technology; the low-cost Dataport Express was
- essentially a Rockwell "Glue 'n Go" clone (see
- below).
-
- "Glue 'n Go" clones In the opinion of the author, companies that simply
- slap a modem chipset on a board are currently a poor
- bet given the immaturity of 28800 products. (The
- author puts Best Data[611], Boca[612], GVC, and
- Zoom[613] in this category.) Many do not support
- optional V.34 features such as split speeds[614].
-
-
-
- Other modem companies on the Internet include:
-
-
-
- Creative Labs[615]
-
- Diamond Multimedia[616]
-
- IBM[617]
-
-
-
- Whatever modem you decide to purchase, the author strongly recommends
- that you get a return privilege from the dealer (in case you run into
- problems).
-
- Note: No consumer grade modem should be used for a large BBS or an
- Internet service provider. In the long run the savings in maintenance and
- support costs with rack mount modems more than offsets their higher initial
- purchase price. The author recommends the USRobotics Total Control[618]
- system.
-
- Button[619] [Return to top[620]]
- ___________________________________
-
-
- Where can I get a good deal on a modem?
-
-
-
- In the opinion of the author, 28800 modems are still too immature to shop
- on price alone. If you run into (all too common) performance or
- interoperability problems, the best way to deal with them may be to return
- the modem and try a different brand, which may not be possible with a low
- price source.
-
- The author recommends WH Networks Communications[621].
-
- Other sources on the Internet include:
-
-
-
- Computer Express[622]
-
- PC Catalog[623]
-
- Sparco Communications[624].
-
-
-
- One of the best mail-order sources is Computability[625] (800/554-9950 or
- 414/357-8181).
-
- Please note that the author has no connection to any of the sources
- listed here.
-
- Button[626] [Return to top[627]]
- ___________________________________
-
-
- Archtek Telecom (Taiwan) on the Internet
-
-
-
-
-
- Archtek Telecom Home Page[628]
-
- Product Information:
-
- SmartLink 2834A/BA[629]
-
- SmartLink 2834PE[630] (PC Card)
-
- Product Support:
-
- FTP server[631]
-
- Technical Support[632]
-
- What's New[633]
-
-
-
- Button[634] [Return to top[635]]
- ___________________________________
-
-
- Best Data on the Internet
-
-
-
-
-
- Best Data Home Page[636]
-
- Product Information[637]
-
- FTP Server[638] (files)
-
- To get technical support:
- Send email to bestdata@aol.com[639]
-
-
-
- Button[640] [Return to top[641]]
- ___________________________________
-
-
- <<cont>>
-