Watsawar gani shine fasahar watsawa ta hanyar siginar gani tsakanin mai aikawa da mai karɓa. Kayan aikin watsawa na gani shine canza sigina iri-iri zuwa sigina na gani a cikin kayan aikin watsa fiber na gani, don haka ana amfani da kayan watsawa na zamani a cikin fiber na gani. Na'urorin watsawa na gani da aka fi amfani da su sune: transceiver na gani, modem na gani, mai ɗaukar hoto, mai gani na gani.canza, PDH, SDH, PTN da sauran nau'ikan kayan aiki.
Abubuwan da ke da alaƙa da fasahar watsa labarai takaitacciyar gabatarwa
Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH): Tsarin watsa fiber na gani (tsohon mizanin Amurkawa ne da ake amfani da shi a Arewacin Amurka, na ƙarshe ma'auni ne na duniya). Yana ɗaukar tsarin watsawa na aiki tare (STM-1,155Mbps) azaman ainihin ra'ayi. Samfurin ya ƙunshi nauyin bayanai na yanar gizo, babban yanki, da mai nunin sashin gudanarwa. Fitaccen fasalinsa ya dace da tsarin PDH daban-daban.
Plesiochronous Digital Hierarchy (PDH): Pre-SONET/SDH tsarin watsa dijital na zamani, kayan aikin da ba na gani ba. An tsara shi musamman don sadarwar murya. Babu daidaitaccen ƙimar siginar dijital na duniya da tsarin firam, kuma haɗin gwiwar ƙasashen duniya yana da wahala.
Wavelength Division Multiplex (WDM): Ainihin, Frequency Division Multiplex (FDM) ana aiwatar da shi akan filaye na gani, wato, fasahar FDM a cikin yanki na gani. Hanya ce mai tasiri don inganta ƙarfin sadarwar fiber na gani. Don yin cikakken amfani da manyan albarkatun bandwidth a cikin ƙananan hasara na fiber-mode fiber, ƙananan hasara taga na fiber an raba shi zuwa tashoshi da yawa bisa ga mitar daban-daban (ko tsayin tsayi) na kowane tashar. Suna isar da saƙon su ta tsawon magudanar ruwa daban-daban, don haka ba sa tsoma baki tare da juna ko da a kan fiber iri ɗaya ne. Multiplex Wavelength Division Multiplex (DWDM): Ba kamar tsarin WDM na al'ada ba, tsarin DWDM yana da kunkuntar tazarar tashoshi kuma mafi kyawun amfani da bandwidth.
Ƙara/Drop Multiplex (OADM): Na'urar da ke amfani da matatar gani ko tsagawa don sakawa ko raba sigina na gani daga mahaɗin watsa maɓalli na tsawon zango. OADM yana da sigina na tsawon gani na gani a tsarin WDM don zaɓar ƙimar sama/ƙasa da ake buƙata, tsari da nau'in yarjejeniya. Siginar tsayin igiyar da ake buƙata kawai ana danna/saka akan kumburin, kuma sauran sigina na tsayin raƙuman raƙuman raƙuman raƙuman ruwa suna bayyane ta hanyar kumburi. Dynamic (mai sassauƙa, mai iya sake daidaitawa ko mai iya tsarawa) OADM shine tushen fahimtar hanyoyin sadarwa na gani na birni. Yin amfani da OADM mai ƙarfi a cikin cibiyoyin sadarwa na zobe na gida, tsarin zai iya samar da cikakkiyar haɗin tashar tashar igiyoyi tsakanin kowane nodes biyu.
Haɗin haɗin kai na gani (OpticalCross-connect, OXC): Kayan aikin da ake amfani da su don nodes ɗin cibiyar sadarwar fiber na gani, ta hanyar haɗin giciye na siginar gani, hanya ce mai mahimmanci don cimma amintacciyar kariyar cibiyar sadarwa / dawo da wayoyi ta atomatik da saka idanu. An haɗa shi da fasahar WDM da fasahar rabuwar iska (na ganicanza).
All Optical Network (AON): yana nufin tsarin cibiyar sadarwa wanda siginar kawai ke jujjuya wutar lantarki / na gani da na gani / wutar lantarki lokacin shiga da barin hanyar sadarwar, kuma koyaushe yana kasancewa a cikin hanyar haske a cikin tsarin watsawa da musayar a cikin hanyar sadarwa. A wasu kalmomi, bayanin koyaushe yana cikin yankin gani yayin watsa shi daga kumburin tushe zuwa kumburin manufa, kuma tsayin raƙuman ya zama mafi mahimmancin naúrar cibiyar sadarwa ta gani. Cibiyoyin sadarwa na gani-da-ido a bayyane suke zuwa siginar saboda duk watsa siginar ana aiwatar da su a yankin na gani. Cibiyoyin sadarwa na gani-da-hannu suna gane hanyar da za a bi ta na'urar zaɓin tsayin raƙuman ruwa. All-Optical Network ya zama zaɓi na farko na hanyar sadarwa mai sauri mai sauri ( matsananci-high-gudun) cibiyar sadarwa ta hanyar sadarwa mai kyau saboda kyakkyawar fahintarsa, halayen kewayawa na tsawon tsayi, dacewa da daidaitawa.
Li-Fi: Wannan fasahar sadarwa ta gani tana amfani da igiyoyin haske na cikin gida na tushen LED maimakon igiyoyin rediyo don watsa bayanai. Kuma manyan ƙungiyoyin bincike na Li-Fi suna kallon sama da ledodi don watsa bayanai, wanda fasahar sadarwa ce ta Li-Fi ta Laser, wacce za ta iya inganta ƙimar Li-Fi akan LED fiye da sau 10. (A zahiri, a cikin 'yan shekarun da suka gabata, watsa shirye-shiryen karkashin ruwa da China Huako, Amurka da Iran suka kirkira ya sami damar haɓaka ƙimar mara waya zuwa 300Gb/s a nisan mita 1. Matsakaicin da ake amfani da shi shine iska.)
Abin da ke sama taƙaitaccen gabatarwa ne ga ainihin ilimin watsawar gani. Na yi imani kun fahimci menene fasahar watsawar gani ta hanyar taƙaitaccen bayanin da ke sama. Shenzhen HDV Phoelectron Technology LTD ƙera ce ta ƙware a kayan aikin sadarwa na gani azaman manyan samfuran. Domin samar da mafi ingancin sabis ga abokan cinikinmu, an sanye shi da ƙungiyar fasaha mai ƙarfi da kuma R & D mai kyau. Manyan kayayyakin kamfanin su neOLTONU/ ACONU/ sadarwa na gani module / sadarwa na gani module /OLTkayan aiki/Ethernetcanzada sauransu, don ba da sabis na dangi don buƙatun abokan ciniki daban-daban, maraba da kasancewar ku.
