Fasahar GPON (Gigabit-Capable Passive Optical Network) fasaha ce mai sauri, inganci, kuma babban ƙarfin damar fasahar hanyar sadarwa wacce ake amfani da ita sosai a cikin hanyoyin sadarwa na gani na fiber-to-the-gida (FTTH). A cikin hanyar sadarwa ta GPON,OLT (Tsarin Layin Layi)da ONT (Optical Network Terminal) abubuwa ne masu mahimmanci guda biyu. Kowannensu yana ɗaukar nauyi daban-daban kuma suna aiki tare don cimma babban sauri da ingantaccen watsa bayanai.
Bambanci tsakanin OLT da ONT dangane da wurin jiki da matsayi: OLT yawanci yana a tsakiyar cibiyar sadarwa, wato, ofishin tsakiya, yana taka rawar "kwamandan". Yana haɗa ONTs da yawa kuma yana da alhakin sadarwa tare daONTsa gefen mai amfani, yayin daidaitawa da sarrafa watsa bayanai. Ana iya cewa OLT shine jigon da ruhin duk hanyar sadarwar GPON. ONT yana samuwa a ƙarshen mai amfani, wato, a gefen hanyar sadarwa, yana taka rawar "soja". Na'ura ce a gefen masu amfani da ƙarshen kuma ana amfani da ita don haɗa na'urori masu amfani, kamar kwamfutoci, TVs, Routers, da sauransu, don haɗa masu amfani da hanyar sadarwa.
Bambance-bambancen aiki:OLT da ONT suna da hankali daban-daban. Babban ayyuka na OLT sun haɗa da tattara bayanai, gudanarwa da sarrafawa, da kuma watsawa da karɓar siginar gani. Yana da alhakin tattara rafukan bayanai daga masu amfani da yawa don tabbatar da ingantaccen watsa bayanai. A lokaci guda, OLT yana hulɗa tare da sauran OLTs da ONTs ta hanyar ka'idojin sadarwa don sarrafawa da sarrafa duk hanyar sadarwa. Bugu da kari, OLT kuma yana jujjuya siginar lantarki zuwa siginar gani kuma yana aika su cikin fiber na gani. A lokaci guda kuma, yana iya karɓar siginar gani daga ONT kuma ya canza su zuwa siginar lantarki don sarrafawa. Babban aikin ONT shine canza siginar gani da ake watsa ta hanyar filaye na gani zuwa siginar lantarki da aika waɗannan siginar lantarki zuwa kayan aikin masu amfani daban-daban. Bugu da kari, ONT na iya aikawa, tarawa, da sarrafa nau'ikan bayanai daban-daban daga abokan ciniki da aika su zuwa OLT.
Bambance-bambance a matakin fasaha:OLT da ONT suma suna da bambance-bambance a ƙirar kayan masarufi da shirye-shiryen software. OLT yana buƙatar manyan na'urori masu aiki, ƙwaƙwalwar ajiya mai girma, da manyan hanyoyin sadarwa masu sauri don jure babban adadin sarrafa bayanai da buƙatun watsawa. ONT yana buƙatar ƙarin sassauƙan kayan masarufi da ƙirar software don dacewa da buƙatu daban-daban na masu amfani daban-daban da musaya daban-daban na na'urorin tasha daban-daban.
XPON ONT 4GE+CATV+USB CX51041Z28S
OLT da ONT kowannensu yana ɗaukar nauyi da ayyuka daban-daban a cikin hanyar sadarwar GPON. OLT yana a cibiyar sadarwar kuma yana da alhakin tattara bayanai, gudanarwa da sarrafawa, da kuma watsawa da karɓar siginar gani; yayin da ONT yake a ƙarshen mai amfani kuma yana da alhakin canza siginar gani zuwa siginar lantarki da aika su zuwa kayan aikin mai amfani. Biyu suna aiki tare don ba da damar cibiyar sadarwa ta GPON don samar da sabis na watsa bayanai cikin sauri da inganci don biyan buƙatun masu amfani don samun hanyar sadarwa.
Lokacin aikawa: Afrilu-28-2024