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Mitundu ya Cholumikizira cha CHIKWANGWANI CHA CHIKWANGWANI

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Mitundu ya Cholumikizira cha CHIKWANGWANI CHA CHIKWANGWANI

2025-02-12

Ndikufunika kufotokoza mitundu yosiyanasiyana ya zolumikizira za fiber optic. Ndiyambe ndi kukumbukira zomwe ndikudziwa. Zolumikizira za fiber zimagwiritsidwa ntchito kulumikiza ulusi wa optical komwe kumafunika mphamvu yolumikizira/kuchotsa kulumikizana. Pali mitundu ingapo, iliyonse ili ndi kapangidwe kake ndi ntchito zake.

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Choyamba, cholumikizira cha ST. Ndikukumbukira kuti ndi cholumikizira cha mtundu wa bayonet, mwina monga chomwe chimagwiritsidwa ntchito m'maukonde akale. Kenako pali SC, yomwe ndikuganiza kuti ndi cholumikizira cholumikizira, chokhala ndi mawonekedwe a sikweya. LC ndi yaying'ono, mwina mtundu wa push-pull, womwe umagwiritsidwa ntchito m'malo okhala ndi kuchuluka kwakukulu. FC imagwiritsa ntchito cholumikizira cha ulusi, sichoncho? Ndi yotetezeka kwambiri, mwina m'malo okhala ndi kugwedezeka kwakukulu. MTP ndi MPO ndi zolumikizira za multi-fiber, zomwe zimagwiritsidwa ntchito m'malo osungira deta. Palinso MU, yomwe ndi yaying'ono kuposa SC, ndi E2000 yokhala ndi shutter yoteteza. SMA ndi mtundu wakale, mwina wogwiritsidwa ntchito m'mafakitale. DIN ndi muyezo waku Germany, wocheperako. Ndipo pali zolumikizira ziwiri monga FDDI ndi ESCON, ngakhale sindikutsimikiza kwambiri za izo.

 

Dikirani, ndiyenera kuyang'ana ngati ndikusakaniza tsatanetsatane uliwonse. Mwachitsanzo, LC ndi chinthu chaching'ono, theka la kukula kwa SC. MTP ndi dzina la kampani ya cholumikizira cha MPO, mwina? Kapena ndi ofanana? Komanso, zolumikizira zina ndi simplex (single fiber) vs duplex (two fibers). Monga LC ingakhale duplex podula ziwiri pamodzi. SC ingakhale duplex nayonso. MPO/MTP ingakhale ndi ulusi 12 kapena 24 mu cholumikizira chimodzi.

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Mitundu ya Cholumikizira cha Fiber Optic Ntchito: ST inali yofala m'masukulu, SC mu data comm, LC m'malo okhala ndi anthu ambiri monga malo osungira deta, FC mu zida, MPO mu kulumikizana kwa msana. Ndikufunika kutchula kutayika kwa insertion ndi kutayika kobwerera kwa chilichonse, chifukwa ndizofunika pakugwira ntchito bwino. Komanso, mitundu yopukutira monga PC, UPC, APC. APC imayikidwa mu ngodya kuti iwonetsetse kumbuyo kwa msana, imagwiritsidwa ntchito m'ma network othamanga kwambiri monga GPON.

 

Dikirani, wogwiritsa ntchito anafunsa mitundu ya zolumikizira, koma mitundu yopukutira ndi gawo la zolumikizira. Kodi ndiyenera kuwonjezera zimenezo? Yankho loyamba linatero, kotero mwina palibe vuto. Ndiloleni ndipange cholumikizira chilichonse ndi zinthu zofunika, mapulogalamu wamba, ndi mawonekedwe a magwiridwe antchito.

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Ndikufunika kuonetsetsa kuti sindikuphonya mitundu ikuluikulu. Tiyeni tiilembenso: ST, SC, LC, FC, MTP/MPO, MU, E2000, SMA, DIN, FDDI, ESCON, D4, mwina ina monga Biconic kapena Opti-Jack? Koma imeneyo si yofala kwambiri. Yang'anani kwambiri pa zazikulu zomwe zatchulidwa.

