Idan ana maganar watsa nisa, idan aka yi la’akari da tsadar, tsohon direban zai fara tunanin abubuwa biyu: fiber optic transceivers da gadoji.Tare da fiber optics, yi amfani da transceivers.Idan babu fiber na gani, ya dogara da ko ainihin yanayin zai iya haɗawa da gada.
Fiye da kilomita goma da dozin na kilomita, amma kuma don tabbatar da ingantaccen watsawa mai inganci, fiber na gani yana da mahimmanci.
A yau, bari muyi magana game da jagorar mafita a cikin sadarwar fiber na gani - transceiver fiber na gani.
Transceiver na'ura ce don juyawa sigina, yawanci ana kiranta da transceiver fiber optic.Fitowar fiber transceivers na gani yana juyar da siginonin lantarki guda biyu masu karkace da sigina na gani zuwa juna, yana tabbatar da ingantaccen watsa fakitin bayanai tsakanin cibiyoyin sadarwa guda biyu, kuma a lokaci guda yana tsawaita iyakar watsa nisan hanyar sadarwa daga mita 100 na wayoyi na jan karfe zuwa 100. kilomita (fiber yanayin guda ɗaya).
Tare da ci gaba da ci gaban fasaha, ya zama yanayin halin yanzu cewa fasahar VO mai saurin sauri ta maye gurbin fasahar I / O na gargajiya.Matsakaicin saurin haɗin motar bas mafi sauri shine 133 MB/s na ATA7.Matsakaicin canja wurin da SATA1.0 ƙayyadaddun ya bayar a cikin 2003 ya kai 150 MB/s, kuma saurin ka'idar SATA3.0 ya kai 600 MB/s.Lokacin da na'urar ke aiki a cikin babban sauri, motar bas ɗin layi ɗaya tana da saukin kamuwa da tsangwama da yin magana, wanda ke sanya wayoyi masu rikitarwa sosai.Amfani da serial transceivers na iya sauƙaƙa ƙirar shimfidar wuri kuma rage adadin masu haɗawa.Serial musaya kuma suna cinye ƙasa da ƙarfi fiye da daidaitattun tashoshin jiragen ruwa masu bandwidth iri ɗaya na bas.Kuma yanayin aiki na na'urar yana canzawa daga layi ɗaya zuwa watsa shirye-shirye, kuma ana iya ninka saurin serial yayin da mitar ke ƙaruwa.
Matsayin saurin Gb na tushen FPGA da fa'idodin gine-gine masu ƙarancin ƙarfi, yana bawa masu ƙira damar amfani da ingantaccen kayan aikin EDA don magance matsalar ƙa'ida da saurin canje-canje.Tare da faɗuwar aikace-aikacen FPGA, an haɗa transceiver a cikin FPGA, wanda ya zama ingantacciyar hanya don magance matsalar saurin watsa kayan aiki.
Masu saurin saurin sauri suna ba da damar watsa bayanai masu yawa-zuwa aya.Wannan serial sadarwa fasahar yin cikakken amfani da tashar ikon watsa watsa labarai da kuma rage yawan bukatar watsa tashoshi da kuma fil na'ura idan aka kwatanta da layi daya data bas, ta haka ne ƙwarai rage sadarwa.farashi.Mai watsawa tare da kyakkyawan aiki yakamata ya sami fa'idodin ƙarancin amfani da wutar lantarki, ƙaramin girman ƙanƙara, daidaitawa mai sauƙi, da ingantaccen inganci, ta yadda za'a iya haɗa shi cikin sauƙi cikin tsarin bas.A cikin ka'idar watsa bayanan siriyal mai sauri, aikin na'ura mai ɗaukar hoto yana taka muhimmiyar rawa a cikin saurin watsa bayanan motar bas, kuma yana shafar aikin tsarin haɗin bas zuwa wani ɗan lokaci.Wannan binciken yana nazarin fahimtar babban tsarin mai ɗaukar hoto akan dandalin FPGA, kuma yana ba da ma'ana mai fa'ida don tabbatar da ka'idoji masu sauri masu sauri daban-daban.
