Íîðìàòèâíûå äîêóìåíòû ðàçìåùåíû èñêëþ÷èòåëüíî ñ öåëüþ îçíàêîìëåíèÿ ó÷àùèõñÿ ÂÓÇîâ, òåõíèêóìîâ è ó÷èëèù.
Îáúÿâëåíèÿ:

ÃÎÑÒ 29099-91

ÌÅÆÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÑÒÀÍÄÀÐÒ

ÑÅÒÈ ÂÛ×ÈÑËÈÒÅËÜÍÛÅ ËÎÊÀËÜÍÛÅ

ÒÅÐÌÈÍÛ È ÎÏÐÅÄÅËÅÍÈß

ÈÏÊ ÈÇÄÀÒÅËÜÑÒÂÎ ÑÒÀÍÄÀÐÒÎÂ

Ìîñêâà

ÌÅÆÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÑÒÀÍÄÀÐÒ

ÑÅÒÈ ÂÛ×ÈÑËÈÒÅËÜÍÛÅ ËÎÊÀËÜÍÛÅ

Òåðìèíû è îïðåäåëåíèÿ

Local area networks.
Terms and definitions

ÃÎÑÒ
29099-91

Äàòà ââåäåíèÿ 01.01.93

Íàñòîÿùèé ñòàíäàðò óñòàíàâëèâàåò òåðìèíû è îïðåäåëåíèÿ ïîíÿòèé â îáëàñòè ëîêàëüíûõ âû÷èñëèòåëüíûõ ñåòåé.

Òåðìèíû, óñòàíîâëåííûå íàñòîÿùèì ñòàíäàðòîì, îáÿçàòåëüíû äëÿ ïðèìåíåíèÿ âî âñåõ âèäàõ äîêóìåíòàöèè è ëèòåðàòóðû, âõîäÿùèõ â ñôåðó ðàáîò ïî ñòàíäàðòèçàöèè èëè èñïîëüçóþùèõ ðåçóëüòàòû ýòèõ ðàáîò.

Íàñòîÿùèé ñòàíäàðò äîëæåí ïðèìåíÿòüñÿ ñîâìåñòíî ñ ÃÎÑÒ 15971, ÃÎÑÒ 19781.

1. Äëÿ êàæäîãî ïîíÿòèÿ óñòàíîâëåí îäèí ñòàíäàðòèçîâàííûé òåðìèí. Íåäîïóñòèìûå ê ïðèìåíåíèþ òåðìèíû-ñèíîíèìû ïðèâåäåíû â êðóãëûõ ñêîáêàõ ïîñëå ñòàíäàðòèçîâàííîãî òåðìèíà è îáîçíà÷åíû ïîìåòîé «Íäï».

2. Çàêëþ÷åííàÿ â êðóãëûå ñêîáêè ÷àñòü òåðìèíà ìîæåò áûòü îïóùåíà ïðè èñïîëüçîâàíèè òåðìèíà â äîêóìåíòàõ ïî ñòàíäàðòèçàöèè.

3. Ïðèâåäåííûå îïðåäåëåíèÿ ìîæíî, ïðè íåîáõîäèìîñòè, èçìåíÿòü, ââîäÿ â íèõ ïðîèçâîäíûå ïðèçíàêè, ðàñêðûâàÿ çíà÷åíèÿ èñïîëüçóåìûõ â íèõ òåðìèíîâ, óêàçûâàÿ îáúåêòû, âõîäÿùèå â îáúåì îïðåäåëÿåìîãî ïîíÿòèÿ. Èçìåíåíèÿ íå äîëæíû íàðóøàòü îáúåì è ñîäåðæàíèå ïîíÿòèé, îïðåäåëåííûõ â íàñòîÿùåì ñòàíäàðòå.

4.  ñòàíäàðòå ïðèâåäåíû èíîÿçû÷íûå ýêâèâàëåíòû ñòàíäàðòèçîâàííûõ òåðìèíîâ íà àíãëèéñêîì ÿçûêå.

5.  ñòàíäàðòå ïðèâåäåíû àëôàâèòíûå óêàçàòåëè òåðìèíîâ íà ðóññêîì ÿçûêå è èõ èíîÿçû÷íûõ ýêâèâàëåíòîâ.

6. Òåðìèíû è îïðåäåëåíèÿ îáùåòåõíè÷åñêèõ ïîíÿòèé, íåîáõîäèìûõ äëÿ ïîíèìàíèÿ òåêñòà ñòàíäàðòà, ïðèâåäåíû â ïðèëîæåíèè 1. Àðõèòåêòóðà íèæíèõ óðîâíåé ËÂÑ ïðèâåäåíà â ïðèëîæåíèè 2.

7. Ñòàíäàðòèçîâàííûå òåðìèíû íàáðàíû ïîëóæèðíûì øðèôòîì, èõ êðàòêèå ôîðìû, ïðåäñòàâëåííûå àááðåâèàòóðîé, - ñâåòëûì, à ñèíîíèìû - êóðñèâîì.

1. ÎÁÙÈÅ ÏÎÍßÒÈß

1 ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü; ËÂÑ: Âû÷èñëèòåëüíàÿ ñåòü, îõâàòûâàþùàÿ íåáîëüøóþ òåððèòîðèþ è èñïîëüçóþùàÿ îðèåíòèðîâàííûå íà ýòó òåððèòîðèþ ñðåäñòâà è ìåòîäû ïåðåäà÷è äàííûõ (ïî ÃÎÑÒ 24402)

local area network; LAN

2 ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü îñíîâíîé ïîëîñû ÷àñòîò: Ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, â êîòîðîé äàííûå êîäèðóþòñÿ è ïåðåäàþòñÿ áåç ìîäóëÿöèè íåñóùåé

baseband LAN

3 øèðîêîïîëîñíàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü: Ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, â êîòîðîé äàííûå êîäèðóþòñÿ, óïëîòíÿþòñÿ è ïåðåäàþòñÿ ñ ðàçäåëåíèåì êàíàëîâ è ìîäóëÿöèåé íåñóùåé

broadband LAN

4 ñòàíöèÿ (äàííûõ): Ñîâîêóïíîñòü îêîíå÷íîãî îáîðóäîâàíèÿ äàííûõ, àïïàðàòóðû îêîí÷àíèÿ êàíàëà äàííûõ è, â íåêîòîðûõ ñëó÷àÿõ, ïðîìåæóòî÷íîãî îáîðóäîâàíèÿ (ïî ÃÎÑÒ 24402)

data station

5 øèííàÿ (ëîêàëüíàÿ âû÷èñëèòåëüíàÿ) ñåòü: Ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, â êîòîðîé èìååòñÿ òîëüêî îäèí ìàðøðóò ìåæäó äâóìÿ ñòàíöèÿìè äàííûõ, è äàííûå, ïåðåäàâàåìûå ëþáîé ñòàíöèåé, îäèíàêîâî äîñòóïíû âñåì äðóãèì ñòàíöèÿì ñåòè.

Ïðèìå÷àíèå. Øèííàÿ ñåòü ìîæåò èìåòü ëèíåéíóþ, ðàäèàëüíóþ èëè äðåâîâèäíóþ êîíôèãóðàöèþ; â äâóõ ïîñëåäíèõ ñëó÷àÿõ â êàæäîì îêîíå÷íîì óçëå ðàçìåùåíû ñòàíöèè äàííûõ, à â ïðîìåæóòî÷íûõ óçëàõ - ïîâòîðèòåëè, ñîåäèíèòåëè, óñèëèòåëè èëè ðàçâåòâèòåëè

bus network

6 êîëüöåâàÿ (ëîêàëüíàÿ âû÷èñëèòåëüíàÿ) ñåòü: Ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, â êîòîðîé ê êàæäîìó óçëó ñåòè ïîäêëþ÷åíû òîëüêî äâå âåòâè è êîòîðàÿ îáåñïå÷èâàåò îäíîíàïðàâëåííóþ ïåðåäà÷ó äàííûõ ìåæäó ñòàíöèÿìè äàííûõ ïî îäíîé ôèçè÷åñêîé ñðåäå ñ âîçâðàòîì äàííûõ ê ïåðåäàþùåé ñòàíöèè

ring network

7 ôèçè÷åñêèé óðîâåíü: Óðîâåíü âçàèìîñâÿçè îòêðûòûõ ñèñòåì, îáåñïå÷èâàþùèé óñòàíîâëåíèå, ïîääåðæàíèå è ðàçúåäèíåíèå ôèçè÷åñêîãî ñîåäèíåíèÿ ìåæäó ëîãè÷åñêèìè îáúåêòàìè óðîâíÿ çâåíà äàííûõ è ïåðåäà÷ó áèò äàííûõ ìåæäó ýòèìè îáúåêòàìè (ïî ÃÎÑÒ 24402)

physical layer

8 óðîâåíü çâåíà äàííûõ: Óðîâåíü âçàèìîñâÿçè îòêðûòûõ ñèñòåì, îáåñïå÷èâàþùèé óñëóãè ïî îáìåíó äàííûìè ìåæäó ëîãè÷åñêèìè îáúåêòàìè ñåòåâîãî óðîâíÿ, ïðîòîêîë óïðàâëåíèÿ çâåíîì äàííûõ, ôîðìèðîâàíèå è ïåðåäà÷ó êàäðîâ äàííûõ (ïî ÃÎÑÒ 24402)

