Babban aikin haɗin fiber optic shine saurin haɗa zaruruwan biyu don siginar gani ta ci gaba da samar da hanyar gani. Masu haɗin fiber na gani suna wayar hannu, sake amfani da su, kuma sune mafi mahimmanci kuma mafi yawan abubuwan da aka yi amfani da su a cikin tsarin sadarwa na gani. daga fiber mai watsawa zuwa fiber mai karɓa, da kuma tasirin tsarin saboda tsoma baki yana buƙatar ragewa. Saboda diamita na waje na fiber shine kawai 125um, kuma ɓangaren wucewar haske ya fi ƙanƙanta, fiber-mode fiber kawai kusan 9um ne, kuma fiber multimode shine 50um da 62.5um, don haka haɗin tsakanin fibers ɗin yana buƙatar zama daidai. daidaitacce.
Abubuwan mahimmanci: ferrule
Ta hanyar rawar fiber optic connector, ana iya ganin cewa ainihin abin da ke shafar aikin mai haɗawa shine ferrule. Ingancin ferrule kai tsaye yana rinjayar madaidaicin cibiyar docking na zaruruwa biyu. An yi ferrule da yumbu, ƙarfe ko filastik. yumbu ferrule ne yadu amfani, babban abu ne zirconium dioxide, wanda yana da halaye na mai kyau thermal kwanciyar hankali, high taurin, high narkewa batu, sa juriya da high aiki daidaici. Hannun wani muhimmin sashi ne na mai haɗawa, kuma hannun riga yana aiki azaman daidaitawa don sauƙaƙe hawan mai haɗawa. Diamita na ciki na hannun yumbu ya ɗan ƙanƙanta fiye da diamita na waje na ferrule, kuma tsagaggen hannun riga yana ƙarfafa ferrules biyu don daidaitaccen jeri.
Domin sanya ƙarshen fuskokin zaruruwa biyu mafi kyawun tuntuɓar juna, ƙarshen ferrule yawanci ana ƙasa zuwa sassa daban-daban. PC, APC, da UPC suna wakiltar tsarin saman gaba na yumbura ferrule. PC is Physical Contact, physical contact.The PC is micro-spherical surface goge da goge, saman ferrule ne ƙasa zuwa wani ɗan siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar, goge da goge. Fuskokin ƙarshen fiber guda biyu suna cikin hulɗar jiki.APC (Angled Physical Contact) ana kiranta da murɗaɗɗen fuska, kuma fuskar ƙarshen fiber galibi ana ƙasa zuwa 8° bevel. Ƙaƙwalwar kusurwa na 8° yana sa ƙarshen fiber ya fi ƙarfin fuska kuma yana nuna haske ta hanyar kusurwar da aka yi da shi zuwa cladding maimakon komawa kai tsaye zuwa tushen, samar da ingantaccen aikin haɗin gwiwa. UPC (Ultra Physical Contact), super physical end face.UPC dogara ne a kan PC don inganta karshen fuska polishing da surface gama, karshen fuskar ya dubi mafi dome-dimbin yawa. Haɗin haɗin haɗin yana buƙatar kasancewa cikin tsarin fuska ɗaya na ƙarshe, misali APC da UPC ba za a iya haɗa su ba, yana haifar da raguwar aikin haɗin.
Mahimman sigogi: asarar shigarwa, asarar dawowa
Saboda fuskokin ƙarshen ferrule daban-daban, aikin asarar mai haɗawa shima ya bambanta. Ayyukan gani na masu haɗin fiber optic ana auna su ta asali ta asali guda biyu: asarar shigarwa da asarar dawowa. To, menene asarar shigar? Asarar shigarwa ("IL") ita ce asarar wutar lantarki saboda haɗin gwiwa. Ana amfani da shi galibi don auna asarar gani a tsakanin madaidaitan maki biyu a cikin fiber, yawanci saboda karkatar da ke tsakanin zaruruwan biyu, rata mai tsayi a cikin haɗin fiber, ingancin ƙarshen fuska, da sauransu. An bayyana naúrar a cikin decibels (dB). Karami mafi kyau, abin da ake buƙata gabaɗaya bai kamata ya wuce 0.5dB ba.