Wannan ƙaramin akwatin yana da ƙimar bayyanawa sosai a cikin tsarin watsawa mai nisa, kuma ana iya gani sau da yawa a cikin saka idanu, mara waya, samun fiber na gani da sauran al'amuran.
yadda ake amfani da shi
Ana amfani da transceivers na fiber na gani gabaɗaya cikin nau'i-nau'i, kuma ana tura su a ƙarshen samun dama (wanda za'a iya haɗa su zuwa tashoshi kamar kyamarori, APs, da PC ta hanyar sauya) da ƙarshen karɓar nesa (kamar ɗakin kwamfuta / ɗakin kulawa na tsakiya, da sauransu). ., ba shakka, ana iya amfani da shi don samun damar shiga), don haka gina gada mai sauƙi, mai sauri da kwanciyar hankali ga duka biyun.
A ka'ida, muddin ƙayyadaddun ƙayyadaddun fasaha kamar ƙima, tsayin raƙuman ruwa, nau'in fiber (kamar samfuri guda ɗaya na fiber guda ɗaya, ko nau'in nau'in nau'in nau'in nau'in fiber guda ɗaya) sun daidaita, samfuran iri daban-daban suna daidaitawa, har ma. Ƙarshen ɗaya na fiber transceiver da kuma ƙarshen na'urar gani za a iya cimma.sadarwa.Amma ba mu ba da shawarar shi ba.
Single da Dual Fiber
Mai ɗaukar fiber guda ɗaya yana ɗaukar fasahar WDM (wavelength division multiplexing), ƙarshen yana watsa 1550nm tsawon tsayi, yana karɓar tsayin 1310nm, ɗayan kuma yana watsa 1310nm kuma yana karɓar 1550nm, don gane karɓar bayanai da aikawa akan fiber na gani ɗaya.
Saboda haka, akwai tashar tashar gani guda ɗaya kawai akan wannan nau'in transceiver, kuma ƙarshen biyu daidai suke.Don bambancewa, ana gano samfuran gabaɗaya ta ƙarshen A da B.
Single fiber transceiver (hoton biyu ne, sifili daya)
Tashar jiragen ruwa na gani na transceiver-fiber dual-fiber sune "biyu" - tashar watsawa da aka yiwa alama tare da TX + tashar karɓa mai alama tare da RX, ƙarshen ɗayan biyu ne, kuma kowane aikawa da karɓa yana aiwatar da ayyukansu.Tsawon igiyoyin TX da RX iri ɗaya ne, duka 1310nm ne.
Dual-fiber transceiver (hoton biyu ne, sifili ɗaya)
A halin yanzu, manyan samfuran fiber guda ɗaya akan kasuwa.A cikin yanayin iyawar watsawa kwatankwacin, masu ɗaukar fiber guda ɗaya waɗanda "ajiye farashin fiber ɗaya" sun fi shahara a fili.
Singlemode da Multimode
Bambance-bambancen da ke tsakanin masu ɗaukar fiber na gani guda ɗaya da masu ɗaukar fiber na gani da yawa yana da sauƙi, wato, bambanci tsakanin fiber na gani guda ɗaya da fiber na gani da yawa.
Matsakaicin diamita na fiber-mode guda ɗaya yana ƙarami (yanayin haske ɗaya ne kawai aka ba da izinin yaduwa), tarwatsewar ƙarami ne, kuma ya fi tsangwama.Nisan watsawa ya fi na fiber-mode fiber, wanda zai iya kaiwa fiye da kilomita 20 ko ma daruruwan kilomita.Yawancin lokaci ana amfani da shi a cikin kilomita 2.
Wannan shi ne daidai saboda ainihin diamita na fiber-mode guda ɗaya yana da ƙananan, katako yana da wuyar sarrafawa, kuma ana buƙatar laser mai tsada a matsayin tushen haske (fiber-mode fiber gabaɗaya yana amfani da tushen hasken LED), don haka farashin shine. sama da na fiber-mode fiber, wanda ya fi tasiri.
A halin yanzu, akwai samfuran transceiver da yawa a cikin kasuwa.Aikace-aikacen cibiyar bayanai masu yawa-yawanci sun fi yawa, kayan aiki na asali zuwa kayan aiki na asali, sadarwa mai girma-bandwidth gajere.
uku key sigogi
1. Gudu.Akwai samfuran Fast da Gigabit akwai.
2. Nisa watsawa.Akwai samfuran kilomita da yawa da dozin na kilomita.Bugu da ƙari ga nisa tsakanin ƙarshen biyu (nisa na USB na gani), kar a manta da duba nisa daga tashar wutar lantarki zuwa sauyawa.Mafi guntu shine mafi kyau.
3. Yanayin nau'in fiber.Yanayin-Single ko Multi-mode, guda-fiber ko Multi-fiber.
Lokacin aikawa: Maris 17-2022