data link layer

9 ïîäóðîâåíü óïðàâëåíèÿ ëîãè÷åñêèì çâåíîì; ïîäóðîâåíü ÓËÇ: Âåðõíèé ïîäóðîâåíü óðîâíÿ çâåíà äàííûõ, âûïîëíÿþùèé íåçàâèñèìûå îò ôèçè÷åñêîé ñðåäû è ìåòîäà äîñòóïà ê íåé ôóíêöèè çâåíà äàííûõ

logical link control sublayer; LLC

10 ïîäóðîâåíü óïðàâëåíèÿ äîñòóïîì ê ñðåäå; ïîäóðîâåíü ÓÄÑ: Íèæíèé ïîäóðîâåíü óðîâíÿ çâåíà äàííûõ, óïðàâëÿþùèé äîñòóïîì ñòàíöèé äàííûõ ê ôèçè÷åñêîé ñðåäå

medium access control sublayer; MAC

11 ïîäóðîâåíü ïåðåäà÷è ôèçè÷åñêèõ ñèãíàëîâ; ïîäóðîâåíü ÏÔÑ: Âåðõíèé ïîäóðîâåíü ôèçè÷åñêîãî óðîâíÿ, âûïîëíÿþùèé áèò, - ñèìâîëüíîå êîäèðîâàíèå è äåêîäèðîâàíèå, ïðèåì è ïåðåäà÷ó äàííûõ, à òàêæå ôóíêöèè èçîëÿöèè ïîäóðîâíÿ óïðàâëåíèÿ äîñòóïîì ê ñðåäå îò îñîáåííîñòåé ôèçè÷åñêîé ñðåäû.

Ïðèìå÷àíèå. Ïîä «ôèçè÷åñêèìè ñèãíàëàìè» çäåñü ïîíèìàþò ñèãíàëû ôèçè÷åñêîãî óðîâíÿ èëè ôèçè÷åñêîé ñðåäû

physical signalling sublayer; PLS

12 äèñïåò÷åð ñòàíöèè äàííûõ: Êîíöåïòóàëüíûé óïðàâëÿþùèé ýëåìåíò ñòàíöèè, âçàèìîäåéñòâóþùèé ñî âñåìè óðîâíÿìè ñòàíöèè äàííûõ, îòâåòñòâåííûé çà óñòàíîâêó è ñáðîñ óïðàâëÿþùèõ ïàðàìåòðîâ, ïîëó÷åíèå îò÷åòîâ îá îøèáî÷íûõ ñèòóàöèÿõ è îïðåäåëåíèå íåîáõîäèìîñòè ïîäêëþ÷åíèÿ ñòàíöèé ê ñåòè è îòêëþ÷åíèÿ èõ îò ñåòè

station management MGT

13 ôèçè÷åñêàÿ ñðåäà (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Ôèçè÷åñêèé ìàòåðèàë, ïî êîòîðîìó ñ âûñîêîé ñêîðîñòüþ ïåðåìåùàþòñÿ äàííûå ìåæäó ïîäêëþ÷åííûìè ñòàíöèÿìè äàííûõ ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè.

Ïðèìå÷àíèå.  êà÷åñòâå ôèçè÷åñêîé ñðåäû ìîãóò èñïîëüçîâàòüñÿ ñèììåòðè÷íûé êàáåëü, êîàêñèàëüíûé êàáåëü, âîëîêîííî-îïòè÷åñêèé êàáåëü è äð.

transmission medium

14 ìàãèñòðàëüíûé êàáåëü (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Êàáåëü, ñîåäèíÿþùèé ìîäóëè ñîïðÿæåíèÿ ñî ñðåäîé äëÿ îáåñïå÷åíèÿ îáìåíà äàííûìè ìåæäó ñòàíöèÿìè äàííûõ ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

trunk cable

15 îòâåòâèòåëüíûé êàáåëü (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Êàáåëü, ñîåäèíÿþùèé ñòàíöèþ äàííûõ ñ ìàãèñòðàëüíûì êàáåëåì ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

drop cable

16 îêîíå÷íîå îáîðóäîâàíèå äàííûõ; ÎÎÄ: ×àñòü ñòàíöèè äàííûõ, âûïîëíÿþùàÿ ôóíêöèè èñòî÷íèêà äàííûõ èëè îòïðàâèòåëÿ äàííûõ ëèáî òîãî è äðóãîãî (ÃÎÑÒ 17657)

data terminal equipment; DTE

17 ìîäóëü ñîïðÿæåíèÿ ñî ñðåäîé; ÌÑÑ: Óñòðîéñòâî ñòàíöèè äàííûõ, èñïîëüçóåìîå äëÿ ñîïðÿæåíèÿ îêîíå÷íîãî îáîðóäîâàíèÿ äàííûõ ñ ôèçè÷åñêîé ñðåäîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

medium attachment unit; MAU

18 ìîäóëü äîñòóïà ê ñðåäå; ÌÄÑ: ×àñòü ìîäóëÿ ñîïðÿæåíèÿ ñî ñðåäîé, ñîäåðæàùàÿ ôóíêöèîíàëüíûå ñõåìû è èñïîëüçóåìàÿ äëÿ ïîäêëþ÷åíèÿ ñòàíöèè äàííûõ ê ôèçè÷åñêîé ñðåäå è îòêëþ÷åíèÿ ñòàíöèè äàííûõ îò ôèçè÷åñêîé ñðåäû ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè áåç íàðóøåíèÿ ðàáîòû ñòàíöèè

physical medium attachment; PMA

19 ìîäóëü ñîïðÿæåíèÿ ñ ìàãèñòðàëüþ; ÌÑÌ: Óñòðîéñòâî, ñîåäèíÿþùåå ñòàíöèþ äàííûõ ñ ìàãèñòðàëüíûì êàáåëåì ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè ÷åðåç îòâåòâèòåëüíûé êàáåëü

trunk coupling unit; TCU

20 èíòåðôåéñ ñ ìîäóëåì ñîïðÿæåíèÿ; ÈÌÑ: Èíòåðôåéñ ìåæäó ìîäóëåì ñîïðÿæåíèÿ ñî ñðåäîé è îêîíå÷íûì îáîðóäîâàíèåì äàííûõ âíóòðè ñòàíöèè äàííûõ

attachment unit interface; AU1

21 çàâèñèìûé îò ñðåäû èíòåðôåéñ: Èíòåðôåéñ ìåæäó ôèçè÷åñêîé ñðåäîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè è ìîäóëåì ñîïðÿæåíèÿ ñî ñðåäîé

Medium dependent interface; MDI

22 èíòåðôåéñíûé ñîåäèíèòåëü ñî ñðåäîé; ÈÑÑ: Ñîåäèíèòåëü ìåæäó ñòàíöèåé äàííûõ è ìîäóëåì ñîïðÿæåíèÿ ñ ìàãèñòðàëüþ.

Ïðèìå÷àíèå. Èíòåðôåéñíûé ñîåäèíèòåëü ìîæåò ðàñïîëàãàòüñÿ íà êîíöàõ îòâåòâèòåëüíîãî êàáåëÿ

medium interface connector; MIC

23 øëþç (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Óñòðîéñòâî, ñîåäèíÿþùåå ëîêàëüíóþ âû÷èñëèòåëüíóþ ñåòü ñ äðóãîé ñåòüþ, èñïîëüçóþùåé äðóãèå ïðîòîêîëû âçàèìîñâÿçè.

Ïðèìå÷àíèå.  êà÷åñòâå äðóãîé ñåòè ìîæåò áûòü ñåòü äàííûõ îáùåãî ïîëüçîâàíèÿ èëè êàêàÿ-òî äðóãàÿ ñåòü

gateway

24 êàäð ìàðêåðà: Ôîðìàòèâíàÿ êîìáèíàöèÿ áèò, ïåðåäàâàåìàÿ ñòàíöèåé äàííûõ ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè ñ öåëüþ óïîðÿäî÷åííîé â ñîîòâåòñòâèè ñ àäðåñàìè ñòàíöèé è ïðèîðèòåòíîñòüþ äàííûõ ïåðåäà÷è ñòàíöèÿì ïîëíîìî÷èé íà äîñòóï ê ôèçè÷åñêîé ñðåäå

token

25 ïðîöåäóðà ïåðåäà÷è ìàðêåðà: Ñîâîêóïíîñòü ïðàâèë, â ñîîòâåòñòâèè ñ êîòîðûìè ñòàíöèÿ ñåòè ñ ïåðåäà÷åé ìàðêåðà ïîëó÷àåò, óäåðæèâàåò è ïåðåäàåò êàäð ìàðêåðà

token passing procedure

26 êàäð äàííûõ: Ïðîòîêîëüíûé áëîê äàííûõ óðîâíÿ çâåíà äàííûõ (ïî ÃÎÑÒ 24402)

