âûáîðêà | îïèñàíèå |
ISDN (INTEGRATED SERVICES DIGITAL NETWORK - ÖÈÔÐÎÂÀß ÑÅÒÜ Ñ ÈÍÒÅÃÐÀÖÈÅÉ ÓÑËÓÃ)
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- òåõíîëîãèÿ, ïðåäëîæåííàÿ èçíà÷àëüíî äëÿ ìåæäóíàðîäíîé òåëåôîííîé ñâÿçè. ISDN îáúåäèíÿåò ãîëîñîâûå è öèôðîâûå ñåòè â åäèíîé ñðåäå, äàâàÿ ïîëüçîâàòåëþ âîçìîæíîñòü ïåðåäà÷è ïî ñåòè ãîëîñà è äàííûõ. Ñòàíäàðòû, óïðàâëÿþùèå ISDN, ñîçäàþòñÿ CCITT....
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ISDN (INTEGRATED SERVICES DIGITAL NETWORK )
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- Öèôðîâàÿ ñåòü ñ èíòåãðàöèåé óñëóã (ïåð. ÖÈÒ) Òåõíîëîãèÿ, ïðåäëîæåííàÿ èçíà÷àëüíî äëÿ ìåæäóíàðîäíîé òåëåôîííîé ñâÿçè. ISDN îáúåäèíÿåò ãîëîñîâûå è öèôðîâûå ñåòè â åäèíîé ñðåäå, äàâàÿ ïîëüçîâàòåëþ âîçìîæíîñòü ïåðåäà÷è ïî ñåòè ãîëîñà è äàííûõ. Ñòàíäàðòû, ó...
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BISDN (BROADBAND INTEGRATED SERVICES DIGITAL NETWORK - ØÈÐÎÊÎÏÎËÎÑÍÀß ÖÈÔÐÎÂÀß ÑÅÒÜ Ñ ÈÍÒÅÃÐÀÖÈÅÉ ÓÑ
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- ñëåäóþùåå ïîêîëåíèå ñåòåé ISDN, ïîçâîëÿþùèõ ïåðåäàâàòü öèôðîâûå äàííûå, ãîëîñ è äèíàìè÷åñêèå èçîáðàæåíèÿ (âèäåî). ÀÒÌ îáåñïå÷èâàåò êîììóòàöèþ, à SONET èëè SDH ôèçè÷åñêèé òðàíñïîðò....
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NETWORK INFORMATION SERVICES (NIS)
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- Ñåòåâûå Èíôîðìàöèîííûå Ñëóæáû. Íàáîð óñëóã, âîîáùå îáåñïå÷èâàåìûõ NIC, ÷òîáû ïîìî÷ü ïîëüçîâàòåëÿì â èñïîëüçîâàíèè ñåòè....
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TERMINAL ADAPTER
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- îáîðóäîâàíèå, èñïîëüçóåìîå äëÿ ñîåäèíåíèÿ îáîðóäîâàíèÿ ISDN ñ ïðî÷èìè óñòðîéñòâàìè....
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X RECOMMENDATIONS
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- äîêóìåíòû CCITT, îïèñûâàþùèå ñåòåâûå ñòàíäàðòû ïåðåäà÷è äàííûõ. Ê ÷èñëó øèðîêî èçâåñòíûõ äîêóìåíòîâ îòíîñÿòñÿ: X.25 Packet Switching standard, X.400 Message Handling System è X.500 Directory Services....
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NSAP (NETWORK SERVICE ACCESS POINT - ÒÎ×ÊÀ ÄÎÑÒÓÏÀ Ê ÑÅÒÅÂÎÌÓ ÑÅÐÂÈÑÓ)
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- òî÷êà, â êîòîðîé Ñåòåâîé ñåðâèñ (OSI Network Service) ñòàíîâèòñÿ äîñòóïíûì íà òðàíñïîðòíîì óðîâíå 9entity). NSAP èäåíòèôèöèðóåòñÿ ñåòåâûìè àäðåñàìè OSI (OSI Network Addresses)....
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ADC (ANALOG TO DIGITAL CONVERTER)
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- àíàëîãîâî-öèôðîâîé ïðåîáðàçîâàòåëü, ÀÖÏ...
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NNI (NETWORK TO NETWORK INTERFAGE)
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- èíòåðôåéñ, îïðåäåëÿþùèé âçàèìîäåéñòâèå êîììóòàòîðîâ ATM...
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DS-3 - DIGITAL SIGNAL LEVEL 3
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- òåðìèí, èñïîëüçóåìûé äëÿ îáîçíà÷åíèÿ öèôðîâûõ ñèãíàëîâ ñ ïîëîñîé 45 Ìáèò/ñåê, ïåðåäàâàåìûõ ïî ëèíèè T3....
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DDCMP (DIGITAL DATA COMMUNICATIONS MESSAGE PROTOCOL)
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- êîììóíèêàöèîííûé ïðîòîêîë, èñïîëüçóåìûé êîìïàíèåé DEC äëÿ ñâÿçè ìåæäó êîìïüþòåðàìè....
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DSU (DIGITAL SERVICE UNIT)
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- ïîëüçîâàòåëüñêîå óñòðîéñòâî, âçàèìîäåéñòâóþùåå ñ öèôðîâûì óñòðîéñòâîì (òàêèì êàê DDS èëè T1 â êîìáèíàöèè ñ CSU). DSU êîíâåðòèðóåò ïîëüçîâàòåëüñêèå äàííûå â áèïîëÿðíûé ôîðìàò äëÿ ïåðåäà÷è....
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DIGITAL (ÖÈÔÐÎÂÎÉ)
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- äâîè÷íàÿ èíôîðìàöèÿ, âûâîäèìàÿ èç êîìïüþòåðà èëè òåðìèíàëà.  êîììóíèêàöèîííîé ñôåðå äèñêðåòíàÿ (èìïóëüñíàÿ) ïåðåäà÷à èíôîðìàöèè (â îòëè÷èå îò íåïðåðûâíîé àíàëîãîâîé)....
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DACS (DIGITAL ACCESS AND CROSS CONNECT SYSTEM ÑÈÑÒÅÌÀ ÖÈÔÐÎÂÎÃÎ ÄÎÑÒÓÏÀ È ÊÎÌÌÓÒÀÖÈÈ)
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- êîììóòàòîð, ïîçâîëÿþùèé îòîáðàæàòü ýëåêòðîííûì ñïîñîáîì ëèíèè T1 èëè E1 íà óðîâåíü DS-0 (64 kbps). Íàçûâàåòñÿ òàêæå DCS è DXS....
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DECNET
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- òîðãîâàÿ ìàðêà äëÿ ñåòåâîé àðõèòåêòóðû êîìïàíèè DEC, ïîçâîëÿþùåé ñâÿçûâàòü êîìïüþòåðû DEC ïî ïðîòîêîëó DDCMP (Digital Data Communications Message Protocol ïðîòîêîë öèôðîâîé ïåðåäà÷è ñîîáùåíèé)....
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