Masu maimaitawa: Wuraren Farfaɗowar Sigina a Cibiyoyin Sadarwa

Masu maimaitawa sune mahimman abubuwan more rayuwa a cibiyoyin sadarwar zamani. Babban aikin su shine magance lalacewar sigina wanda ya haifar da raguwar nesa ko tsangwama yayin watsawa. A matsayin maɓalli na Layer na zahiri, masu maimaitawa suna amfani da ainihin fasahar sarrafa siginar lantarki don tsawaita hanyoyin sadarwa.

A fasaha, masu maimaitawa suna aiki cikin cikakkiyar yanayin{0}duplex, suna haɓakawa, tsarawa, da kuma kawar da siginar asali da aka rage a ƙarshen karɓa. Lokacin da siginonin lantarki ko na gani suna tafiya mai nisa, girman girman su a hankali yana ruɓe kuma siginar igiyoyinsu sun zama karkatattu. Wannan murdiya na iya ƙara ɗimbin kurakurai a ƙarshen karɓa. Masu maimaitawa suna dawo da ƙarfin sigina ta amfani da madaidaicin da'irori na ƙara girman- kuma suna amfani da fasahar siffanta igiyoyin ruwa don kawar da tsangwama, a ƙarshe suna sake watsa siginar da aka sarrafa, tsaftataccen sigina zuwa matsakaicin watsawa na gaba. A cikin hanyoyin sadarwa na fiber{6}, masu maimaita optoelectronic suma suna iya yin na'urar gani ({7}}zuwa-lantarki{9}}zuwa{10}} juyawa na gani, yadda ya kamata ta tsawaita nisan watsa fiber zuwa ɗaruruwan kilomita.

Masu maimaitawa suna da aikace-aikace da yawa. A cikin hanyoyin sadarwa na al'ada, murɗaɗɗen - Biyu Ethernet yana amfani da cibiyoyi (masu maimaita masu maimaitawa) don haɗa nodes masu yawa; Tashoshin cibiyar sadarwa mara waya ta dogara da tashoshin watsa labarai don tsawaita ɗaukar hoto; da zurfafa binciken sararin samaniya sun dogara da jerin tauraron dan adam don gina gadar sadarwa tsakanin Duniya da Wata. A cikin Intanet na Masana'antu na Abubuwa na zamani, tsangwama{3}} masu maimaitawa suna tabbatar da ingantaccen watsa bayanai a cikin yanayi mara kyau.

Tare da juyin halitta na fasaha, masu maimaitu masu hankali yanzu sun mallaki abubuwan ci gaba kamar sarrafa riba mai daidaitawa da gano kuskure. Duk da ci gaba da haɓaka manyan na'urori masu girma{1} a cikin ƙirar OSI, masu maimaitawa, tare da sauƙi da amincin su, suna riƙe matsayi maras kyau a cikin ginin cibiyoyin sadarwa na yau da kullun, zama ginshiƙan ginshiƙan ginin duniyar dijital mai alaƙa ta duniya.