frame

27 çàõâàò (êàíàëà): Ïðîöåññ ïåðåäà÷è äàííûõ ñòàíöèåé äàííûõ, äëèòåëüíîñòü êîòîðîãî ïðåâûøàåò ïðåäåë, óñòàíîâëåííûé ïðîòîêîëîì âçàèìîñâÿçè

jabber

28 àäìèíèñòðèðîâàíèå àäðåñàöèè (â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Íàçíà÷åíèå èíäèâèäóàëüíûõ àäðåñîâ ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè íà ëîêàëüíîé èëè óíèâåðñàëüíîé îñíîâå

address administration

29 ëîêàëüíîå àäìèíèñòðèðîâàíèå (â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Àäìèíèñòðèðîâàíèå àäðåñàöèé â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, ïðè êîòîðîé âñå èíäèâèäóàëüíûå àäðåñà ÿâëÿþòñÿ åäèíñòâåííûìè â ðàìêàõ îäíîé è òîé æå ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

local administration

30 óíèâåðñàëüíîå àäìèíèñòðèðîâàíèå (â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Àäìèíèñòðèðîâàíèå àäðåñàöèè â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, ïðè êîòîðîé âñå èíäèâèäóàëüíûå àäðåñà ÿâëÿþòñÿ åäèíñòâåííûìè â ðàìêàõ îäíîé è òîé æå èëè äðóãîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

universal administration

31 ñèìâîë ïîäóðîâíÿ óïðàâëåíèÿ äîñòóïîì ê ñðåäå; ñèìâîë ÓÄÑ: Íàèìåíüøàÿ åäèíèöà èíôîðìàöèè, êîòîðîé îáìåíèâàþòñÿ îáúåêòû ïîäóðîâíÿ óïðàâëåíèÿ äîñòóïîì ê ñðåäå

MAC-symbol

32 äèôôåðåíöèàëüíîå ìàí÷åñòåðñêîå êîäèðîâàíèå; ÄÌÊ: Ìåòîä ïåðåäà÷è ñèíõðîñèãíàëîâ è ñèãíàëîâ äàííûõ, ïðè êîòîðîì êàæäûé áèòîâûé ýëåìåíò ðàçäåëÿåòñÿ íà äâå ïîëîâèíû, ïðè ýòîì ïîëÿðíîñòü âòîðîé ïîëîâèíû ïðîòèâîïîëîæíà ïîëÿðíîñòè ïåðâîé ïîëîâèíû.

Ïðèìå÷àíèå. Äâîè÷íûé 0 ïðåäñòàâëÿåòñÿ ïóòåì èçìåíåíèÿ ïîëÿðíîñòè â íà÷àëå áèòîâîãî èíòåðâàëà, äâîè÷íàÿ 1 - îòñóòñòâèåì èçìåíåíèÿ ïîëÿðíîñòè â íà÷àëå áèòîâîãî èíòåðâàëà. Ýòîò âèä êîäèðîâàíèÿ íå çàâèñèò îò èñõîäíîé ïîëÿðíîñòè ñèìâîëà

differential manchester encoding

2. ØÈÍÍÀß ÑÅÒÜ ÑÎ ÑËÓ×ÀÉÍÛÌ ÄÎÑÒÓÏÎÌ

33 øèííàÿ ñåòü ñî ñëó÷àéíûì äîñòóïîì; ØÑÄ: Øèííàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, â êîòîðîé ìåòîäîì äîñòóïà ê ôèçè÷åñêîé ñðåäå ñëóæèò êîëëåêòèâíûé äîñòóï ñ îïîçíàâàíèåì íåñóùåé è îáíàðóæåíèåì êîíôëèêòîâ

bus LAN

34 êîëëåêòèâíûé äîñòóï ñ îïîçíàâàíèåì íåñóùåé è îáíàðóæåíèåì êîíôëèêòîâ; ÊÄÎÍ/ÎÊ (Íäï. êîëëåêòèâíûé äîñòóï ñ êîíòðîëåì íîñèòåëÿ è îáíàðóæåíèåì ñòîëêíîâåíèé): Ìåòîä äîñòóïà ê ôèçè÷åñêîé ñðåäå, îñíîâàííûé íà îïîçíàâàíèè íåñóùåé äëÿ îáíàðóæåíèÿ ïåðåäà÷è äðóãîé ñòàíöèè è ðàçðåøåíèè êîíôëèêòîâ ïóòåì ïîâòîðíûõ ïåðåäà÷ êàäðà

carrier sense multiple access with collision detection; CSMA/CD

35 îïîçíàâàíèå íåñóùåé (Íäï. êîíòðîëü íîñèòåëÿ): Äåéñòâèÿ ñòàíöèè äàííûõ ïî îáíàðóæåíèþ â ôèçè÷åñêîé ñðåäå ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè ïåðåäà÷ îò äðóãèõ ñòàíöèé

carrier sense

36 êîíôëèêò (â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Íåïðåäñêàçóåìàÿ ñèòóàöèÿ, âîçíèêàþùàÿ ïðè íàëè÷èè îäíîâðåìåííûõ ïåðåäà÷ ñî ñòîðîíû íåñêîëüêèõ ñòàíöèé äàííûõ â îäíîì êàíàëå ôèçè÷åñêîé ñðåäû ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

collision

37 êîìáèíàöèÿ «êîíôëèêò»; ÊÊ: Ñëó÷àéíàÿ áèòîâàÿ êîìáèíàöèÿ, âûðàáàòûâàåìàÿ ñòàíöèåé äàííûõ, îáíàðóæèâøåé êîíôëèêò â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

jam

38 óñèëåíèå êîíôëèêòà; ÓÊ: Ïåðåäà÷à êîìáèíàöèè «êîíôëèêò» ñòàíöèåé äàííûõ, îáíàðóæèâøåé êîíôëèêò â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, ñ öåëüþ èíôîðìèðîâàíèÿ âñåõ äðóãèõ ñòàíöèé ñåòè î íàëè÷èè êîíôëèêòà

collision enforcement; CE

39 èíòåðâàë óñå÷åíèÿ êàäðà: Çàâèñÿùàÿ îò ðåàëèçàöèè åäèíèöà âðåìåíè, êîòîðàÿ â ñëó÷àå îáíàðóæåíèÿ êîíôëèêòà â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè èñïîëüçóåòñÿ ñòàíöèåé äàííûõ äëÿ îïðåäåëåíèÿ äëèòåëüíîñòè çàäåðæåê, ïîñëå êîòîðûõ îíà ìîæåò îñóùåñòâèòü ïîïûòêó ïîâòîðíîé ïåðåäà÷è

seot time

40 óñå÷åííûé ýêñïîíåíöèàëüíûé äâîè÷íûé àëãîðèòì âûäåðæêè: Àëãîðèòì ïëàíèðîâàíèÿ ïîâòîðíûõ ïåðåäà÷ ïîñëå îáíàðóæåíèÿ êîíôëèêòà â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, ïðè êîòîðîì ïåðåäà÷à çàäåðæèâàåòñÿ íà èíòåðâàë âðåìåíè, âû÷èñëÿåìûé íà îñíîâå èíòåðâàëà óñå÷åíèÿ êàäðà è ÷èñëà ïîïûòîê ïîâòîðíîé ïåðåäà÷è

truncated binary exponential backoff

41 âûäåðæêà (ñòàíöèè): Èíòåðâàë âðåìåíè, â òå÷åíèå êîòîðîãî ñòàíöèÿ äàííûõ âûæèäàåò, ïðåæäå ÷åì ïðèñòóïèòü ê ïîâòîðíîé ïåðåäà÷å ïîñëå îáíàðóæåíèÿ êîíôëèêòà â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, è êîòîðûé âû÷èñëÿåòñÿ ïî óñå÷åííîìó ýêñïîíåíöèàëüíîìó äâîè÷íîìó àëãîðèòìó âûäåðæêè

backoff

42 îòñðî÷êà (ïåðåäà÷è): Èíòåðâàë âðåìåíè, íà êîòîðûé ñòàíöèÿ äàííûõ çàäåðæèâàåò íà÷àëî ñâîåé ïåðåäà÷è ïðè îáíàðóæåíèè çàíÿòîñòè ôèçè÷åñêîé ñðåäû ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

deference

43 çàäåðæêà (ïåðåäà÷è): Èíòåðâàë âðåìåíè ìåæäó ïåðåäà÷åé ñòàíöèåé äàííûõ äâóõ ïîñëåäîâàòåëüíûõ êàäðîâ

delay

44 çàäåðæêà òðàêòà ïåðåäà÷è (øèííîé ñåòè): Âðåìÿ, íåîáõîäèìîå äëÿ ïðîõîæäåíèÿ áèòà ìåæäó äâóìÿ íàèáîëåå óäàëåííûìè ñòàíöèÿìè øèííîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

transmission path delay

45 çàäåðæêà êðóãîâîãî îáõîäà (øèííîé ñåòè): Óäâîåííîå âðåìÿ ïðîõîæäåíèÿ áèòà ìåæäó äâóìÿ íàèáîëåå óäàëåííûìè ñòàíöèÿìè øèííîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

round-trip propagation time

46 îáúåäèíèòåëü (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Ïàññèâíîå óñòðîéñòâî, ðàçìåùàåìîå â óçëå ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè è èñïîëüçóåìîå äëÿ âçàèìîñâÿçè áîëåå äâóõ âåòâåé

coupler

47 îòâåòâèòåëü (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Ïàññèâíîå íàïðàâëåííîå óñòðîéñòâî øèðîêîïîëîñíîé ñðåäû, êîòîðîå íàïðàâëÿåò äàííûå, ïåðåäàâàåìûå ìîäóëåì ñîïðÿæåíèÿ ñî ñðåäîé, â ðàñïðåäåëèòåëü ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

tap

48 ðàñïðåäåëèòåëü (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Óñòðîéñòâî øèðîêîïîëîñíîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, ïðèíèìàþùåå ñèãíàëû èç ñòàíöèè äàííûõ è òðàíñëèðóþùåå èõ âñåì äðóãèì ñòàíöèÿì ñåòè.

