Pakulankhulana kwa kuwala, mawonekedwe owoneka bwino a zida amalumikizidwa kudzera mu fiber optical.Mwachitsanzo, kugwirizana pakati pa OLT ndiONU(nthawi zambiri, SFP Optical module ikufunika kuti ipereke kulumikizana kwa mawonekedwe pa OLT), ndipo kutumiza kwa data pakati pa ma transceivers awiri optical fiber kumayendetsedwanso kudzera mu fiber optical, kotero dzina la mawonekedwe awo limakhala chidziwitso chofunikira kwambiri pakulankhulana kwa kuwala.
Pali mitundu iwiri ya optical fiber interfaces: ndi kapangidwe ndi kumapeto kwa nkhope.Magulu awiriwa sali ogwirizana, koma amakhala pamodzi.Monga SC / APC pachithunzi pansipa, SC yakale ndi imodzi mwazokhazikika, ndipo APC yotsiriza ndi imodzi mwamagawo omaliza.
Magulu a kamangidwe
1. FC ulusi wozungulira
Mawonekedwe a FC a optical fiber ali ndi malo okwera pang'ono, ndipo mawonekedwe a FC a chipangizo chosiyana ali ndi malo opumula.Ziwirizo ziyenera kugwirizanitsidwa.Mutatha kuyanjanitsa, ikani chingwe cha kuwala ndikuzungulira mawonekedwe akunja (nati) kuti mumalize kukonza.Ngati chotupacho sichikugwirizana ndi kusiyana, limbitsani mtedza, ndipo kufalikira kwa kuwala pakati pa awiriwo kudzakhala ndi kutaya kwakukulu.
Ubwino: Pambuyo polumikizana ndi kulimbitsa, mawonekedwe a kuwala ndi chipangizocho zimagwirizanitsidwa mwamphamvu.
Zoipa: Pulagi ndizovuta ndipo kukhazikitsa kumatenga nthawi yayitali.
2. ST bayonet mtundu wozungulira
Mutu wa ST umakhazikitsidwa ndi bayonet atayikidwa ndikuzungulira theka la bwalo.Zoyipa zake ndikuti ndizosavuta kuswa.
3. SC bayonet lalikulu pakamwa lalikulu
Imatanthawuza makamaka malo okhazikika a pulagi ndi mtundu wa latch (chithunzi chakumanzere chakumanzere ndi SFP Optical module)
Ubwino: yosavuta yolumikizira mwachindunji ndi ntchito yosavuta
Zoyipa: Poyerekeza ndi mawonekedwe a FC, kulumikizana sikulimba kwambiri.
4. LC yaing'ono lalikulu pakamwa
LC ndi yaying'ono kuposa SC ponena za fiber core ndi maonekedwe.LC ndi modular jack (RJ) latch mechanism
Kuthetsa gulu la nkhope
1. PC microsphere pamwamba akupera ndi kupukuta
PC (Physical Contact) kutanthauza kukhudzana.Kuwala kumatuluka kumapeto kwa kuwala kwa kuwala.Ngakhale kuti mapeto a mapeto ndi oonekera ndipo amalola kuwala kudutsa, padzakhalabe kuwala kwina komwe kumawonekera mmbuyo, komwe kumatchedwa back reflection.Kuwala konyezimira sikukumana ndi njira yotumizira yomwe ikuyembekezeka ndipo ikufunika kuponderezedwa.Mlingo wa kulepheretsa kumatchedwa kubwereranso kutaya.PC yasinthidwa pang'onopang'ono ndi UPC.
2, UPC
UPC (Ultra Physical Contact).UPC imapangidwa bwino pamaziko a PC.Nkhope yomaliza ya UPC ndiyopindika pang'ono.Pambuyo popukuta kwa nthawi yayitali, imakhala ndi mapeto abwino kwambiri komanso kubwereranso bwino kusiyana ndi mawonekedwe a PC, koma siwolimba mokwanira.Kulumikiza mobwerezabwereza ndi plugging kumabweretsa kuchepa kwapamwamba komanso ntchito yomaliza.Maonekedwe a chipolopolo cha optical fiber pa nkhope yomaliza ya UPC nthawi zambiri amakhala abuluu.
3. APC ili pa ngodya ya madigiri 8 ndipo pamwamba pa microsphere imapukutidwa ndi kupukutidwa
Poyerekeza ndi PC, APC idzakhala ndi mbali ina ya ngodya, ndipo mapeto a malo oyikapo amapukutidwa pa ngodya ya 8 °, motero kuchepetsa kusinkhasinkha kumbuyo.Kutayika kwa kuwala kwa cholumikizira cha APC ndi - 60dB kapena kupitilira apo, komwe kuli kopambana mitundu ina ya zolumikizira.Zolumikizira za APC zitha kufananizidwa ndi zolumikizira zina zopukutidwa, koma osati zolumikizira zosapukutidwa, apo ayi zingayambitse kutayika kwakukulu.Maonekedwe a chipolopolo cha optic fiber pa nkhope yomaliza ya APC nthawi zambiri amakhala obiriwira.
Mau oyamba ena
Flange mbale
Lumikizani maulalo awiri a kuwala kuti muwonjezere njira ya kuwala.Dziwani kuti APC mapeto nkhope ndi UPC mapeto nkhope sangathe kusakaniza.
Chipewa cha fumbi
Amagwiritsidwa ntchito popewa fumbi kuti aletse nkhope yomaliza ya fiber core kuti isaipitsidwe, zomwe zingakhudze kufalikira kwa chizindikiro.