 

Komanso, pa cholumikizira chilichonse, fotokozani mbali zakuthupi: mtundu wa cholumikizira (bayonet, snap-in, threaded), kukula kwa ferrule (ST, SC ili ndi ferrule za 2.5mm, LC 1.25mm). MPO/MTP ili ndi ferrule yozungulira yokhala ndi ulusi wambiri.

 

Mitundu ya Cholumikizira cha Fiber Optic Magwiritsidwe ntchito: ST m'ma network akale, FC mu telecom, LC m'malo amakono osungira deta, MPO m'ma backbones othamanga kwambiri monga 40/100G Ethernet.

 

Mitundu ya Cholumikizira cha Fiber Optic Magwiridwe Ntchito: Kutayika kwa kuyika (kuchuluka kwa kuwala komwe kumatayika mukalumikizidwa) ndi kutayika kwa kubwereranso (kubwereranso). APC ili ndi kutayika kwabwino kwa kubwereranso chifukwa cha kupukutira kozungulira.

 

Ndiyeneranso kuzindikira kuti zolumikizira zina ndizodziwika kwambiri m'madera ena, monga E2000 ku Europe. SMA imagwiritsidwa ntchito m'magulu ankhondo kapena mafakitale chifukwa cha kulimba kwake.

 

Ndiloleni ndikonzere izi m'magawo a bullet points pa mtundu uliwonse wa cholumikizira, monga momwe yankho loyamba linachitira. Onetsetsani kuti mwalemba mwachidule koma fotokozani mfundo zazikulu. Pewani zolakwika zaukadaulo. Mwachitsanzo, MTP ndi mtundu winawake wa MPO, kotero ndizofanana koma MTP ikhoza kukhala ndi zowonjezera zina. Koma mwina kuti zikhale zosavuta, ziphatikizeni pamodzi.

 

Mitundu ya Cholumikizira cha Fiber Optic Onaninso kukula kwa ferrule: ST, SC, FC gwiritsani ntchito 2.5mm; LC imagwiritsa ntchito 1.25mm. MPO ndi multi-fiber, kotero ferrule ndi yayikulu.

 

Mitundu ya Fiber Optic Connector Polishing: PC (Physical Contact), UPC (Ultra Physical Contact), APC (Angled Physical Contact). APC ili ndi ngodya ya madigiri 8. UPC ili ndi kutayika kobwerera bwino kuposa PC, APC ili bwino kwambiri. Chifukwa chake zolumikizira monga SC/APC kapena LC/APC zilipo, kutengera momwe zimagwiritsidwira ntchito.

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Ndikuganiza kuti ndi kapangidwe kabwino. Tsopano, lembani cholumikizira chilichonse ndi tsatanetsatane womwe watchulidwa. Onetsetsani kuti mwalemba mitundu yonse yayikulu ndi makhalidwe ake.

Nayi chidule cha mitundu yolumikizira ya fiber optic yodziwika bwino, yomwe ikuwonetsa mawonekedwe awo ofunikira, mapulogalamu, ndi magwiridwe antchito:

1. ST Connector (Nsonga Yowongoka)

  • Kapangidwe: Cholumikizira cha mtundu wa Bayonet (chokankhira ndi kupotoza), ferrule ya 2.5mm.

  • Mapulogalamu: Ma LAN akale, masukulu, ma network a multimode.

  • Magwiridwe antchito: Kutayika kwa kuyika: 0.25–0.5 dB; kutayika kobwerera: -35 dB (UPC).

  • Zolemba: Yolimba koma makamaka m'malo mwake imasinthidwa ndi zolumikizira zazing'ono.

2. Cholumikizira cha SC (Cholumikizira cha Olembetsa)

  • Kapangidwe: Kapangidwe ka duplex kokhala ndi Snap-in/square, ferrule ya 2.5mm.

  • Mapulogalamu: Datacom, CATV, GPON (nthawi zambiri ndi APC polish).