Ïðèìå÷àíèå. Ðåòðàíñëÿöèÿ ñèãíàëîâ â ðàñïðåäåëèòåëå ìîæåò ïîòðåáîâàòü ñäâèãà ÷àñòîò

head-end

49 öåíòðîâèê (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Óñòðîéñòâî, èñïîëüçóåìîå äëÿ âçàèìîñâÿçè íåñêîëüêèõ óñòðîéñòâ îêîíå÷íîãî îáîðóäîâàíèÿ äàííûõ è âûïîëíÿþùåå ôóíêöèè âîññòàíîâëåíèÿ àìïëèòóäû ñèãíàëîâ, ñèíõðîíèçàöèè ñèãíàëîâ, îáíàðóæåíèÿ êîíôëèêòîâ â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè è îïîâåùåíèÿ î íèõ, à òàêæå ðàñïðîñòðàíåíèÿ ñèãíàëîâ ïî öåíòðîâèêàì íèæíèõ óðîâíåé è îêîíå÷íîìó îáîðóäîâàíèþ äàííûõ

hub

3. ØÈÍÍÀß ÑÅÒÜ Ñ ÌÀÐÊÅÐÍÛÌ ÄÎÑÒÓÏÎÌ

50 øèííàÿ ñåòü ñ ìàðêåðíûì äîñòóïîì; ØÌÄ: Øèííàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, â êîòîðîé ìåòîäîì äîñòóïà ê ñðåäå ñëóæèò ïðîöåäóðà ïåðåäà÷è ìàðêåðà

token-bus network

51 îäíîêàáåëüíàÿ øèðîêîïîëîñíàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü: Øèðîêîïîëîñíàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, êîòîðàÿ èñïîëüçóåò îäèí è òîò æå êàáåëü äëÿ ïðÿìîãî è îáðàòíîãî êàíàëîâ

single-cable broadband LAN

52 äâóõêàáåëüíàÿ øèðîêîïîëîñíàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü: Øèðîêîïîëîñíàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, êîòîðàÿ èñïîëüçóåò îòäåëüíûå êàáåëè äëÿ ïðÿìîãî è îáðàòíîãî êàíàëîâ

two-cable broadband LAN

53 ëîãè÷åñêîå êîëüöî (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Àáñòðàêòíîå ïðåäñòàâëåíèå øèííîé ñåòè ñ ìàðêåðíûì äîñòóïîì, ïðè êîòîðîì ïåðåäà÷à êàäðà ìàðêåðà ìåæäó ñòàíöèÿìè äàííûõ îñóùåñòâëÿåòñÿ ìåòîäîì ýìóëÿöèè ïåðåäà÷è óïðàâëåíèÿ â êîëüöåâîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

logical ring

54 èíòåðâàë îòâåòà: Ìàêñèìàëüíûé èíòåðâàë âðåìåíè, â òå÷åíèå êîòîðîãî ëþáàÿ èç ñòàíöèé äàííûõ äîëæíà æäàòü îòâåòà îò äðóãîé ñòàíöèè

slot time

55 îêíî îòâåòà: Áàçîâàÿ åäèíèöà âðåìåíè, îòñ÷èòûâàåìàÿ ñòàíöèåé äàííûõ îò ìîìåíòà îêîí÷àíèÿ ïåðåäà÷è êàäðà óïðàâëåíèÿ äîñòóïîì ê ñðåäå äî ïîëó÷åíèÿ îòâåòà îò äðóãîé ñòàíöèè è ðàâíàÿ èíòåðâàëó îòâåòà

response window

56 ðåìîäóëÿòîð ðàñïðåäåëèòåëÿ: Óñòðîéñòâî, ðàñïîëîæåííîå â ðàñïðåäåëèòåëå øèííîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, êîòîðîå ìîäóëèðóåò ïåðåäàâàåìûå ïî îáðàòíîìó êàíàëó ñòàíöèÿìè ñåòè ñèãíàëû è ðåòðàíñëèðóåò èõ ïî ïðÿìîìó êàíàëó äëÿ ïåðåäà÷è òåì æå ñòàíöèÿì

head-end remodulator

57 ïðÿìîé êàíàë (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Êàíàë øèðîêîïîëîñíîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, ïðåäíàçíà÷åííûé äëÿ ïåðåäà÷è äàííûõ îò ðàñïðåäåëèòåëÿ ê ñòàíöèÿì äàííûõ

forward channel

58 îáðàòíûé êàíàë (ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè): Êàíàë øèðîêîïîëîñíîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, ïðåäíàçíà÷åííûé äëÿ ïåðåäà÷è äàííûõ îò ñòàíöèé äàííûõ ê ðàñïðåäåëèòåëþ

reverse channel

59 íèñõîäÿùåå çâåíî: Ìàðøðóò, ïî êîòîðîìó äàííûå ïåðåäàþòñÿ èç ðàñïðåäåëèòåëÿ ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè íà ñòàíöèþ äàííûõ

downlink

60 âîñõîäÿùåå çâåíî: Ìàðøðóò, ïî êîòîðîìó äàííûå ïåðåäàþòñÿ èç ñòàíöèè äàííûõ â ðàñïðåäåëèòåëü ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

uplink

4. ÊÎËÜÖÅÂÀß ÑÅÒÜ Ñ ÌÀÐÊÅÐÍÛÌ ÄÎÑÒÓÏÎÌ

61 êîëüöåâàÿ ñåòü ñ ìàðêåðíûì äîñòóïîì; ÊÌÄ: Êîëüöåâàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, îáåñïå÷èâàþùàÿ îäíîíàïðàâëåííóþ ïåðåäà÷ó äàííûõ ìåæäó ñòàíöèÿìè äàííûõ ñ âîçâðàòîì ïåðåäàâàåìûõ äàííûõ ê ïåðåäàþùåé ñòàíöèè è ñ èñïîëüçîâàíèåì ïðîöåäóðû ïåðåäà÷è ìàðêåðà äëÿ óïðàâëåíèÿ äîñòóïîì ñòàíöèé ê ôèçè÷åñêîé ñðåäå

token-ring network

62 ìîíèòîð (êîëüöåâîé ñåòè): Óñòðîéñòâî, ñîäåðæàùååñÿ â êàæäîé ñòàíöèè êîëüöåâîé ñåòè ñ ìàðêåðíûì äîñòóïîì è îñóùåñòâëÿþùåå âîññòàíîâëåíèå ïðè ðàçëè÷íûõ íåèñïðàâíîñòÿõ è îøèáî÷íûõ ñèòóàöèÿõ.

Ïðèìå÷àíèå.  êàæäûé êîíêðåòíûé ìîìåíò âðåìåíè â ñåòè ìîæåò áûòü òîëüêî îäíà ñòàíöèÿ äàííûõ, âûïîëíÿþùàÿ ôóíêöèÿ àêòèâíîãî ìîíèòîðà; âî âñåõ îñòàëüíûõ ñòàíöèÿõ äàííûõ êîëüöåâîé ñåòè ôóíêöèÿ ìîíèòîðà íàõîäèòñÿ â äåæóðíîì ñîñòîÿíèè

monitor

63 ñëóæáà îò÷åòà î êîíôèãóðàöèè; ÑÎÊ: Êîíöåïòóàëüíûé ýëåìåíò óïðàâëåíèÿ ñåòüþ, ïðåäñòàâëÿþùèé ñîáîé ôóíêöèîíàëüíûé ëîãè÷åñêèé îáúåêò, êîòîðûé ñîäåðæèòñÿ â îäíîì óçëå èëè ãðóïïå óçëîâ, ïîäêëþ÷åííûõ ê êîëüöåâîé ñåòè ñ ìàðêåðíûì äîñòóïîì, õðàíèò ñâåäåíèÿ îá èçìåíåíèÿõ êîíôèãóðàöèè ñåòè, â ò.÷. ñâåäåíèÿ î ïîäêëþ÷åííûõ è îòêëþ÷åííûõ ñòàíöèÿõ äàííûõ, ôóíêöèÿõ, âûïîëíÿåìûõ ñòàíöèÿìè, êîëè÷åñòâå è õàðàêòåðå îøèáîê, âîçíèêàþùèõ â ñåòè è åå ñòàíöèÿõ

