Ị nwere ike ịmaghị ihe "PON" bụ (a na-agụkarị "pang"), mana ị ga-anụrịrị maka "fiber to the home".
Ị nwere ike ịmaghị ihe "ONU" bụ (na-agụkarị "ONU"), ma mgbe ịmepee igbe ọkụ eletrik na-adịghị ike n'ụlọ gị, ị ga-ahụrịrị "obere igbe" nwere eriri anya.Nke a “obere igbe” bụ ONU (Optical Network Unit, ngwa netwọk anya), nke a na-akpọkarị “ONU”.Onye isi nke taa —— “PON” (Passive Optical Network, passive optical network), bụ isi ihe iji nweta ohere eriri anya, bụ “kilomita ikpeazụ” teknụzụ nnyefe ngwa anya n'etiti netwọkụ na ndị ọrụ.
Wokpu bụ PON?
Fiber optical ezinụlọ ọ bụla, jikọtara n'azụ nnukwu netwọkụ, ka anyị soro eriri anya, chọpụta iyi, nyochaa ọnụ.The Optical fiber ejikọrọ na ONU na-abịa site splitter na-adịghị ike ọkụ eletrik ọma / corridor, nke nwere ike kewaa ngwa anya mgbaama n'ime otutu ọwa n'ókè ụfọdụ.Mgbama ngwa anya na-abanye na nkewa anya na-abịa site na ọdụ ahịrị anya OLT (Optical Line Terminal).OLT, ONU, na n'etiti "ọwa nnyefe" abụọ ODN (Optical Distribution Network, netwọk nkesa anya) bụ netwọk PON.N'ime:
OLT bụ ngwaọrụ n'akụkụ onye ọrụ na-ahụ maka ikenye data na netwọk azụmahịa dị elu.
ONU bụ ngwaọrụ n'akụkụ onye ọrụ na-ahụ maka ịnata data nke OLT zitere na ozugbo nye onye ọrụ.
Anyị nwere ike nweta nghota dị nkenke maka nhazi netwọkụ PON dịka ọnụ ọgụgụ dị n'okpuru.
Shenzhen HDV Photoelectron Technology Ltd bụ ọkachamara ONU akụrụngwa emeputa bụkwa ọgụgụ isi nkwurịta okwu ONU na modul emeputa, anyị ụlọ ọrụ ugbu a na-ere a dịgasị iche iche nke elu na ala nkwurịta okwu akụrụngwa, dị ka: Fiber media Ntụgharị, Ethernet mgba ọkụ, OLT akụrụngwa, ONU akụrụngwa na ala. ya mere na.Ọ bụrụ na ịchọrọ ịmatakwu gbasara teknụzụ nkwukọrịta, nabata ịkpọtụrụ anyị n'oge ọ bụla.
