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для ТСУ (Модемы) Самые распространенные стандарты CCI сегодня: . стандарт скорости 9600 bps - V.32 и скорости 14400 bps - V.32bis; . стандарт коррекции ошибок - V.42; . стандарт сжатия данных с коэффициентом 4:1 - V.42bis. Основные стандарты пересылки факсимильных сообщений - Class 1 и Group IV, поддерживающие скорость до 19200 bps и сжатие данных. Сейчас на мировом рынке модемов фактически правят 2 фирмы : ZyXEL и US Robo ics. Они производят самые скоростные и самые качественные модемы и факс- модемы. Очень дорогие суперсовременные модемы ZyXEL имеют возможность воспроизведения голоса, записанного в цифровом режиме и сжатия речевых сигналов, что позволяет использовать их в качестве автоответчиков. Также некоторые модели ZyXEL U-1496 и US Robo ics Courier снабжены переключателем речь/данные, встроенным тестированием и другими полезными функциями. Основное качество модемов ZyXEL - богатейший выбор возможностей, хотя это значительно увеличивает их стоимость (до $1250), а модемов US Robo ics (Courier и Spor s er) - надежность при относительно низкой цене на них (до $200). | |
![]() STABILO GREENcolors - цветные карандаши, сертифицированные FSC. • Изготовлены на 100% из возобновляемой древесины и покрыты лаком на 414 руб Раздел: 7-12 цветов ![]() Удобная ручка и проходимые колеса помогут Вашему малышу с легкостью возить всё необходимое для строительства дворцов, замков, дорог и 325 руб Раздел: Тележки ![]() Багетные рамы предназначены для оформления картин, вышивок и фотографий. Оформленное изделие всегда становится более выразительным и 698 руб Раздел: Размер 40x50 | ![]() Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lambert M. S. Книга по Требованию 1314 руб | ![]() Between 1913 and 1915 the South African Railways (SAR), later renamed Spoornet and then Transnet Freight Rail (TFR), placed 45 Class 14 4-8-2 steam locomotives in service. Lambert M. S. Книга по Требованию 1314 руб |
![]() They were followed in 1994 by ten locally manufactured Class 14E, Series 2 locomotives. Lambert M. S. Книга по Требованию 1314 руб | ![]() Its boiler was larger in proportion than that of any existing SAR locomotive, and was also raised 10 in (250 mm) higher than that of anything else in service at that time. Lambert M. S. Книга по Требованию 1314 руб |
![]() In 1925 the South African Railways (SAR), later renamed Spoornet and then Transnet Freight Rail (TFR), placed two Class 16D 4-6-2 Pacific locomotives in passenger train service. Lambert M. S. Книга по Требованию 1314 руб | ![]() At that stage Allan G. Watson, the chief mechanical engineer of the SAR at the time, designed a boiler with a firebox of comparable proportions to those installed on his later Class 15E and Class 23, in an attempt to improve the steaming properties Lambert M. S. Книга по Требованию 1314 руб |
![]() Union Carriage and Wagon did not allocate builder' s numbers to the locomotives it built for the South African Railways. While the practice by most other locomotive builders was to allocate builder' s numbers or works numbers to record Lambert M. S. Книга по Требованию 1122 руб | ![]() Between 1982 and 1983 the South African Railways (SAR), later renamed Spoornet and then Transnet Freight Rail (TFR), placed six Class 9E, Series 2 locomotives in service. Lambert M. S. Книга по Требованию 1122 руб |
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![]() Lambert M. S. Книга по Требованию 1122 руб | ![]() Immigration by blacks was limited: though the standard of living for blacks in South Africa was higher than for most people living on the African continent, political and economic conditions still made immigration difficult as blacks were forced to Lambert M. S. Книга по Требованию 1508 руб |
![]() Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lambert M. S. Книга по Требованию 1508 руб | ![]() The South Africa national cricket team, also known as The Proteas (formerly known as The Springboks) are a national cricket team representing South Africa. Lambert M. S. Книга по Требованию 1508 руб |
![]() For South Africa, it represented the first tour after the retirement of bowler Shaun Pollock while Bangladesh were looking to rebuild after heavy defeats against New Zealand and Sri Lanka. Lambert M. S. Книга по Требованию 1314 руб | ![]() Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lambert M. S. Книга по Требованию 1314 руб |
![]() They also played six tour matches against Somerset, Middlesex, Bangladesh A, a PCA Masters XI and two against the England Lions. Lambert M. S. Книга по Требованию 1314 руб | ![]() They are administrated by Cricket South Africa. Lambert M. S. Книга по Требованию 1314 руб |
![]() They are administrated by Cricket South Africa. Lambert M. S. Книга по Требованию 1314 руб | ![]() Although the airline is operationally independent of South African Airways, its flights are incorporated within the strategic alliance with South African Airlink and South African Airways. Lambert M. S. Книга по Требованию 1508 руб |
![]() The frontrunning cars in the series were recently retired from the world championship although there was also a healthy selection of locally built or modified machines. Lambert M. S. Книга по Требованию 1314 руб | ![]() The 1924 South African general election was a realigning election in the Union of South Africa' s House of Assembly held on June 19, 1924 to elect 135 members. Rising discontent with the government of Jan Smuts led to the defeat of his Lambert M. S. Книга по Требованию 1122 руб |
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