configuration report server; CRS

64 ìîíèòîð îøèáîê êîëüöà; ÌÎÊ: Êîíöåïòóàëüíûé ýëåìåíò êîíòðîëÿ ñåòè, ïðåäñòàâëÿþùèé ñîáîé ôóíêöèîíàëüíûé ëîãè÷åñêèé îáúåêò, êîòîðûé ñîäåðæèòñÿ â îäíîì óçëå èëè ãðóïïå óçëîâ, ïîäêëþ÷åííûõ ê êîëüöåâîé ñåòè ñ ìàðêåðíûì äîñòóïîì, è îñóùåñòâëÿåò ñáîð ñâåäåíèé îá îøèáêàõ, âîçíèêàþùèõ â ôèçè÷åñêîé ñðåäå è ñòàíöèÿõ äàííûõ

ring error monitor; REM

65 ñëóæáà ïàðàìåòðîâ êîëüöà; ÑÏÊ: Êîíöåïòóàëüíûé ýëåìåíò óïðàâëåíèÿ ñåòüþ, ïðåäñòàâëÿþùèé ñîáîé ôóíêöèîíàëüíûé ëîãè÷åñêèé îáúåêò, êîòîðûé ñîäåðæèòñÿ â îäíîì óçëå èëè ãðóïïå óçëîâ, ïîäêëþ÷åííûõ ê êîëüöåâîé ñåòè ñ ìàðêåðíûì äîñòóïîì, è îòâå÷àåò çà èíèöèàöèþ íàáîðà îïåðàöèîííûõ ïàðàìåòðîâ â ñòàíöèÿõ êîíêðåòíîé ñåòè

ring parameter server; RPS

66 êîëüöåâàÿ çàäåðæêà: Èíòåðâàë âðåìåíè, èçìåðÿåìûé â åäèíèöàõ âðåìåíè ïåðåäà÷è áèòà ïðè óñòàíîâëåííîé áèòîâîé ñêîðîñòè, íåîáõîäèìîé äëÿ ðàñïðîñòðàíåíèÿ ñèãíàëà ïî âñåé êîëüöåâîé ñåòè ñ ìàðêåðíûì äîñòóïîì.

Ïðèìå÷àíèå. Êîëüöåâàÿ çàäåðæêà ñëàãàåòñÿ èç çàäåðæêè ðàñïðîñòðàíåíèÿ ñèãíàëà ïî ôèçè÷åñêîé ñðåäå è ñóììû çàäåðæåê ñèãíàëà âî âñåõ ñòàíöèÿõ äàííûõ êîëüöåâîé ñåòè

ring latency

67 ãðóïïîâàÿ ïåðåäà÷à êàäðîâ äàííûõ: Ïåðåäà÷à, ïðè êîòîðîé ñòàíöèÿ äàííûõ, âëàäåþùàÿ êàäðîì ìàðêåðà, ïîñëåäîâàòåëüíî ïåðåäàåò íåñêîëüêî êàäðîâ äàííûõ

multicast

5. ÊÎËÜÖÅÂÀß ÑÅÒÜ Ñ ÒÀÊÒÈÐÎÂÀÍÍÛÌ ÄÎÑÒÓÏÎÌ

68 êîëüöåâàÿ ñåòü ñ òàêòèðîâàííûì äîñòóïîì; ÊÒÄ: Êîëüöåâàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü, â êîòîðîé äàííûå ìåæäó ñòàíöèÿìè äàííûõ ïåðåäàþòñÿ òàêòàìè â ðåãóëÿðíûå èíòåðâàëû âðåìåíè ñèíõðîííî äëÿ âñåõ ñòàíöèé

slotted-ring network

69 òàêò (êîëüöåâîé ñåòè): Ãðóïïà èç îïðåäåëåííîãî ÷èñëà ïîñëåäîâàòåëüíûõ áèòîâûõ ïîçèöèé, öèðêóëèðóþùàÿ ïî êîëüöåâîé ñåòè ñ òàêòèðîâàííûì äîñòóïîì è âìåùàþùàÿ îäèí ìèíè-ïàêåò

ring slot

70 ìèíèàêåò: Áëîê äàííûõ, ðàçìåùàåìûé â òàêòå è èñïîëüçóåìûé äëÿ ïåðåíîñà ôðàãìåíòîâ êàäðîâ äàííûõ ìåæäó óçëàìè êîëüöåâîé ñåòè ñ òàêòèðîâàííûì äîñòóïîì ïîä óïðàâëåíèåì îêîíå÷íîãî îáîðóäîâàíèÿ äàííûõ

mini-packet

71 òàêòîâàÿ ãðóïïà: Îäèí èëè íåñêîëüêî ïîñëåäîâàòåëüíûõ òàêòîâ îäèíàêîâîé äëèíû, öèðêóëèðóþùèõ ïî êîëüöåâîé ñåòè ñ òàêòèðîâàííûì äîñòóïîì, ñ ïðîáåëîì ìåæäó êîíöîì ïîñëåäíåãî è íà÷àëîì ïåðâîãî òàêòà ãðóïïû.

Ïðèìå÷àíèå. Ïîä ïðîáåëîì ïîíèìàþò ïîñëåäîâàòåëüíîñòü íóëåé

stol structure

72 ðîçåòêà ñåòåâîãî ñîåäèíèòåëÿ: Ðîçåòî÷íàÿ ÷àñòü ñîåäèíèòåëÿ, ïîñðåäñòâîì êîòîðîé ê êîëüöåâîé ñåòè ñ òàêòèðîâàííûì äîñòóïîì ïîäñîåäèíÿþòñÿ ìîíèòîð, ðåãèñòðèðóþùàÿ ñòàíöèÿ, ïîâòîðèòåëü, óçåë ñåòè èëè âèëêà ñâÿçíîñòè

ring connector socket

73 âèëêà ñåòåâîãî ñîåäèíèòåëÿ: Âèëî÷íàÿ ÷àñòü ñîåäèíèòåëÿ íà ñòîðîíå ñòàíöèè äàííûõ èëè óçëà ñåòè, îáåñïå÷èâàþùàÿ ïîäêëþ÷åíèå ìîíèòîðà, ðåãèñòðèðóþùåé ñòàíöèè, ïîâòîðèòåëÿ èëè óçëà ñåòè ê êîëüöåâîé ñåòè ñ òàêòèðîâàííûì äîñòóïîì ÷åðåç ðîçåòêó ñåòåâîãî ñîåäèíèòåëÿ

ring connector plug

74 âèëêà ñâÿçíîñòè: Âèëî÷íàÿ ÷àñòü ñîåäèíèòåëÿ, îáåñïå÷èâàþùàÿ ñâÿçíîñòü êîëüöåâîé ñåòè ñ òàêòèðîâàííûì äîñòóïîì èëè îòñóòñòâèè óñòðîéñòâ, ïîäêëþ÷àåìûõ ê ðîçåòêå ñåòåâîãî ñîåäèíèòåëÿ

continuity plug

75 ôèçè÷åñêèé ñåãìåíò (êîëüöà): ×àñòü êîëüöåâîé ñåòè ñ òàêòèðîâàííûì äîñòóïîì ìåæäó äâóìÿ ðîçåòêàìè ñåòåâîãî ñîåäèíèòåëÿ

physical ring segment

76 ëîãè÷åñêèé ñåãìåíò (êîëüöà): ×àñòü êîëüöåâîé ñåòè ñ òàêòèðîâàííûì äîñòóïîì, îõâàòûâàþùàÿ îäèí èëè íåñêîëüêî ôèçè÷åñêèõ ñåãìåíòîâ, ñîåäèíåííûõ âèëêàìè ñâÿçíîñòè è ðàñïîëîæåííûõ ìåæäó äâóìÿ ðîçåòêàìè ñåòåâîãî ñîåäèíèòåëÿ, ê êîòîðûì ïîäêëþ÷åíû ïîâòîðèòåëè

logical ring segment

6. ÂÇÀÈÌÎÑÂßÇÜ ÌÅÆÄÓ ËÎÊÀËÜÍÛÌÈ ÂÛ×ÈÑËÈÒÅËÜÍÛÌÈ ÑÅÒßÌÈ

77 ìîñò íà ïîäóðîâíå óïðàâëåíèÿ äîñòóïîì ê ñðåäå; ìîñò ÓÄÑ: Óñòðîéñòâî, îáåñïå÷èâàþùåå âçàèìîñâÿçü íåñêîëüêèõ ëîêàëüíûõ âû÷èñëèòåëüíûõ ñåòåé ïîñðåäñòâîì òðàíñëÿöèè êàäðîâ óïðàâëåíèÿ äîñòóïîì ê ñðåäå èç îäíîé ËÂÑ â äðóãóþ ñ ïðåîáðàçîâàíèåì, â ñëó÷àå ðàçíîòèïíûõ ËÂÑ, ïðîòîêîëîâ óïðàâëåíèÿ äîñòóïîì ê ñðåäå

