ʻO ke kaula Fiber Optic vs. Coaxial: Nā ʻokoʻa koʻikoʻi
nīnau i kēia manawaʻO ke kaula Fiber Optic vs. Coaxial: Nā ʻokoʻa koʻikoʻi
Hoʻohana ʻia nā kaula fiber optic a me nā kaula coaxial no ka hoʻoili ʻikepili, akā ʻokoʻa nui lākou i ka hoʻolālā, ka hana, a me nā noi. Eia kahi hoʻohālikelike kikoʻī:
1. Kahua Hoʻoili
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ʻO ka fiber optic:
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Nā hoʻohananā pulse māmā(nā lasers/LEDs) i hoʻouna ʻia ma o nā olonā aniani/plastic.
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Ka huakaʻi ʻikepili ma oka noʻonoʻo kūloko pihai loko o ke kikowaena.
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Uea Coaxial:
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Nā hoʻohananā hōʻailona uilama o kahi ʻiwi keleawe i hoʻopuni ʻia e ka pale a me ka pale ʻana.
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Aia i loko he alakaʻi waena, kahi mea hoʻokaʻawale dielectric, kahi pale metala, a me ka ʻaʻahu palaki waho.
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2. Ka wikiwiki a me ka bandwidth
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ʻO ka fiber optic:
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Ka wikiwikiA hiki inā terabits i kekona (Tbps)i ka noiʻi; kākoʻo pāʻoihana i 100+ Gbps.
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ʻO ka laulāAneane palena ʻole ma muli o ke alapine kiʻekiʻe o ka mālamalama.
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Uea Coaxial:
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Ka wikiwiki: Ma ke ʻano maʻamau a hiki i10 Gbps(e laʻa, DOCSIS 4.0 no ka pūnaewele uwea).
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ʻO ka laulā: Kaupalena ʻia e ka hoʻēmi ʻana o ka hōʻailona ma nā alapine kiʻekiʻe (a hiki i ka 1 GHz i ka coax hou).
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3. Ka mamao a me ka nalowale o ka hōʻailona
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ʻO ka fiber optic:
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Ka mamaoHiki i ke kaula hoʻokahi-ʻano (SMF) ke hoʻouna70–100+ kmme ka ʻole o nā mea hoʻihoʻi hou.
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Hoʻēmi ʻanaHaʻahaʻa loa (~0.2 dB/km).
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Uea Coaxial:
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Ka mamao: Palena ʻia i~500 mika(no RG-6 kiʻekiʻe) ma mua o ka hōʻino ʻana o ka hōʻailona.
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Hoʻēmi ʻanaKa pohō nui ma ka mamao, ʻoi aku hoʻi ma nā alapine kiʻekiʻe.
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4. Ke Kūʻē a me ka Hilinaʻi
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ʻO ka fiber optic:
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Palekana ika hoʻopilikia electromagnetic (EMI)a me ke komo ʻana o ke alapine lekiō (RFI).
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ʻAʻohe crosstalk a i ʻole ka leakage hōʻailona.
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Uea Coaxial:
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Hoʻemi ka hoʻolālā pale ʻia i ka EMI/RFI akāʻaʻole palekana(e laʻa, ke komo ʻana mai nā laina uila).
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Hiki ke maʻalahi i ka "komo ʻana" (ka walaʻau e komo ana i ke kaula) a me ka "puka ʻana" (ka leakage hōʻailona).
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5. Palekana
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ʻO ka fiber optic:
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Paʻakikī loa ke kāomi me ka ʻike ʻole ʻia (ʻike ʻia ka hoʻopilikia ʻana o ka mālamalama).
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Kūpono no ka hoʻoili ʻikepili palekana (e laʻa, ke aupuni, ke kālā).
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Uea Coaxial:
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Hiki ke hoʻolohe pepeiao ʻia ma o ka liki electromagnetic a i ʻole nā piula kino.
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Pono ka hoʻopāʻālua (e laʻa, AES) no ka ʻikepili koʻikoʻi.
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6. Kumukūʻai
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ʻO ka fiber optic:
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Nā kumukūʻai mua kiʻekiʻe(ke kau ʻana, nā mea hoʻoili, nā mea hana hoʻopili).
