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  1. #1
    Maxtor fan :) Deltichko's Avatar
    Join Date: Apr:2008
    Location: Ñîôèÿ
    Posts: 222

    Êàêâî å òîâà êîìïþòúðíî óñòðîéñòâî?

    Çäðàâåéòå, ñäîáèõ ñå ñ òîçè RS232C-êîíâåðòîð, íî íå óñïÿâàì äà îòêðèÿ ïîâå÷å èíôîðìàöèÿ çà íåãî, êàêâî òî÷íî ïðàâè. Îòâúòðå åëåêòðîíèêàòà å çàïàäíà, ïëàòêàòà å ïðîèçâåäåíà 1994 ã. Êàáåëúò å ñåâëèåâñêè, ùåïñåëúò âàðíåíñêè.
    Çíàåòå ëè êàê ïî-òî÷íî è çà êàêâî ñå èçïîëçâà, ìîæåòå ëè äà ìè êàæåòå? Çàñåãà ñàìî ïðåäïîëàãàìå, ÷å å óñèëâàòåë íà ñèãíàë, ïðåäàâàí ïî RS232C ïðåç ÑÎÌ-ïîðòîâå. È ÷å äàííèòå ïðåç íåãî ñå ïðåäàâàò, êàòî óñòðîéñòâàòà ñå ñâúðæàò ïî ãîðå-äîëó ñëåäíàòà ñõåìà: êîìïþòúð - êúñ êàáåë - ÒÎÂÀ - ïî-äúëúã êàáåë - äðóã êîìïþòúð èëè óñòðîéñòâî. Íà ïðàâ ïúò ëè ñìå?
    Áëàãîäàðÿ Âè!

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    Last edited by Deltichko; 28th January 2021 at 19:57.
    http://sandacite.bg - Áúëãàðñêèÿò ïîðòàë çà ñòàðà òåõíèêà
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  2. #2
    Registered User dada's Avatar
    Join Date: Mar:2003
    Location: Sofia
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    Íàé-ïðîñòî êàçàíî óñèëâàòåë íà RS-232 ñèãíàë. Ïîçâîëÿâà äà ïðåõâúðëÿø ñèãíàëà íà 4-5 êì ìåæäó äâå òàêèâà óñòðîéñòâà ïî óñóêàíà äâîéêà (òåëåôîííà ëèíèÿ).
    Last edited by dada; 28th January 2021 at 20:26.
    485 hp by Takumi Kurosawa.

  3. #3
    The Unknown rager's Avatar
    Join Date: Jul:2004
    Location: Edge Of Darkness
    Posts: 30,360
    È ïî-òî÷íî - êîíâåðòîð îò RS232 (COM/serial ïîðò, DB-9 èëè DB-25) ñèãíàëè ïî íèâî (íàïðåæåíèå), êúì òàêèâà ïî òîêîâ êðúã, çà äà ìîæå äà ñå îáìåíÿò äàííè íà ãîëÿìî ðàçñòîÿíèå. Åòî ïîäîáíî óñòðîéñòâî:



    Íåîáõîäèìè ñà äâå äâîéêè ïðîâîäíèöè, íàïðèìåð RJ11 êúì òåëåôîííà ëèíèÿ, íà êîÿòî ñà ñâúðçàíè è ÷åòèðèòå ïðîâîäíèêà:



    Åòî è ïðèìåðíà ïðèíöèïíà åëåêòðè÷åñêà ñõåìà:

    Last edited by rager; 28th January 2021 at 21:47.
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  4. #4
    Maxtor fan :) Deltichko's Avatar
    Join Date: Apr:2008
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    Posts: 222
    Quote Originally Posted by dada View Post
    Íàé-ïðîñòî êàçàíî óñèëâàòåë íà RS-232 ñèãíàë. Ïîçâîëÿâà äà ïðåõâúðëÿø ñèãíàëà íà 4-5 êì ìåæäó äâå òàêèâà óñòðîéñòâà ïî óñóêàíà äâîéêà (òåëåôîííà ëèíèÿ).
     òàêúâ ñëó÷àé îïèñàíàòà îò ìåí ïî-ãîðå ñõåìà ,,êîìïþòúð - êúñ êàáåë - ÒÎÂÀ - ïî-äúëúã êàáåë - äðóã êîìïþòúð èëè óñòðîéñòâî" êàê òðÿáâà äà èçãëåæäà?
    Òàêúâ êîíâåðòîð ñå å èçïîëçâàë ïðè èçãðàæäàíåòî íà ðàííèòå ìðåæè?
    Last edited by Deltichko; 29th January 2021 at 09:40.
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  5. #5
    Registered User syman's Avatar
    Join Date: Aug:2016
    Location: Sofia
    Posts: 1,232
    Èçïîëçâà ñå çà óïðàâëåíèå íà åëåìåíòè îò SCADA è íå ñàìî. Êàêâà å öåëòà íà óïðàæíåíèåòî?
    âäóì÷èâî îáî âñåì áûë ïðàâ!!!
    "÷îâåøêîòî ñúçíàíèå è ìèñëîâíè ïðîöåñè ñà êàòî êîìï è òî íå ëèíóêñ" - Blox

  6. #6
    Maxtor fan :) Deltichko's Avatar
    Join Date: Apr:2008
    Location: Ñîôèÿ
    Posts: 222
    Äà ðàçáåðà ïîâå÷å çà íîâèÿ åêñïîíàò â êîëåêöèÿòà ñè.
    Áëàãîäàðÿ çà èíôîðìàöèÿòà.
    Last edited by Deltichko; 28th January 2021 at 22:49.
    http://sandacite.bg - Áúëãàðñêèÿò ïîðòàë çà ñòàðà òåõíèêà
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  7. #7
    The Unknown rager's Avatar
    Join Date: Jul:2004
    Location: Edge Of Darkness
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    Ñåãà ñå ñåòèõ êîé ñè, íî ñå íàäÿâàì ÷èñòî òåõíè÷åñêàòà èíôîðìàöèÿ äà å ïîëåçíà íà äðóãè âúâ ôîðóìà .
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