Ha ho tluoa tabeng ea ho fetisetsa nako e telele, ho nahana ka litšenyehelo, mokhanni oa khale o tla qala ho nahana ka lintho tse peli: li-transceivers tsa fiber optic le marokho.Ka fiber optics, sebelisa li-transceivers.Haeba ho se na fiber ea optical, ho itšetlehile ka hore na tikoloho ea sebele e ka amahanngoa le borokho.
Lik'hilomithara tse fetang leshome le lik'hilomithara tse ngata, empa hape le ho netefatsa phetisetso e tsitsitseng le e tšepahalang, fiber ea optical e ea hlokahala.
Kajeno, ha re bue ka tharollo e ka sehloohong puisanong ea fiber ea optical - transceiver ea fiber ea optical.
Transceiver ke sesebelisoa sa ho fetola mats'oao, hangata se bitsoang fiber optic transceiver.Ho hlaha ha li-transceivers tsa optical fiber li fetola lipontšo tse sothehileng tsa motlakase le mats'oao a mahlo ho e mong, ho netefatsa phetiso e boreleli ea lipakete tsa data lipakeng tsa marang-rang a mabeli, 'me ka nako e ts'oanang ho lelefatsa moeli oa sebaka sa phetiso ea marang-rang ho tloha ho limithara tse 100 tsa likhoele tsa koporo ho isa ho 100. lik'hilomithara (faeba ea mokhoa o le mong).
Ka nts'etsopele e tsoelang pele ea mahlale a morao-rao, e se e le mokhoa oa hajoale oa hore theknoloji ea serial ea lebelo le phahameng ea VO e nke sebaka sa theknoloji e tšoanang ea I/O.Lebelo le lebelo ka ho fetesisa la libese tse bapileng ke 133 MB/s ea ATA7.Sekhahla sa phetisetso se fanoeng ke tlhaloso ea SATA1.0 e lokollotsoeng ka 2003 e fihlile ho 150 MB / s, 'me lebelo la khopolo-taba ea SATA3.0 le fihlile ho 600 MB / s.Ha sesebelisoa se sebetsa ka lebelo le phahameng, bese e ts'oanang e ka ba le tšitiso le crosstalk, e leng se etsang hore mohala o be thata haholo.Tšebeliso ea li-transceivers tsa serial e ka nolofatsa moralo oa moralo le ho fokotsa palo ea lihokelo.Li-interface tsa serial le tsona li sebelisa matla a manyane ho feta likou tse bapileng tse nang le bandwidth e tšoanang ea libese.'Me mokhoa oa ho sebetsa oa sesebelisoa o fetoloa ho tloha ho phetiso e tšoanang ho ea ho serial,' me lebelo la serial le ka imena habeli ha lebelo le ntse le eketseha.
Boemo ba lebelo la Gb bo thehiloeng ho FPGA le melemo ea kaho ea matla a tlase, e thusa baqapi ho sebelisa lisebelisoa tse sebetsang tsa EDA ho rarolla bothata ba protocol le liphetoho tsa lebelo kapele.Ka ts'ebeliso e pharaletseng ea FPGA, transceiver e kopantsoe ho FPGA, e fetohileng mokhoa o atlehang oa ho rarolla bothata ba lebelo la phetisetso ea lisebelisoa.
Li-transceivers tsa lebelo le phahameng li etsa hore ho khonehe ho fetisetsa palo e kholo ea lintlha tsa data-point-to-point.Theknoloji ena ea seriale ea puisano e sebelisa ka botlalo matla a kanale ea mochini oa phetisetso mme e fokotsa palo ea likanale tse hlokahalang tsa phetiso le likhoele tsa sesebelisoa ha li bapisoa le libese tsa data tse bapileng, ka hona li fokotsa puisano haholo.litšenyehelo.Transceiver e nang le ts'ebetso e babatsehang e lokela ho ba le melemo ea ho sebelisa matla a fokolang, boholo bo fokolang, ho hlophisoa habonolo, le ts'ebetso e phahameng, e le hore e ka kenngoa habonolo tsamaisong ea libese.Ho protocol ea phetisetso ea data ea lebelo le phahameng, ts'ebetso ea transceiver e phetha karolo ea makhaola-khang lebelong la phetisetso ea sebopeho sa libese, hape e ama ts'ebetso ea sistimi ea libese ho isa tekanyong e itseng.Patlisiso ena e sekaseka ho phethahala ha module ea transceiver ea lebelo le phahameng sethaleng sa FPGA, hape e fana ka tšupiso e sebetsang bakeng sa ho phethahala ha liprothokholo tse fapaneng tsa serial tsa lebelo le phahameng.