MAC-bridge

78 îáúåäèíåííàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü: Ñîâîêóïíîñòü ëîêàëüíûõ âû÷èñëèòåëüíûõ ñåòåé, ñîåäèíåííûõ ìîñòàìè íà ïîäóðîâíå óïðàâëåíèÿ äîñòóïîì ê ñðåäå

bridged LAM

79 ïîðò (ìîñòà): Ôóíêöèîíàëüíàÿ ÷àñòü ìîñòà íà ïîäóðîâíå óïðàâëåíèÿ äîñòóïîì ê ñðåäå, îáåñïå÷èâàþùàÿ åãî ñîïðÿæåíèå ñ îäíîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòüþ è ðåàëèçóþùàÿ ñîîòâåòñòâóþùèé ïðîòîêîë óïðàâëåíèÿ äîñòóïîì ê ñðåäå

port

80 àêòèâíàÿ êîíôèãóðàöèÿ ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè: Êîíôèãóðàöèÿ âçàèìîñâÿçàííûõ ëîêàëüíûõ âû÷èñëèòåëüíûõ ñåòåé, ôîðìèðóåìàÿ àêòèâíûìè ïîðòàìè ìîñòîâ, òðàíñëèðóþùèìè êàäðû óïðàâëåíèÿ äîñòóïîì ê ñðåäå

active topology

81 ïîêðûâàþùåå äåðåâî: Àêòèâíàÿ êîíôèãóðàöèÿ äðåâîâèäíîé òîïîëîãèè, îõâàòûâàþùàÿ âñå ëîêàëüíûå âû÷èñëèòåëüíûå ñåòè îáúåäèíåííîé ñåòè è îáåñïå÷èâàþùàÿ åäèíñòâåííûé ìàðøðóò ìåæäó ëþáûìè åå äâóìÿ ñòàíöèÿìè äàííûõ

spanning tree

82 êîðíåâîé ìîñò: Ìîñò íà ïîäóðîâíå óïðàâëåíèÿ äîñòóïîì ê ñðåäå, ÿâëÿþùèéñÿ êîðíåì ïîêðûâàþùåãî äåðåâà è âûïîëíÿþùèé íåêîòîðûå ôóíêöèè ïî ïîääåðæàíèþ àêòèâíîé êîíôèãóðàöèè îáúåäèíåííîé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè

root bridge

83 êîðíåâîé ïîðò: Ïîðò ìîñòà â àêòèâíîé êîíôèãóðàöèè ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, ñîåäèíÿþùèé äàííûé ìîñò ñ êîðíåâûì

root port

84 íàçíà÷åííûé ïîðò: Ïîðò ìîñòà, ÷åðåç êîòîðûé äàííàÿ ëîêàëüíàÿ âû÷èñëèòåëüíàÿ ñåòü âçàèìîäåéñòâóåò ñ îñòàëüíûìè ËÂÑ îáúåäèíåííîé ñåòè

designated port

85 íàçíà÷åííûé ìîñò: Ìîñò íà ïîäóðîâíå óïðàâëåíèÿ äîñòóïîì ê ñðåäå, ñîäåðæàùèé íàçíà÷åííûé ïîðò

designated bridge

86 ôèëüòðàöèÿ êàäðîâ: Ïðîöåññ èçáèðàòåëüíîé òðàíñëÿöèè êàäðîâ óïðàâëåíèÿ äîñòóïîì ê ñðåäå ÷åðåç ìîñò íà ïîäóðîâíå óïðàâëåíèÿ äîñòóïîì ê ñðåäå

filtering

87 áàçà äàííûõ ôèëüòðàöèè; ÁÄÔ: Êîíöåïòóàëüíîå õðàíèëèùå äàííûõ, íåîáõîäèìûõ äëÿ ïðàâèëüíîé ìàðøðóòèçàöèè òðàíñëèðóåìûõ êàäðîâ óïðàâëåíèÿ äîñòóïîì ê ñðåäå è îáåñïå÷èâàþùèõ êîððåëÿöèþ ìåæäó íîìåðîì ïîðòà ìîñòà è àäðåñàìè ñòàíöèé ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, äîñòóïíûõ ÷åðåç ýòîò ïîðò

filtering data base; FDB

ÀËÔÀÂÈÒÍÛÉ ÓÊÀÇÀÒÅËÜ ÒÅÐÌÈÍΠÍÀ ÐÓÑÑÊÎÌ ßÇÛÊÅ

Àäìèíèñòðèðîâàíèå àäðåñàöèè                                                                                        28

Àäìèíèñòðèðîâàíèå àäðåñàöèè â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè                       28

Àäìèíèñòðèðîâàíèå â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè ëîêàëüíîå                      29

Àäìèíèñòðèðîâàíèå â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè óíèâåðñàëüíîå              30

Àäìèíèñòðèðîâàíèå ëîêàëüíîå                                                                                           29

Àäìèíèñòðèðîâàíèå óíèâåðñàëüíîå                                                                                    30

Àëãîðèòì âûäåðæêè äâîè÷íûé ýêñïîíåíöèàëüíûé óñå÷åííûé                             40

Áàçà äàííûõ ôèëüòðàöèè                                                                                                   87

ÁÄÔ                                                                                                                                         87

Âèëêà ñâÿçíîñòè                                                                                                                   74

Âèëêà ñåòåâîãî ñîåäèíèòåëÿ                                                                                             73

Âûäåðæêà                                                                                                                                41

Âûäåðæêà ñòàíöèè                                                                                                              41

Ãðóïïà òàêòîâàÿ                                                                                                                   71

Äåðåâî ïîêðûâàþùåå                                                                                                         81

Äèñïåò÷åð ñòàíöèè äàííûõ                                                                                               12

ÄÌÊ                                                                                                                                         32

Äîñòóï ñ êîíòðîëåì íîñèòåëÿ è îáíàðóæåíèåì ñòîëêíîâåíèé êîëëåêòèâíûé             34

Äîñòóï ñ îïîçíàâàíèåì íåñóùåé è îáíàðóæåíèåì êîíôëèêòîâ êîëëåêòèâíûé 34

Çàäåðæêà                                                                                                                                 43

Çàäåðæêà êîëüöåâàÿ                                                                                                           66

Çàäåðæêà êðóãîâîãî îáõîäà                                                                                                   45

Çàäåðæêà êðóãîâîãî îáõîäà øèííîé ñåòè                                                                       45

Çàäåðæêà ïåðåäà÷è                                                                                                              43

Çàäåðæêà òðàêòà ïåðåäà÷è                                                                                                    44

Çàäåðæêà òðàêòà ïåðåäà÷è øèííîé ñåòè                                                                        44

Çàõâàò                                                                                                                                      27

Çàõâàò êàíàëà                                                                                                                       27

Çâåíî âîñõîäÿùåå                                                                                                                60

Çâåíî íèñõîäÿùåå                                                                                                               59

ÈÌÑ                                                                                                                                         20

Èíòåðâàë îòâåòà                                                                                                                   54

Èíòåðâàë óñå÷åíèÿ êàäðà                                                                                                  39

Èíòåðôåéñ, çàâèñèìûé îò ñðåäû                                                                                      21

Èíòåðôåéñ ñ ìîäóëåì ñîïðÿæåíèÿ                                                                                  20

ÈÑÑ                                                                                                                                         22

Êàáåëü ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè ìàãèñòðàëüíûé                                         14

Êàáåëü ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè îòâåòâèòåëüíûé                                       15

Êàáåëü ìàãèñòðàëüíûé                                                                                                          14

Êàáåëü îòâåòâèòåëüíûé                                                                                                         15

Êàäð äàííûõ                                                                                                                         26

Êàäð ìàðêåðà                                                                                                                        24

Êàíàë ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè îáðàòíûé                                                     58

Êàíàë ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè ïðÿìîé                                                         57

Êàíàë îáðàòíûé                                                                                                                     58

Êàíàë ïðÿìîé                                                                                                                         57

ÊÄÎÍ/ÎÊ                                                                                                                                34

ÊÊ                                                                                                                                            37

ÊÌÄ                                                                                                                                         61

Êîäèðîâàíèå ìàí÷åñòåðñêîå äèôôåðåíöèàëüíîå                                                        32

Êîëüöî ëîãè÷åñêîå                                                                                                                 53

Êîëüöî ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè ëîãè÷åñêîå                                                53

Êîìáèíàöèÿ «êîíôëèêò»                                                                                                   37

Êîíòðîëü íîñèòåëÿ                                                                                                               35

Êîíôèãóðàöèÿ ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè àêòèâíàÿ                                      80

Êîíôëèêò                                                                                                                                36

Êîíôëèêò â ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè                                                              36

ÊÒÄ                                                                                                                                          68

ËÂÑ                                                                                                                                           1

ÌÄÑ                                                                                                                                         18

Ìèíè-ïàêåò                                                                                                                           70

Ìîäóëü äîñòóïà ê ñðåäå                                                                                                      18

Ìîäóëü ñîïðÿæåíèÿ ñ ìàãèñòðàëüþ                                                                                 19

Ìîäóëü ñîïðÿæåíèÿ ñî ñðåäîé                                                                                          17

ÌÎÊ                                                                                                                                         64

Ìîíèòîð                                                                                                                                  62

Ìîíèòîð êîëüöåâîé ñåòè                                                                                                    62

Ìîíèòîð îøèáîê êîëüöà                                                                                                    64

Ìîñò êîðíåâîé                                                                                                                      82

Ìîñò íàçíà÷åííûé                                                                                                              85