  • Magwiridwe antchito: Kutayika kwa kuyika: 0.25–0.5 dB; kutayika kobwerera: -60 dB (APC).

3. Cholumikizira cha LC (Cholumikizira cha Lucent)

  • Kapangidwe: Chotchingira ndi kukoka, 1.25mm ferrule (theka la kukula kwa SC).

  • MapulogalamuMalo okhala ndi anthu ambiri (malo osungira deta, malo olumikizirana mauthenga).

  • Magwiridwe antchitoKutayika kwa kuyika: 0.1–0.3 dB; kutayika kobwerera: -60 dB (APC).

4. Cholumikizira cha FC (Cholumikizira cha Ferrule)

  • Kapangidwe: Cholumikizira cholumikizidwa ndi ulusi, chitsulo cha 2.5mm.

  • MapulogalamuMalo omwe amagwedezeka kwambiri (zipangizo zoyesera, telecom).

  • Magwiridwe antchitoKutayika kwa kuyika: 0.3–0.5 dB; kutayika kobwerera: -40 dB (UPC).

5. MTP/MPO (Multi-Fiber Push-On)

  • Kapangidwe: Ulusi wambiri (ulusi wa 12/24), chitsulo chozungulira.

  • Mapulogalamu: Malo osungira deta (40/100G Ethernet, backbone).

  • Magwiridwe antchito: Kutayika kwa kuyika: ≤0.5 dB; kutayika kobwerera: -50 dB (APC).

  • Zolemba: MTP ndi mtundu wa MPO wochita bwino kwambiri.

6. MU (Chipinda Chaching'ono)

  • Kapangidwe: Kapangidwe kakang'ono kofanana ndi SC, ferrule ya 1.25mm.

  • Mapulogalamu: Makina okhala ndi kuchuluka kwakukulu (Japan/Asia).

  • Magwiridwe antchito: Yofanana ndi LC koma si yofala kwambiri.

7. E2000

  • Kapangidwe: Chotsekera chodzaza ndi masika, ferrule ya 2.5mm.

  • Mapulogalamu: FTTH, malo otetezeka (Europe).

  • Magwiridwe antchitoKutayika kobwerera: -60 dB (APC).

8. SMA (Kamphindi kakang'ono A)

  • Kapangidwe: Cholumikizira chachitsulo cholumikizidwa ndi ulusi, ferrule ya 3.17mm.

  • Mapulogalamu: Mafakitale/ankhondo (machitidwe a cholowa).

  • Magwiridwe antchito: Kutayika kwakukulu poyerekeza ndi zolumikizira zamakono.

9. KUCHOKERA

  • Kapangidwe: Muyezo wa Chijeremani, wamakona anayi wokhala ndi loko yotsekera.

  • MapulogalamuZamakampani (zosafala kwambiri masiku ano).

10. Zolumikizira ziwiri

  • FDDI/ESCON: Zolumikizira ziwiri za maukonde enaake (zomwe sizigwiritsidwa ntchito kawirikawiri masiku ano).


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Mfundo Zofunika Kuziganizira

  • Mitundu ya Chipolishi:

    • PC/UPC: Kupukuta kwathyathyathya/kokhala ndi dome (kutayika kobwerera: -50 dB).

    • APC: 8° yopingasa yopingasa (kutayika kobwerera: -60 dB), yomwe imagwiritsidwa ntchito m'maukonde othamanga kwambiri.

  • Kukula kwa Ferrule: 2.5mm (ST/SC/FC), 1.25mm (LC/MU), multi-fiber (MTP/MPO).

  • Zochitika: LC ndi MTP ndizo zikutsogolera makonzedwe amakono okhala ndi kuchuluka kwakukulu; APC ndiyo yabwino kwambiri pa single-mode/CATV.

Chidulechi chikugwirizana ndi kufunika kwa mbiri yakale ndi miyezo yamakono yamakampani, ndikugogomezera momwe zinthu zikuyendera komanso momwe zimagwiritsidwira ntchito.

Lumikizanani nafe, Pezani Zogulitsa Zabwino ndi Utumiki Wabwino.

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