Lambar gano kuskure (lambar rajistan ma'auni): lambar rajistan ma'amala ta ƙunshi rukunin bayanai na n-1 da 1 bit check element.Naúrar bayanin bit N-1 shine ingantaccen bayanai a cikin bayanan da muke aikawa, kuma ana amfani da sashin duban 1-bit don gano kuskure da lambar sakewa.
Binciken ban mamaki:idan adadin 1 a cikin wannan silsilar ya yi daidai, ƙara 1 a gabansa, kuma adadin 1 ya zama m, in ba haka ba a ƙara 0;
Ko da duba:idan adadin 1 a cikin wannan silsila ba shi da kyau, ƙara 1 a gabansa, kuma adadin 1 ya zama daidai, in ba haka ba a ƙara 0;
Misali: (1) 1111 m cak shine 11111 koda duba shine 01111
(2) 1110 m cak shine 01110 ko da cak shine 11110
Siffar lambar rajistan lamba ita ce kawai tana iya gano kurakuran bit masu ban mamaki, kuma ikon gano kuskuren shine 50%, wanda ba za a iya gyarawa ba.
Lambobin gano kuskure (lambar rajistar sake maimaita sake sake zagayowar CRC): hanya ce ta rarraba yawan jama'a don gano kurakurai.Ana ɗaukar kowane kirtani bitar azaman nau'in nau'in nau'in halitta, kuma ana ɗaukar aikin modulo-2.
Tsarin lissafi na ƙarshen aikawa shine: tsarin bayanan da za a aika + jerin rajistan ayyukan r bits, a sami firam ɗin bayanan da za a aika, sannan a yi rabon modulo-2 tare da polynomial ɗin da aka samar don ɗaukar ragowar, wanda shine FCS jerin duban firam ɗin da za a ƙara.
Tsarin lissafi na ƙarshen karɓar shine: lokacin da ƙarshen karɓa ya karɓi firam, yana aiwatar da rarrabuwa na modulo-2 tare da polynomial ɗin da aka samar, sannan bincika sauran.Idan ragowar 0 ne, yana nufin cewa tsarin watsawa na al'ada ne, sannan ya karɓi bayanai.Idan ba 0 ba, yana nufin cewa tsarin watsawa ba shi da kyau, sannan ya watsar da bayanan.
Abin da ke sama shine bayanin ilimin "lambar gano kuskure" wanda Shenzhen HDV photoelectric Technology Co., Ltd ya kawo.Kayayyakin sadarwar da kamfanin ke samarwa;
Rukunin Module: na gani fiber modules, Ethernet modules, na gani fiber transceiver modules, na gani fiber damar kayayyaki, SSFP Optical modules, kuma SFP Optical fibers, da dai sauransu.
Kashi na ONU: EPON ONU, AC ONU, fiber optic ONU, CATV ONU, GPON ONU, XPON ONU, da dai sauransu.
Darasi na OLT: Canji a farashin OLT, Farashin GPON OLT, Farashin EPON OLT, sadarwa OLT, da dai sauransu.
Samfuran samfurin da ke sama na iya ba da goyan baya ga yanayin cibiyar sadarwa daban-daban.Ƙwararrun ƙwararrun R & D mai ƙarfi na iya taimaka wa abokan ciniki tare da al'amurran fasaha, kuma ƙungiyar kasuwanci mai tunani da ƙwararrun za su iya taimaka wa abokan ciniki su sami ayyuka masu kyau a lokacin shawarwari da kuma bayan aikin samarwa.Barka da zuwa tuntube mu ga kowane irin tambaya.
