{"id":6884,"date":"2022-05-12T15:39:55","date_gmt":"2022-05-12T10:39:55","guid":{"rendered":"https:\/\/step-up.uz\/?p=6884"},"modified":"2022-11-09T10:48:20","modified_gmt":"2022-11-09T05:48:20","slug":"simsiz-tarmoq-qurilmalari-va-modemlar","status":"publish","type":"post","link":"https:\/\/step-up.uz\/en\/simsiz-tarmoq-qurilmalari-va-modemlar\/","title":{"rendered":"Simsiz tarmoq qurilmalari va modemlar."},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1111.png\" alt=\"\" class=\"wp-image-6887\" width=\"590\" height=\"207\" srcset=\"https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1111.png 1000w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1111-300x105.png 300w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1111-768x269.png 768w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Modemlar va ularning vazifalari<\/h2>\n\n\n\n<p class=\"has-text-align-justify has-medium-font-size\">&nbsp;&nbsp;&nbsp;&nbsp;Modem \u2013 bu modulyatsiya va demodulyatsiya so`zlaridan olingan bo`lib, uzluksiz signallarni raqamli (modulyatsiya) va raqamli ma\u2019lumotlarni uzluksiz (demodulyatsiya) signalga almashtirib beradigan qurilmadir. Uning asosiy vazifasi kompyuterlararo aloqani o`rnatishdir. U o`zining kommunikatsion dasturiga ega bo`lib, bu dasturlar yordamida ma\u2019lumotlarni uzoq masofalarga uzatish va qabul qilish mumkin. Modem ichki va tashqi bo`lishi mumkin. Ichki modem plata ko`rinishida kompyuterning sistema blokiga o`rnatilgan bo`ladi. Tashqi modem esa, ham faks, ham modem rolini o`ynaydi va alohida qurilma sifatida kompyuterga ulanadi. Hozirda ko`p kompyuterlar modem bilan birga sotilmoqda.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/2222-1024x576.jpg\" alt=\"\" class=\"wp-image-6888\" width=\"725\" height=\"407\" srcset=\"https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/2222-1024x576.jpg 1024w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/2222-300x169.jpg 300w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/2222-768x432.jpg 768w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/2222.jpg 1280w\" sizes=\"auto, (max-width: 725px) 100vw, 725px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Wifi routerlar va ularning vazifalari<\/h2>\n\n\n\n<p class=\"has-text-align-justify has-medium-font-size\">&nbsp;&nbsp;&nbsp;&nbsp;WiFi dastlab \u00abWireless Fidelity\u00bb ya\u2019ni, \u00absimsiz aniqlik\u00bb deb yuritilgan, hozirda bu termin o\u2019rniga, oddiy WiFi deb yuritilish odat tusiga kirgan, texnologiya yaqin kunlarda ommalashgan bo\u2019lishiga qaramasdan, uning tarixi 1991 yilga taqaladi. Bu simsiz aloqa o\u2019rnatish texnologiyasi bo\u2019lib, IEE802.11 standarti asosida ishlaydi. Shu standartga to\u2019g\u2019ri keluvchi qurilamalar WIFi texnologiyasi bilan ishlay oladi.<br>&nbsp;&nbsp;&nbsp;&nbsp;Simsiz aloqa texnologiyasi bo\u2019lganidan keyin, ma\u2019lum bir tashuvchisiga ega bo\u2019lishi kerak, bu tashuvchi \u201cchastota\u201d deb yuritiladi, chastota orqali har xil signallar uzatiladi va qabul qilinadi. Hozirda 2 xil chastota turi mavjud: 2.4 GHz va 5 GHz. Wi-Fi uzatuvchi sifatida Wi-Fi routerdan foydalaniladi, bunday router chiqaradigan firmalar soni yetarlicha, misol uchun TP-LINK, D-LINK, ASUS, Linksys, ZyXEL\u2026<\/p>\n\n\n\n<p class=\"has-medium-font-size\">2.4 GHz da 11 ta kanal mavjud. 5 GHzda bi birini ustiga tushmaydigan 25 ta kanal mavjud. 2.4 GHz diapazoni 5 GHz ga qaraganda ma&#8217;lumotni sekinroq uzatadi lekin uning diapaznoni ancha uzun. 5GHz esa yaxshi tezlikda uzatdi lekin uning diapaznoni qisqaroq.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/Best-Wifi-6-routers-1024x551.png\" alt=\"\" class=\"wp-image-6900\" width=\"622\" height=\"334\" srcset=\"https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/Best-Wifi-6-routers-1024x551.png 1024w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/Best-Wifi-6-routers-300x162.png 300w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/Best-Wifi-6-routers-768x414.png 768w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/Best-Wifi-6-routers.png 1300w\" sizes=\"auto, (max-width: 622px) 100vw, 622px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Wifi avlodlari<\/h2>\n\n\n\n<p class=\"has-text-align-justify has-medium-font-size\"><strong>802.11a<\/strong>  &#8211; 5 gigagertsli chastota diapazonida ishlaydigan birinchi WiFi standartidir. Bugungi kunda ko&#8217;rish juda g&#8217;alati, lekin maksimal qo&#8217;llab-quvvatlanadigan tezlik atigi 54 Mbit \/ s edi.<\/p>\n\n\n\n<p class=\"has-text-align-justify has-medium-font-size\"><strong>802.11b<\/strong> &#8211; keyin Wi-Fi 2,4 gigagertsli chastotalarni qo&#8217;llab-quvvatlaydi va ular orasida tezligi 11 Mbit \/ s gacha bo&#8217;lgan &laquo;b&raquo; bor. <\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>802.11g<\/strong> &#8211; u allaqachon eskirgan, chunki tezlik chegarasi 54 Mbit \/ s.<\/p>\n\n\n\n<p class=\"has-text-align-justify has-medium-font-size\"><strong>802.11n<\/strong> &#8211; allaqachon 2,4 gigagertsli chastotada ishlaydigan Wi-Fi rejimi bo&#8217;lib, uning ostida hali ham juda ko&#8217;p simsiz qurilmalar ishlab chiqariladi. Maksimal tezlik 600 Mbit \/ s kanal kengligi bilan 40 MGts ni tashkil qiladi, bu yuqori tezlikni talab qilmaydigan ko&#8217;pgina vazifalar uchun yetarli. Iqtisodiy uskunaning texnik xususiyatlari tufayli byudjet routerlari yoki adapterlari ko&#8217;pincha 150 yoki 300 mbps chegarasidir.