Ìîñò íà ïîäóðîâíå óïðàâëåíèÿ äîñòóïîì ê ñðåäå                                                        77

Ìîñò ÓÄÑ                                                                                                                               77

ÌÑÌ                                                                                                                                        19

ÌÑÑ                                                                                                                                         17

Îáîðóäîâàíèå äàííûõ îêîíå÷íîå                                                                                    16

Îáúåäèíèòåëü                                                                                                                         46

Îáúåäèíèòåëü ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè                                                         46

Îêíî îòâåòà                                                                                                                           55

ÎÎÄ                                                                                                                                         16

Îïîçíàâàíèå íåñóùåé                                                                                                        35

Îòâåòâèòåëü                                                                                                                            47

Îòâåòâèòåëü ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè                                                            47

Îòñðî÷êà                                                                                                                                 42

Îòñðî÷êà ïåðåäà÷è                                                                                                              42

Ïåðåäà÷à êàäðîâ äàííûõ ãðóïïîâàÿ                                                                                67

Ïîäóðîâåíü ïåðåäà÷è ôèçè÷åñêèõ ñèãíàëîâ                                                                 11

Ïîäóðîâåíü ÏÔÑ                                                                                                                    11

Ïîäóðîâåíü ÓÄÑ                                                                                                                    10

Ïîäóðîâåíü ÓËÇ                                                                                                                       9

Ïîäóðîâåíü óïðàâëåíèÿ äîñòóïîì ê ñðåäå                                                                     10

Ïîäóðîâåíü óïðàâëåíèÿ ëîãè÷åñêèì çâåíîì                                                                  9

Ïîðò                                                                                                                                         79

Ïîðò êîðíåâîé                                                                                                                      83

Ïîðò ìîñòà                                                                                                                             79

Ïîðò íàçíà÷åííûé                                                                                                               84

Ïðîöåäóðà ïåðåäà÷è ìàðêåðà                                                                                            25

Ðàñïðåäåëèòåëü                                                                                                                      48

Ðàñïðåäåëèòåëü ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè                                                      48

Ðåìîäóëÿòîð ðàñïðåäåëèòåëÿ                                                                                            56

Ðîçåòêà ñåòåâîãî ñîåäèíèòåëÿ                                                                                          72

Ñåãìåíò êîëüöà ëîãè÷åñêèé                                                                                             76

Ñåãìåíò êîëüöà ôèçè÷åñêèé                                                                                             75

Ñåãìåíò ëîãè÷åñêèé                                                                                                              76

Ñåãìåíò ôèçè÷åñêèé                                                                                                             75

Ñåòü âû÷èñëèòåëüíàÿ ëîêàëüíàÿ                                                                                      1

Ñåòü âû÷èñëèòåëüíàÿ ëîêàëüíàÿ êîëüöåâàÿ                                                                  6

Ñåòü âû÷èñëèòåëüíàÿ ëîêàëüíàÿ îáúåäèíåííàÿ                                                         78

Ñåòü âû÷èñëèòåëüíàÿ ëîêàëüíàÿ øèííàÿ                                                                       5

Ñåòü âû÷èñëèòåëüíàÿ ëîêàëüíàÿ øèðîêîïîëîñíàÿ                                                      3

Ñåòü âû÷èñëèòåëüíàÿ ëîêàëüíàÿ øèðîêîïîëîñíàÿ äâóõêàáåëüíàÿ                        52

Ñåòü âû÷èñëèòåëüíàÿ ëîêàëüíàÿ øèðîêîïîëîñíàÿ îäíîêàáåëüíàÿ                        51

Ñåòü êîëüöåâàÿ                                                                                                                         6

Ñåòü îñíîâíîé ïîëîñû ÷àñòîò âû÷èñëèòåëüíàÿ ëîêàëüíàÿ                                         2

Ñåòü ñ ìàðêåðíûì äîñòóïîì êîëüöåâàÿ                                                                         61

Ñåòü ñ ìàðêåðíûì äîñòóïîì øèííàÿ                                                                              50

Ñåòü ñî ñëó÷àéíûì äîñòóïîì øèííàÿ                                                                            33

Ñåòü ñ òàêòèðîâàííûì äîñòóïîì êîëüöåâàÿ                                                                 68

Ñåòü øèííàÿ                                                                                                                             5

Ñèìâîë ïîäóðîâíÿ óïðàâëåíèÿ äîñòóïîì ê ñðåäå                                                        31

Ñèìâîë ÓÄÑ                                                                                                                           31

Ñëóæáà îò÷åòà î êîíôèãóðàöèè                                                                                        63

Ñëóæáà ïàðàìåòðîâ êîëüöà                                                                                               65

Ñîåäèíèòåëü ñî ñðåäîé èíòåðôåéñíûé                                                                           22

ÑÎÊ                                                                                                                                         63

ÑÏÊ                                                                                                                                         65

Ñðåäà ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè ôèçè÷åñêàÿ                                                  13

Ñðåäà ôèçè÷åñêàÿ                                                                                                                  13

Ñòàíöèÿ                                                                                                                                     4

Ñòàíöèÿ äàííûõ                                                                                                                    4

Òàêò                                                                                                                                         69

Òàêò êîëüöåâîé ñåòè                                                                                                           69

ÓÊ                                                                                                                                            38

Óðîâåíü çâåíà äàííûõ                                                                                                          8

Óðîâåíü ôèçè÷åñêèé                                                                                                             7

Óñèëåíèå êîíôëèêòà                                                                                                          38

Ôèëüòðàöèÿ êàäðîâ                                                                                                             86

Öåíòðîâèê                                                                                                                               49

Öåíòðîâèê ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè                                                               49

Øëþç                                                                                                                                       23

Øëþç ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè                                                                         23

ØÌÄ                                                                                                                                       50

ØÑÄ                                                                                                                                        33

ÀËÔÀÂÈÒÍÛÉ ÓÊÀÇÀÒÅËÜ ÈÍÎßÇÛ×ÍÛÕ ÝÊÂÈÂÀËÅÍÒΠÒÅÐÌÈÍÎÂ

Active topology                                                                                                                        80

Address administration                                                                                                             28

Attachment unit interface                                                                                                          20

AUI                                                                                                                                           20

Backoff                                                                                                                                     41

Baseband LAN                                                                                                                           2

Bridged LAN                                                                                                                            78

Broadband LAN                                                                                                                         3

Bus LAN                                                                                                                                   33

Bus network                                                                                                                                5

Carrier sense                                                                                                                            35

Carrier sense multiple access with collision detection                                                            34

CE                                                                                                                                            38

Collision                                                                                                                                   36

Collision enforcement                                                                                                              38

Configuration report server                                                                                                      63

Continuity plug                                                                                                                         74

Coupler                                                                                                                                     46

CRS                                                                                                                                          63

CSMA/CD                                                                                                                                34

Data link layer                                                                                                                            8

Data station                                                                                                                                 4

Data terminal equipment                                                                                                           16

Deference                                                                                                                                 42

Delay                                                                                                                                        43

Designated bridge                                                                                                                     85

Designated port                                                                                                                        84

Differential manchester encoding                                                                                             32

Downlink                                                                                                                                  59

Drop cable                                                                                                                                15

DTE                                                                                                                                          16

FOB                                                                                                                                          87

Filtering                                                                                                                                    86

Filtering data base                                                                                                                    87

Frame                                                                                                                                       26

Forward cnannel                                                                                                                       57

Gateway                                                                                                                                   23

Head-end                                                                                                                                  48

Head-end remodulator                                                                                                              56

Hub                                                                                                                                           49

Jabber                                                                                                                                       27

Jam                                                                                                                                           37

LAN                                                                                                                                            1

LLC                                                                                                                                            9

Local administration                                                                                                                 29

Local area network                                                                                                                     1

Logical link control sublayer                                                                                                      9

Logical ring                                                                                                                              53

Logical ring segment                                                                                                                 76

MAC                                                                                                                                         10

MAC-bridge                                                                                                                             77

MAC-symbol                                                                                                                            31

MAU                                                                                                                                         17

MDI                                                                                                                                          21

Medium access control sublayer                                                                                              10

Medium attachment unit                                                                                                            17

Medium dependent interface                                                                                                     21

Medium interface connector                                                                                                     22

MGT                                                                                                                                         12

MIC                                                                                                                                          22

Mini-packet                                                                                                                              70

Monitor                                                                                                                                     62

Multicast                                                                                                                                   67

Physical laver                                                                                                                             7

Physical medium attachment                                                                                                     18

Physical signalling sublayer                                                                                                     11

Physical ring segment                                                                                                               75

PLS                                                                                                                                           11

PMA                                                                                                                                         18

Port                                                                                                                                           79

REM                                                                                                                                         64

Response window                                                                                                                    55

Reverse channel                                                                                                                       58

Ring connector plug                                                                                                                  73

Ring connector socket                                                                                                               72

Ring error monitor                                                                                                                    64

Ring latency                                                                                                                              66

Ring network                                                                                                                              6

Ring parameter server                                                                                                              65

Ring slot                                                                                                                                   69

Root bridge                                                                                                                               82

Root port                                                                                                                                  83

