Cibiyar sadarwa ta hanyar amfani da haske wata hanyar sadarwa ce ta hanyar amfani da haske a matsayin hanyar watsawa, maimakon wayoyin jan ƙarfe, kuma ana amfani da ita don shiga kowace gida. Cibiyar sadarwa ta hanyar amfani da haske. Cibiyar sadarwa ta hanyar amfani da haske gabaɗaya ta ƙunshi sassa uku: tashar layin gani OLT, sashin cibiyar sadarwa ta gani ONU, cibiyar sadarwa ta rarraba haske ODN, daga cikinsu OLT da ONU sune manyan abubuwan da ke cikin hanyar sadarwa ta hanyar amfani da haske.
Menene OLT?
Cikakken sunan OLT shine Tashar Layin Optical, tashar layin optical. OLT tashar layin optical ce kuma kayan aikin sadarwa na babban ofis. Ana amfani da ita don haɗa layukan bututun fiber na gani. Tana aiki azaman makulli ko na'ura mai ba da hanya tsakanin hanyoyin sadarwa na gargajiya. Na'ura ce a ƙofar hanyar sadarwa ta waje da ƙofar hanyar sadarwa ta ciki. An sanya ta a ofishin tsakiya, mafi mahimmancin ayyukan zartarwa sune tsara zirga-zirga, sarrafa buffer, da samar da hanyoyin sadarwa na gani masu amfani da kuma rarraba bandwidth. A taƙaice, shine cimma ayyuka biyu. Ga sama, yana kammala hanyar shiga ta sama ta hanyar hanyar sadarwa ta PON; ga ƙasa, ana aika bayanan da aka samu kuma ana rarraba su ga duk na'urorin tashar mai amfani da ONU ta hanyar hanyar sadarwa ta ODN.
Menene ONU?
ONU ita ce Na'urar Sadarwa ta Optical. ONU tana da ayyuka biyu: tana karɓar watsa shirye-shiryen da OLT ya aika da kansu, kuma tana amsawa ga OLT idan ana buƙatar karɓar bayanan; tana tattarawa da adana bayanan Ethernet da mai amfani ke buƙatar aikawa, sannan ta aika zuwa OLT bisa ga taga aikawa da aka sanya. Aika bayanan da aka adana.
A cikin hanyar sadarwa ta FTTx, hanyoyin shiga ONU daban-daban suma sun bambanta, kamar FTTC (Fiber To The Curb): Ana sanya ONU a cikin ɗakin kwamfuta na tsakiya na al'umma; FTTB (Fiber To The Building): Ana sanya ONU a cikin hanyar FTTH (Fiber To The Home): Ana sanya ONU a cikin mai amfani da gida.
Menene ONT?
ONT ita ce Tashar Sadarwa ta Optical, wato mafi girman na'urar FTTH, wacce aka fi sani da "modem ɗin gani", wanda yayi kama da modem ɗin lantarki na xDSL. ONT ita ce tashar sadarwa ta gani, wacce ake amfani da ita ga mai amfani da ita, yayin da ONU ke nufin na'urar sadarwa ta gani, kuma akwai wasu hanyoyin sadarwa tsakaninta da mai amfani da ita. ONT wani muhimmin bangare ne na ONU.
Menene alaƙar da ke tsakanin ONU da OLT?
OLT ita ce tashar gudanarwa, kuma ONU ita ce tashar; kunna sabis na ONU ana bayar da shi ta hanyar OLT, kuma biyun suna cikin dangantakar ubangida da bawa. Ana iya haɗa ONU da yawa zuwa OLT ɗaya ta hanyar mai rabawa.
Menene ODN?
ODN ita ce hanyar sadarwa ta rarrabawa ta gani, hanyar sadarwa ta rarrabawa ta gani, ita ce hanyar sadarwa ta zahiri tsakanin OLT da ONU, babban aikin shine kammala watsa siginar gani ta hanyoyi biyu, yawanci ta hanyar kebul na fiber optic, masu haɗin gani, masu rabawa ta gani da shigarwa don haɗa waɗannan. Babban ɓangaren kayan aikin tallafi na na'urar, mafi mahimmancin sashi shine mai rabawa ta gani.
Lokacin Saƙo: Oktoba-15-2021