{"id":1951,"date":"2022-03-26T20:42:26","date_gmt":"2022-03-26T15:42:26","guid":{"rendered":"https:\/\/step-up.uz\/?p=1951"},"modified":"2022-11-09T10:43:21","modified_gmt":"2022-11-09T05:43:21","slug":"tarmoq-kabellari-va-ularning-tasnifi","status":"publish","type":"post","link":"https:\/\/step-up.uz\/en\/tarmoq-kabellari-va-ularning-tasnifi\/","title":{"rendered":"Tarmoq kabellari va ularning tasnifi. RJ-45 amaliyot."},"content":{"rendered":"

Bit & Bayt (Hajm, Tezlik)<\/strong><\/h2>\n\n\n\n

Bit va bayt farqlari<\/strong><\/h3>\n\n\n
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Hajm va tezlik o\u2019rtasidagi farq<\/strong><\/h3>\n\n\n
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Baytlarni tarmoqda jo\u2019natish mumkin emas!<\/strong><\/p>\n\n\n

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A = 01000001<\/strong><\/p>\n\n\n\n

Text = 01010100 01100101 01111000 01110100<\/strong><\/p>\n\n\n\n

Tarmoq qurilmalari o\u2019rtasidagi tezlik<\/strong><\/h2>\n\n\n
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Internet<\/strong><\/td>1-100 Mbps<\/td>Switch<\/strong><\/td>1Gbps, 10 Gbps, 40 Gbps<\/td><\/tr>
Kompyuter<\/strong><\/td>100 Mbps, 1 Gbps<\/td>Router<\/strong><\/td>100 Mbps, 1 Gbps, 10 Gbps<\/td><\/tr>
Server<\/strong><\/td>1 Gbps, 40 Gbps<\/td>Wifi<\/strong><\/td>100 Mbps, 1 Gbps<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Tarmoq kabellari va ularning xarakteristikalari<\/strong><\/h2>\n\n\n
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Tarmoq turlari va ma’lumotlarni uzatish vositalari<\/strong><\/h2>\n\n\n\n
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  • Koaksiyal kabel <\/strong>(eskirgan)<\/li>\n\n\n\n
  • UTP <\/strong>(o’ralgan juftlik)<\/li>\n\n\n\n
  • Optik tolali <\/strong>(bitta rejim va ko’p rejim)<\/li>\n\n\n\n
  • Radio kanallari (Wi-Fi, WiMAX. MMDS, Bluetooth, Sun’iy yo’ldoshlar)<\/strong><\/li>\n\n\n\n
  • Koaksiyal kabel<\/strong><\/li>\n<\/ul>\n\n\n
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    \"\"<\/figure>\n<\/div>\n\n\n
    O\u2019ralgan<\/strong> <\/strong>juftlik<\/strong> <\/strong>kabelining<\/strong> <\/strong>turlari<\/strong><\/td>Tavsifi<\/strong><\/td><\/tr>
    Ekranlanmagan<\/strong> <\/strong>o\u2019ralgan<\/strong> <\/strong>juftlik<\/strong> (UTP)<\/strong><\/td>Himoya ekraniga ega bo\u2019lmagan turi.<\/td><\/tr>
    Folgaga<\/strong> <\/strong>o\u2019ralgan<\/strong> <\/strong>juftlik<\/strong> <\/strong>(FTP <\/strong>yoki<\/strong> F\/UTP)<\/strong><\/td>Tashqi folga qatlami bilan himoyalangan turi (barcha juftliklar uchun umumiy).<\/td><\/tr>
    Ekranlangan<\/strong> <\/strong>o\u2019ralgan<\/strong> <\/strong>juftlik<\/strong> (STP)<\/strong><\/td>Unda har bir juftlik alohida folga qatlami bilan himoyalangan va butun kabelni himoya qiladigan setga shaklida umumiy tashqi folga qatlami mavjud<\/td><\/tr>
    Folgali<\/strong> <\/strong>ekranlangan<\/strong> <\/strong>o’ralgan<\/strong> <\/strong>juftlik<\/strong>(S\/FTP)<\/strong><\/td>Unda har bir juft plyonka bilan o’ralgan (plyonka bilan o’ralgan ekran bilan himoyalangan) va butun kabelni himoya qilish uchun tashqi mis plyonka ekrani mavjud<\/td><\/tr>
    Himoyalanmagan<\/strong> <\/strong>ekranli<\/strong> <\/strong>o’ralgan<\/strong> <\/strong>juftlik<\/strong> (U\/STP)<\/strong><\/td>Har bir juftlik plyonka bilan himoyalangan va tashqi ekran bo’lmagan turi<\/td><\/tr>
    Himoyalangan<\/strong> <\/strong>ekranli<\/strong> <\/strong>o’ralgan<\/strong> <\/strong>juftlik<\/strong>(SF\/UTP)<\/strong><\/td>Ikki qavatli tashqi qatlam bilan himoyalangan turi (bir qavat misdan yasalgan, ikkinchisi folga)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n
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    \"\"\/<\/figure>\n<\/div>\n\n\n
    O\u2019ralgan<\/strong> <\/strong>juftlik<\/strong> <\/strong>kabelining<\/strong> <\/strong>ketegoriyalari<\/strong><\/td>Tavsifi<\/strong><\/td><\/tr>
    \u0421\u0410\u0422\u0417<\/strong> (10BASE-T, 100BASE-T4)<\/td>4 juftlik kabel, ma’lumot uzatish tezligi 10 Mbit \/ s dan 100 Mbit \/ s gacha 100 metrgacha<\/td><\/tr>
    \u0421\u0410\u04225<\/strong> (10BASE-T, 100BASE-TX \u0438 1000BASE-T)<\/td>4 juftlik kabel, 2 juftdan foydalangan holda 100 Mbit \/ s gacha va 4 juftdan foydalangan holda 1000 Mbit \/ s gacha<\/td><\/tr>
    \u0421\u0410\u04225\u0435<\/strong> (10BASE-T, 100BASE-TX \u0438 1000BASE-T)<\/td>takomillashtirilgan 5-toifa<\/td><\/tr>
    \u0421\u0410\u0422<\/strong>6<\/strong>\u0430<\/strong> (10GBASE-T Ethernet)<\/td>4 juft o’tkazgichdan iborat va 100 m gacha bo’lgan masofada 10 Gbit \/ s gacha tezlikda ma’lumotlarni uzatishga qodir.<\/td><\/tr>
    \u0421\u0410\u04227\u0430<\/strong> (40GbE, 100GbE)<\/td>50 m masofada 40 Gbit \/ s gacha va 15 m masofada 100 Gbit \/ s gacha ma’lumotlarni uzatish uchun mo’ljallangan.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    T568A va T568B standartlari<\/strong><\/h2>\n\n\n
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    Straight Through bog\u2019lanish<\/strong><\/h2>\n\n\n
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    Crossover bog\u2019lanish<\/strong><\/h2>\n\n\n\n

    Straight Through vs Crossover<\/strong><\/h2>\n\n\n
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    Crossover bog\u2019lanish<\/strong><\/h2>\n\n\n
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    O\u2019ralgan juftlik kabelini sozlash<\/strong><\/h2>\n\n\n
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