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Nā kumukūʻai haʻahaʻa no ka wā lōʻihi (mālama liʻiliʻi, palekana no ka wā e hiki mai ana).
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Uea Coaxial:
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Hoʻokomo ʻana me ke kumu kūʻai haʻahaʻa(nā mea hoʻohui maʻalahi i loaʻa ma nā wahi he nui e like me ke ʻano F).
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ʻOi aku ka mālama ʻana i ka hala ʻana o ka manawa (ka hōʻino ʻana o ka hōʻailona, ka hoʻoponopono pale ʻana).
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7. Paʻa a me ka nui
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ʻO ka fiber optic:
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ʻO ke aniani palupalu(pono e mālama pono i ka wā e hoʻokomo ai).
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Lahilahi, māmā, a palupalu hoʻi (kūpono no nā paipu piha).
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Uea Coaxial:
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ʻOi akuikaika kinoakā, mānoanoa a kaumaha hoʻi.
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Hiki ke pala inā hōʻino ʻia ka ʻaʻahu waho.
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8. Nā noi
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ʻO ka fiber optic:
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Kelepona mamao loa (nā iwi kuamoʻo ISP, nā kaula ma lalo o ke kai).
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Pūnaewele wikiwiki (FTTH), nā kikowaena ʻikepili, nā pūnaewele 5G.
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Nā ʻōnaehana kiʻi lapaʻau, pūʻali koa, a me nā ʻoihana.
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Uea Coaxial:
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Ke kīwī uwea (CATV) a me ka pūnaewele broadband (e laʻa, DOCSIS).
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Ke kiaʻi wikiō mamao pōkole (CCTV).
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ʻO ka pūnaewele kahiko (Ethernet ma luna o coax) a me nā antennas lekiō.
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9. Ka lohi
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ʻO ka fiber optic:
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Ka lohi haʻahaʻa(kokoke i ka hoʻoili ʻana i ka wikiwiki o ka mālamalama).
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He mea koʻikoʻi no nā noi manawa maoli (pāʻani, kālepa kūʻai).
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Uea Coaxial:
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ʻOi aku ka latency ma muli o nā lohi o ka hoʻolaha ʻana o nā hōʻailona uila.
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10. Hoʻoili Mana
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ʻO ka fiber optic:
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ʻAʻole hiki ke hoʻoili i ka mana uila; pono nā polokalamu i nā kumu mana kaʻawale.
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Uea Coaxial:
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Kākoʻoka hoʻoili mana(e laʻa, nā mea hoʻoikaika mana i nā ʻōnaehana CATV).
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Āhea e koho ai i ka mea hea?
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ʻO ka fiber optic:
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Pono nā wahi wikiwiki loa, mamao loa, a i ʻole nā wahi EMI kaumaha.
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Nā pūnaewele hōʻoia i ka wā e hiki mai ana (e laʻa, nā kūlanakauhale akamai, IoT).
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Nā noi e pono ai ka palekana kiʻekiʻe a me ka hilinaʻi.
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Uea Coaxial:
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Nā hoʻonohonoho kūpono i ke kālā (e like me ke TV uwea/pūnaewele noho).
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Nā ʻōnaehana kiaʻi wikiō pōkole (CCTV) a i ʻole nā ʻōnaehana kahiko.
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Nā pūnaewele hybrid fiber-coaxial (HFC) (mea maʻamau i nā ISP uwea).
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Nā ʻAno Hou E Hiki Mai Ana
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ʻO ka fiber opticKe wikiwiki nei ka hoʻohana ʻana no 5G, nā lawelawe ao, a me nā ʻōnaehana akamai.
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Nā kaula coaxialpili mau no nā pūnaewele HFC a me nā ʻōnaehana hoʻoilina akā ke hoʻopau mālie ʻia nei no ka fiber.

Hopena:
ʻOi aku ka wikiwiki, ka mamao, a me ka hilinaʻi o nā kaula fiber optic, e kūpono ana iā lākou no nā noi koi kiʻekiʻe o kēia wā. He kūpono ke kumukūʻai o nā kaula coaxial no nā ʻōnaehana pōkole, hoʻoilina, a i ʻole hybrid akā hakakā me nā palena bandwidth a me nā pilikia. Aia ke koho i kāu kālā, nā koi loea, a me nā pahuhopu scalability.

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