Round-trip propagation time                                                                                                     45

RPS                                                                                                                                          65

Single-cable broadband LAN                                                                                                   51

Slot structure                                                                                                                            71

Slot time                                                                                                                             39, 54

Slotted-ring network                                                                                                                 68

Spanning tree                                                                                                                            81

Station management                                                                                                                  12

Tap                                                                                                                                           47

TCU                                                                                                                                          19

Token                                                                                                                                        24

Token-bus network                                                                                                                   50

Token passing procedure                                                                                                          25

Token-ring network                                                                                                                  61

Transmission medium                                                                                                               13

Transmission path delay                                                                                                           44

Truncated binary exponential backoff                                                                                       40

Trunk cable                                                                                                                               14

Trunk coupling unit                                                                                                                   19

Two-cable broadband LAN                                                                                                     52

Universal administration                                                                                                          30

Uplink                                                                                                                                       60

ÏÐÈËÎÆÅÍÈÅ 1

Ñïðàâî÷íîå

ÎÁÙÅÒÅÕÍÈ×ÅÑÊÈÅ ÒÅÐÌÈÍÛ, ÈÑÏÎËÜÇÓÅÌÛÅ Â ÑÒÀÍÄÀÐÒÅ, È ÈÕ ÎÏÐÅÄÅËÅÍÈß

1 ïîâòîðèòåëü: Óñòðîéñòâî, ðàñïîëîæåííîå â óçëå ëîêàëüíîé âû÷èñëèòåëüíîé ñåòè, âûïîëíÿþùåå ôóíêöèè ðåãåíåðàöèè è ñèíõðîíèçàöèè ñèãíàëîâ è ïðåäíàçíà÷åííîå äëÿ óâåëè÷åíèÿ äëèíû è ðàñøèðåíèÿ òîïîëîãèè ôèçè÷åñêîé ñðåäû çà ïðåäåëû îäíîãî ñåãìåíòà èëè äëÿ îðãàíèçàöèè äâóõ âåòâåé

repeater

2 ðåòðàíñëÿöèÿ äàííûõ: Äåéñòâèÿ ñòàíöèè ïî ïðèåìó áèòîâîãî ïîòîêà îò ïðåäûäóùåé ñòàíöèè äàííûõ è ïîìåùåíèþ åãî â ôèçè÷åñêóþ ñðåäó äëÿ ïåðåäà÷è ñëåäóþùåé ñòàíöèè.

Ïðèìå÷àíèå. Ñòàíöèÿ äàííûõ, ðåòðàíñëèðóþùàÿ áèòîâûé ïîòîê, ìîæåò ñêîïèðîâàòü åãî â ñâîé áóôåð è, ïðè íåîáõîäèìîñòè, ñìîäèôèöèðîâàòü áèòû óïðàâëåíèÿ

relay

3 ïîñëåäîâàòåëüíîñòü ïðåðûâàíèÿ: Îïðåäåëåííàÿ áèòîâàÿ êîìáèíàöèÿ, êîòîðàÿ ìîæåò áûòü ïåðåäàíà â ëþáîì ìåñòå áèòîâîãî ïîòîêà è èñïîëüçóåòñÿ äëÿ ñîçíàòåëüíîãî ïðåðûâàíèÿ ïåðåäà÷è êàäðà äàííûõ

abort sequence

4 áèòîâûé ýëåìåíò: Îäèí ñèìâîë äàííûõ èëè ñèìâîë óïðàâëåíèÿ

bit-cell

5 áèòîâûé èíòåðâàë: Äëèòåëüíîñòü ïåðåäà÷è îäíîãî áèòîâîãî ýëåìåíòà, èçìåðÿåìàÿ â åäèíèöàõ, îáðàòíûõ áèòîâîé ñêîðîñòè

bit-time

6 åäèíè÷íûé èíòåðâàë; ÅÈ: Ïîëîâèíà áèòîâîãî èíòåðâàëà

time unit

7 êàäð óïðàâëåíèÿ: Êàäð äàííûõ, êîòîðûé ïåðåäàåòñÿ óðîâíåì èëè ïîäóðîâíåì îáúåêòó òîãî æå óðîâíÿ èëè ïîäóðîâíÿ äðóãîé ñèñòåìû, íî íå ïåðåäàåòñÿ âûøåðàñïîëîæåííûì óðîâíÿì èëè ïîäóðîâíÿì

control frame

ÏÐÈËÎÆÅÍÈÅ 2

Ñïðàâî÷íîå

ÀÐÕÈÒÅÊÒÓÐÀ ÍÈÆÍÈÕ ÓÐÎÂÍÅÉ ËÂÑ Â ÑÎÏÎÑÒÀÂËÅÍÈÈ Ñ ÀÐÕÈÒÅÊÒÓÐÎÉ ÝÒÀËÎÍÍÎÉ ÌÎÄÅËÈ ÂÇÀÈÌÎÑÂßÇÈ ÎÒÊÐÛÒÛÕ ÑÈÑÒÅÌ (ÂÎÑ)

ÈÇÑ - çàâèñèìûé îò ñðåäû èíòåðôåéñ;

ÈÌÑ - èíòåðôåéñ ñ ìîäóëåì ñîïðÿæåíèÿ;

ÈÑÑ - èíòåðôåéñíûé ñîåäèíèòåëü ñî ñðåäîé;

ÌÄÑ - ìîäóëü äîñòóïà ê ñðåäå;

ÌÑÌ - ìîäóëü ñîïðÿæåíèÿ ñ ìàãèñòðàëüþ;

ÌÑÑ - ìîäóëü ñîïðÿæåíèÿ ñî ñðåäîé.

Ïðèìå÷àíèå. Ðàçìåùåíèå ÈÑÑ íà êîíöàõ îòâåòâèòåëüíîãî êàáåëÿ èëè â åãî ðàçðûâå îïðåäåëÿåòñÿ ðàçðàáîò÷èêîì ËÂÑ è íå ðåãëàìåíòèðóåòñÿ ñòàíäàðòîì.

ÈÍÔÎÐÌÀÖÈÎÍÍÛÅ ÄÀÍÍÛÅ

1. ÐÀÇÐÀÁÎÒÀÍ È ÂÍÅÑÅÍ Ìèíèñòåðñòâîì ðàäèîïðîìûøëåííîñòè ÑÑÑÐ

2. ÓÒÂÅÐÆÄÅÍ È ÂÂÅÄÅÍ Â ÄÅÉÑÒÂÈÅ Ïîñòàíîâëåíèåì Êîìèòåòà ñòàíäàðòèçàöèè è ìåòðîëîãèè ÑÑÑÐ îò 25.09.91 ¹ 1491

3. ÂÂÅÄÅÍ ÂÏÅÐÂÛÅ

4. ÑÑÛËÎ×ÍÛÅ ÍÎÐÌÀÒÈÂÍÎ-ÒÅÕÍÈ×ÅÑÊÈÅ ÄÎÊÓÌÅÍÒÛ

Îáîçíà÷åíèå ÍÒÄ, íà êîòîðûé äàíà ññûëêà

Íîìåð ïóíêòà

ÃÎÑÒ 15971-90

Ââîäíàÿ ÷àñòü

ÃÎÑÒ 17657-79

16

ÃÎÑÒ 19781-90

Ââîäíàÿ ÷àñòü

ÃÎÑÒ 24402-88

1, 4, 7, 8, 26

5. ÏÅÐÅÈÇÄÀÍÈÅ. Ìàé 2004 ã.

ÑÎÄÅÐÆÀÍÈÅ

1. Îáùèå ïîíÿòèÿ. 1

2. Øèííàÿ ñåòü ñî ñëó÷àéíûì äîñòóïîì.. 4

3. Øèííàÿ ñåòü ñ ìàðêåðíûì äîñòóïîì.. 6

4. Êîëüöåâàÿ ñåòü ñ ìàðêåðíûì äîñòóïîì.. 7

5. Êîëüöåâàÿ ñåòü ñ òàêòèðîâàííûì äîñòóïîì.. 8

6. Âçàèìîñâÿçü ìåæäó ëîêàëüíûìè âû÷èñëèòåëüíûìè ñåòÿìè. 8

Àëôàâèòíûé óêàçàòåëü òåðìèíîâ íà ðóññêîì ÿçûêå. 9

Àëôàâèòíûé óêàçàòåëü èíîÿçû÷íûõ ýêâèâàëåíòîâ òåðìèíîâ. 12

Ïðèëîæåíèå 1. Îáùåòåõíè÷åñêèå òåðìèíû, èñïîëüçóåìûå â ñòàíäàðòå, è èõ îïðåäåëåíèÿ. 14

Ïðèëîæåíèå 2. Àðõèòåêòóðà íèæíèõ óðîâíåé ËÂÑ â ñîïîñòàâëåíèè ñ àðõèòåêòóðîé ýòàëîííîé ìîäåëè âçàèìîñâÿçè îòêðûòûõ ñèñòåì (ÂÎÑ) 15

 

2008-2013. ÃÎÑÒû, ÑÍèÏû, ÑàíÏèÍû - Íîðìàòèâíûå äîêóìåíòû - ñòàíäàðòû.