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The SupraFAXModem 14400 was a v.32bis modem. Launched in January 1991 at a $399 price point,〔Difference sources list the price between $349 and $399〕 the 14,400 bit/s model was less expensive than most 9600 bit/s models, supported many additional features, and was housed in an attractive case. The SupraFAX is an example of a disruptive technology; although it was launched into a well-established market, its price/performance ratio was so great compared to any other model available that its introduction drove modem prices sharply downward. Whereas a 9600 bit/s model was perhaps $599 only a month before its introduction, by the end of the year $250 144 models were not uncommon. Supra, Inc. had been a small player in the computer market through the mid-to-late 1980s, known originally for their external hard drives for the Atari ST and a variety of follow-on products. During 1991, Rockwell International's chip-making arm developed a new model driver chipset that included all of the latest standards that were then under development. Supra, never having been known as a "player" in the modem world, designed a modem based on the new chipset, and arranged a short-term exclusivity agreement. Not content with simply being the first consumer v.32bis modem on the market, Supra made a number of improvements over existing designs. One was the use of a much smaller case, about half the size of most models. The size and shape had initially been set by the original Hayes Smartmodem in 1981 and widely used a decade later in spite of the internals having shrunk in size considerably over the years. The Supra's smaller design made it much easier to fit on a desk. Additionally, Supra replaced many indicator lights with a two-digit green electroluminescent display that showed the speed of connection and other information such as "RI" for ring indication and "CD" for carrier detect. Later models such as the LC ("Low Cost") used individual lamps that were a common feature of external modems. In addition to the basic modem, Supra also introduced software to make better use of all the features of the modem. In particular, Supra re-packaged FAXstf as FAXCilitate, a Macintosh fax application that allowed any application that supported printing to send the output as a fax instead. They later introduced Supra VoiceMail, another Mac application written by STF Technologies that turned the computer into a digital answering machine with caller id routing and similar features. The SupraFAXModem was by no means a perfect product. Continued high-speed use caused the driver chipset to heat up, and as the case lacked any airflow, the modems would eventually get hot enough to lose the ability to connect and started dropping calls. Another minor issue was that the status display codes in the alphanumeric display rotated through several different indications, and important information, like CD, would only be displayed every few seconds. Both of these issues make them unsuitable for "host side" use on a bulletin board system or internet service provider, but on the client end these issues were simply not important. Supra also released a v.32 version at the same time, but it seems to have been fairly uncommon. They followed up the 14400 with the SupraFAXModem 288, the first consumer v.34 modem, and then a series of various versions with different features. The SupraExpress was a low-cost series that scaled to lower price points. ==Notes== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「SupraFAXModem 14400」の詳細全文を読む スポンサード リンク
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