Lebokose lena le lenyenyane le na le sekhahla se phahameng haholo sa ho pepeseha lenaneong la phetisetso ea sebaka se selelele, 'me hangata le ka bonoa lits'ebetsong tsa rona tsa ho beha leihlo, li-wireless, fiber optical le maemo a mang.
mokhoa oa ho sebelisa
Li-transceivers tsa optical fiber hangata li sebelisoa ka bobeli, 'me li sebelisoa qetellong ea ho fihlella (e ka kopanngoa le li-terminals tse kang lik'hamera, APs, le li-PC ka li-switches) le sebaka se hole sa ho amohela (joalo ka kamore ea khomphutha / kamore ea taolo e bohareng, jj. ., ha e le hantle, e ka boela ea sebelisoa bakeng sa ho fihlella), kahoo ho haha borokho ba puisano bo tlaase, bo potlakileng le bo tsitsitseng bakeng sa lipheletsong tse peli.
Ha e le hantle, ha feela litlhaloso tsa tekheniki tse kang sekhahla, bolelele ba maqhubu, mofuta oa faeba (joalo ka sehlahisoa se le seng sa fiber e le 'ngoe, kapa mofuta o le mong oa li-faeba tse peli) li lumellana, mefuta e fapaneng e bapisitsoe, esita le. pheletsong e le 'ngoe ea transceiver ea fiber le pheletso e' ngoe ea module ea optical e ka finyelloa.puisano.Empa ha re e khothaletse.
Fiber e le 'ngoe le tse peli
Transceiver e nang le fiber e le 'ngoe e amohela theknoloji ea WDM (wavelength division multiplexing), ntlha e le' ngoe e fetisetsa wavelength 1550nm, e amohela wavelength 1310nm, 'me qetello e' ngoe e fetisetsa 1310nm 'me e amohela 1550nm, e le ho lemoha ho amohela le ho romela data ka fiber e le' ngoe ea optical.
Ka hona, ho na le kou e le 'ngoe feela ea optical ho mofuta ona oa transceiver,' me lipheletsong tse peli li tšoana hantle.E le ho khetholla, lihlahisoa ka kakaretso li khetholloa ke lipheletso tsa A le B.
Single fiber transceiver (setšoantšong ke para, zero e le 'ngoe)
Li-port tsa optical tsa transceiver tse peli-fiber ke "para e le 'ngoe" - sekepe se fetisang se tšoailoeng ka TX + sekepe se amohelang se tšoailoeng ka RX, ntlha e le' ngoe ke para, 'me e mong le e mong ea romelang le ho amohela o etsa mesebetsi ea hae.Maqhubu a maqhubu a TX le RX aa tšoana, ka bobeli ke 1310nm.
Dual-fiber transceiver (setšoantšong ke para, zero one)
Hajoale, lihlahisoa tsa mantlha tsa fiber e le 'ngoe 'marakeng.Tabeng ea bokhoni ba phetisetso bo bapisoang, li-transceivers tsa fiber e le 'ngoe tse "bolokang litšenyehelo tsa fiber e le' ngoe" ho hlakile hore li tumme haholo.
Mokhoa o le mong le Multimode
Phapang pakeng tsa li-transceivers tsa fiber optical fiber tse nang le mefuta e mengata e bonolo, ke hore, phapang pakeng tsa fiber ea optical e nang le mokhoa o le mong le mefuta e mengata ea optical fiber.
Bophahamo ba mantlha ba fiber ea mofuta o le mong bo nyane (mokhoa o le mong feela oa leseli o lumelletsoe ho ata), ho hasana ho nyane, 'me ho khahlanong le ho kena-kenana le ho feta.Sebaka sa phetisetso se phahame haholo ho feta sa fiber ea mefuta e mengata, e ka fihlang ho feta lik'hilomithara tse 20 kapa esita le makholo a lik'hilomithara.Hangata e sebelisoa ka har'a 2 km.
Sena ke hantle hobane bophara ba mantlha ba fiber ea mofuta o le mong bo nyane, ho thata ho laola boriti, 'me ho hlokahala laser e theko e phahameng e le mohloli oa leseli (li-multi-mode fiber hangata li sebelisa mohloli oa leseli la LED), kahoo theko ke e phahameng ho feta ea mefuta e mengata ea fiber, e nang le litšenyehelo tse ngata.
Hajoale, ho na le lihlahisoa tse ngata tsa transceiver tsa mofuta o le mong 'marakeng.Lisebelisoa tsa li-multi-mode data center li ngata, lisebelisoa tsa mantlha ho lisebelisoa tsa mantlha, puisano e khutšoanyane ea li-bandwidth tse kholo.
likarolo tse tharo tsa bohlokoa
1. Lebelo.Ho na le lihlahisoa tsa Fast le Gigabit tse fumanehang.
2. Sebaka sa phetiso.Ho na le lihlahisoa tsa lik'hilomithara tse 'maloa le lik'hilomithara tse ngata.Ho phaella ho sebaka se pakeng tsa lipheletsong tse peli (optical cable distance), u se ke ua lebala ho sheba sebaka ho tloha boema-kepe ba motlakase ho ea ho switch.E khuts'oane ho molemo.
3. Mofuta oa mokhoa oa fiber.Mokhoa o le mong kapa oa mefuta e mengata, fiber e le 'ngoe kapa mefuta e mengata.
Nako ea poso: Mar-17-2022