Kedu ihe bụ FTTx?
FTTx bụ “Fiber To The x” na bụ okwu izugbe maka ịnweta eriri na nkwukọrịta fiber optic. x na-anọchi anya ebe eriri eriri. Dị ka x = H (Fiber to the Home), x = O (Fiber to the Office), x = B (Fiber to the Building). Teknụzụ FTTx sitere na akụrụngwa ụlọ ọrụ etiti dị n'ọnụ ụlọ nkwukọrịta mpaghara ruo akụrụngwa ọdụ ndị ọrụ, gụnyere ọdụ eriri anya (OLT), ngalaba netwọk anya (ONU), ọnụ netwọk anya (ONT).
Dị ka ebe nkeONUna njedebe onye ọrụ nke ngalaba netwọkụ anya, enwere ọtụtụ ụdị FTTx, nke enwere ike kewaa fiber naịgbanweeigbe (FTTCab), eriri gaa n'akụkụ okporo ụzọ (FTTC), eriri na ụlọ (FTTB), eriri maka ụlọ (FTTH), eriri na ụlọ ọrụ (FTTO) na ụdị ọrụ ndị ọzọ. Onye ọrụ US Verizon na-ezo aka na FTTB na FTTH dị ka eriri na ogige (FTTP).
FTTCab(Fiber gaa na Cabinet)
A na-eji eriri anya dochie eriri ọdịnala. NkeONUa na-etinye na igbe nkwụsị. NkeONUn'okpuru na-eji waya ọla kọpa ma ọ bụ mgbasa ozi ọzọ jikọọ na onye ọrụ.
FTTC(Fiber gaa na mgbochi)
Ntinye na ojiji nke eriri anya site na ụlọ ọrụ etiti ruo n'akụkụ okporo ụzọ n'ime otu puku ụkwụ nke ụlọ ma ọ bụ ụlọ ọrụ. N'ozuzu, a na-ebu ụzọ debe njikọ mgbasa ozi brọdband nke dị ezigbo nso na onye ọrụ. Ozugbo enwere mkpa maka ọrụ brọdband, eriri nwere ike iduga onye ọrụ ngwa ngwa yana enwere ike iru eriri ahụ n'ụlọ.
FTTB(Fiber gaa n'ụlọ)
Ọ bụ usoro ịnweta brọdband dabere na teknụzụ netwọkụ fiber optical nke kacha mma. Ọ na-eji eriri na ụlọ na eriri netwọk gaa n'ụlọ iji nweta ohere brọdband nke onye ọrụ. N'ozuzu, a na-eji ohere ahịrị raara onwe ya nye, nke dị mfe ịwụnye ma nwee ike ịnye oke elu na ọnụ ala nke 10Mbps (naanị).
FTTH(Fiber gaa n'ụlọ)
TTH na-ezo aka na ntinye nke otu netwọk anya (ONU) na onye ọrụ ụlọ ma ọ bụ onye ọrụ ụlọ ọrụ. Ọ bụ ụdị ngwa netwọk ịnweta ngwa anya kacha nso onye ọrụ ma e wezụga FTTD (fiber optical to desktop) na usoro ịnweta ngwa anya. Teknụzụ PON abụrụla ebe na-ekpo ọkụ nke ndị na-arụ ọrụ brọdband na-ekerịta ma na-ewere ya dị ka otu n'ime ụzọ teknụzụ kachasị mma iji nweta FTTH.
FTTP(Fiber gaa n'ụlọ)
FTTP bụ okwu North America. Ọ gụnyere FTTB, FTTC, na FTTH n'ụzọ dị warara, na-agbatị eriri eriri anya n'ụlọ ma ọ bụ ụlọ ọrụ.