Asara Komawa ("RL") tana nufin ma'aunin aikin nuna sigina. Yana bayyana asarar ikon dawo da siginar gani da gani. Gabaɗaya, mafi girma mafi kyau, ana bayyana ƙimar a cikin decibels (dB). Mai haɗin APC na yau da kullun yana da ƙimar RL ta kusan -60 dB kuma mai haɗin PC yana da ƙimar RL na yau da kullun kusan -30 dB.
Baya ga sigogin aikin gani guda biyu na asarar shigarwa da asarar dawowa, aikin mai haɗin fiber na gani ya kamata kuma ya kula da musanyawa, maimaitawa, ƙarfin ƙarfi da zafin aiki na mai haɗin fiber optic. , adadin abubuwan da aka saka da sauransu.
Nau'in haɗin haɗi
Ana rarraba masu haɗawa bisa ga hanyar haɗin kai: LC, SC, FC, ST, MU, MT, MPO/MTP, da dai sauransu; bisa ga fiber karshen fuska: FC, PC, UPC, APC.
LC connector
An yi mahaɗin nau'in LC tare da injin latch jack (RJ) mai sauƙin amfani. Girman fil da hannayen riga da ake amfani da su a cikin mahaɗin LC shine 1.25 mm, wanda shine girman SC, FC, da dai sauransu, don haka girman waje rabin na SC/FC ne kawai.
SC connector
Mai haɗa haɗin haɗin SC ('Subscriber Connector' ko 'Standard Connector') shine madaidaicin mahaɗin murabba'i, wanda aka ɗaure ta hanyar toshewa da saukewa, kuma baya buƙatar juyawa. An yi irin wannan nau'in haɗin kai da robobin injiniya, wanda ba shi da tsada kuma mai sauƙin sakawa da cirewa.
Mai haɗin FC
Mai haɗin FC fiber (Ferrule Connector) da haɗin SC girmansu ɗaya ne, sai dai FC ɗin an yi shi da hannun hannu na ƙarfe kuma hanyar ɗaurawa shine juyi. Samfurin mai amfani yana da fa'idodi na tsari mai sauƙi, aiki mai dacewa, ƙira mai sauƙi da dorewa, kuma ana iya amfani dashi a cikin babban yanayin girgiza.
Mai haɗin ST
Mai haɗin fiber na gani na ST (Madaidaicin Tukwici) yana da murfi na waje mai zagaye tare da robo mai sifar zobe 2.5mm ko casing na ƙarfe. Hanyar ɗaurewa shine juzu'i, wanda aka fi amfani dashi a cikin firam ɗin rarraba fiber.
Mai haɗa MTP/MPO
MTP/MPO fiber optic connector wani nau'i ne na musamman na mai haɗa fiber mai yawa. Tsarin mahaɗin MPO yana da sarƙaƙƙiya, yana haɗa zaruruwa 12 ko 24 a cikin ferrule fiber rectangular. Yawancin lokaci ana amfani da shi don yanayin haɗin kai mai girma kamar cibiyoyin bayanai.
Baya ga abubuwan da ke sama, nau'ikan haɗin haɗin sune MU connectors, MT connectors, MTRJ connectors, E2000 connectors, da makamantansu. SC mai yiwuwa shine haɗin fiber optic da aka fi amfani dashi, musamman saboda ƙirar sa mai ƙarancin farashi. LC fiber optic connectors suma masu haɗin fiber na gani da aka saba amfani da su, musamman don haɗin kai zuwa SFP da SFP+ fiber optic transceivers. Ana amfani da FC galibi a cikin yanayi ɗaya kuma yana da ƙarancin ƙarancin fiber a multimode. Ƙirƙirar ƙira da amfani da ƙarfe yana sa ya fi tsada. ST fiber na gani haši ana yawanci amfani da dogon da gajere aikace-aikace kamar harabar da gine-gine multimode fiber aikace-aikace, sha'anin cibiyar sadarwa yanayi, da kuma soja aikace-aikace.