<\/p>\n\n\n\n<p class=\"has-text-align-justify has-medium-font-size\"><strong>802.11ac<\/strong> &#8211; 5 gigagertsli diapazon uchun joriy simsiz standart bo&#8217;lib, u nisbatan arzon ikki polosali routerlar va boshqa qurilmalar tomonidan qo&#8217;llaniladi. Xususiyatlariga qarab (MU-MIMO-ni qo&#8217;llab-quvvatlash, antennalar soni) bunday qurilmalar 6 Gb \/ s tezlikka erishishi mumkin, bu onlayn o&#8217;yinlar yoki video o&#8217;ynash kabi vazifalarning katta ro&#8217;yxatini bajarish uchun yetarli.<\/p>\n\n\n\n<p class=\"has-text-align-justify has-medium-font-size\"><strong>802.11ax<\/strong> &#8211; wi-fi-ning eng yangi avlodi bo&#8217;lib, u odatda WiFi 6 deb ataladi. 802.11ax Wi-Fi-ni qo&#8217;llab-quvvatlaydigan gadjetlar juda qimmat va ularni sotib olganlar nima uchun kerakligini aniq bilishadi.<br><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/12312321.jpg\" alt=\"\" class=\"wp-image-6889\" width=\"583\" height=\"191\" srcset=\"https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/12312321.jpg 500w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/12312321-300x98.jpg 300w\" sizes=\"auto, (max-width: 583px) 100vw, 583px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Wireless router vs Access points<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1577349117_dXCd3lxxkQ.jpg\" alt=\"\" class=\"wp-image-6891\" width=\"700\" height=\"147\" srcset=\"https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1577349117_dXCd3lxxkQ.jpg 800w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1577349117_dXCd3lxxkQ-300x63.jpg 300w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1577349117_dXCd3lxxkQ-768x161.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Access Pointlar va ularning vazifalari<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1577349094_rR6B8NZXxq.jpg\" alt=\"\" class=\"wp-image-6890\" width=\"799\" height=\"242\" srcset=\"https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1577349094_rR6B8NZXxq.jpg 800w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1577349094_rR6B8NZXxq-300x91.jpg 300w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/1577349094_rR6B8NZXxq-768x233.jpg 768w\" sizes=\"auto, (max-width: 799px) 100vw, 799px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"387\" src=\"http:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/132131312.jpg\" alt=\"\" class=\"wp-image-6892\" srcset=\"https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/132131312.jpg 750w, https:\/\/step-up.uz\/wp-content\/uploads\/2022\/05\/132131312-300x155.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Modem vs Router - What&#039;s the difference?\" width=\"1080\" height=\"810\" src=\"https:\/\/www.youtube.com\/embed\/Mad4kQ5835Y?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"WiFi Range Extender - WiFi Booster explained - Which is the best?\" width=\"1080\" height=\"810\" src=\"https:\/\/www.youtube.com\/embed\/1rJ1tSzgvpE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"2.4 GHz vs 5 GHz WiFi: What is the difference?\" width=\"1080\" height=\"810\" src=\"https:\/\/www.youtube.com\/embed\/J_bf_KE5llQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Mesh Wifi Explained - Which is the best? - Google Wifi\" width=\"1080\" height=\"810\" src=\"https:\/\/www.youtube.com\/embed\/XaOcjHrdMFE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Wireless Access Point vs Wi-Fi Router\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/OxiY4yf6GGg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"WiFi (Wireless) Password Security - WEP, WPA, WPA2, WPA3, WPS Explained\" width=\"1080\" height=\"810\" src=\"https:\/\/www.youtube.com\/embed\/WZaIfyvERcA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"What is a Hotspot?\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/ktxC3vDukbc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"MU-MIMO Explained\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/B2h8FohnwUs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"WiFi 6 Explained\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/Y7OWUg_kmK4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Wireless Bridge Mode - Networking\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/x0ult-Ln9hc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Amaliy mashg&#8217;ulotlar<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Windows operatsion tizimida CLI va GUI orqali AP yaratish.<\/li>\n\n\n\n<li>Modemlarni ADSL, VDSL va GPON sozlamalarini sozlash.<\/li>\n\n\n\n<li>Wireless Routerlarni sozlash.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Wifi, Access Point<\/p>","protected":false},"author":1,"featured_media":6885,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":3,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"categories":[7],"tags":[93,90,91,92,89],"class_list":{"0":"post-6884","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-network","8":"tag-access-point","9":"tag-devices","10":"tag-modem","11":"tag-wifi","12":"tag-wireless"},"_links":{"self":[{"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/posts\/6884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/comments?post=6884"}],"version-history":[{"count":16,"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/posts\/6884\/revisions"}],"predecessor-version":[{"id":8360,"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/posts\/6884\/revisions\/8360"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/media\/6885"}],"wp:attachment":[{"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/media?parent=6884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/categories?post=6884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/step-up.uz\/en\/wp-json\/wp\/v2\/tags?post=6884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}