Ukusetshenziswa kwama-transceiver fiber optical kumaphrojekthi amanje abuthakathaka kuvame kakhulu, ngakho-ke sikhetha kanjani ama-transceiver optical fiber kumaphrojekthi wobunjiniyela? Uma i-fiber optic transceiver yehluleka, ungayigcina kanjani?
1.Iyini i-ai-fiber optic transceiver?
I-optical fibre transceiver ibizwa nangokuthi i-photoelectric converter, okuyiyunithi yokuguqula imidiya ye-Ethernet eshintshanisa amasiginali kagesi asontekile amabanga amafushane kanye namasiginali okubona amabanga amade.
Ama-engeli ahlukene wokubuka enza abantu babe nokuqonda okuhlukile kwama-transceiver e-fiber optic, njengeI-10M eyodwa, i-100M fiber optic transceivers, i-10/100M i-adaptive fibre optic transceivers kanyeI-1000M i-fiber optic transceiversngokwezinga lokudlulisela; zihlukaniswe ngezindlela zokusebenza. Ama-transceivers e-fiber optic asebenza kungqimba olubonakalayo kanye nama-transceivers e-fiber optic asebenza kungqimba lwesixhumanisi sedatha; ngokombono wesakhiwo, zihlukaniswe zibe ideskithophu (ezimele) i-fiber optic transceivers kanye ne-rack-mounted fiber optic transceivers; ngokomehluko ku-fiber yokufinyelela Kunamagama amabili e-multi-mode optical fiber transceiver kanye ne-single-mode optical fiber transceiver.
Ukwengeza, kukhona ama-transceivers optic optic single-fiber kanye ne-dual-fiber optic transceivers, i-fiber optic transceivers eyakhelwe ngaphakathi kanye ne-transceivers yangaphandle ye-fiber optic yamandla, kanye nama-transceivers e-fiber optic aphethwe kanye ne-fiber optic transceivers engalawulwa. Ama-transceivers e-Fiber optic aphula umkhawulo wamamitha angu-100 wezintambo ze-Ethernet ekudluliselweni kwedatha, athembele ekushintsheni ama-chips asebenza kahle kakhulu kanye nama-buffers amakhulu, kuyilapho efezekisa ngempela ukuthunyelwa okungavimbeli nokusebenza kokushintsha, futhi inikeza ithrafikhi elinganiselayo, ukuhlukaniswa kwezingxabano kanye Ukutholwa kwephutha neminye imisebenzi kuqinisekisa ukuvikeleka okuphezulu nokuzinza phakathi nokudluliswa kwedatha.
2.Ukusetshenziswa kwe-optical fiber transceiver
Empeleni, i-optical fiber transceiver iqedela kuphela ukuguqulwa kwedatha phakathi kwemidiya ehlukene, engabona ukuxhumana phakathi kokubili.amaswishinoma amakhompyutha aphakathi kuka-0-100Km, kodwa uhlelo lokusebenza lunokunwetshwa okwengeziwe.
1. Qaphela ukuxhumana phakathiamaswishi.
2.Qaphela ukuxhumana phakathi kwe-shintshakanye nekhompyutha.
3.Qaphela ukuxhumana phakathi kwamakhompyutha.
I-4.I-Transmission relay: Uma ibanga langempela lokudlulisela lidlula ibanga elijwayelekile lokudluliswa kwe-transceiver, ikakhulukazi uma ibanga langempela lokudlulisela lidlula i-100Km, uma izimo zesayithi zivuma, ama-transceivers amabili asetshenziselwa ukudluliswa kwe-back-to-back. Isixazululo esingabizi kakhulu.
5. Ukuguqulwa kwe-multimode eyodwa: Uma uxhumano lwe-fiber ye-multimode ludingeka phakathi kwamanethiwekhi, i-transceiver eyodwa yemodi eminingi kanye ne-transceiver eyodwa yemodi eyodwa ingaxhunywa emuva emuva ukuze kuxazululwe inkinga yokuguqulwa kwe-fiber ye-multimode eyodwa.
6. Ukudluliselwa kwe-multiplexing ye-wavelength division: Uma izinsiza zekhebula lebanga elide zinganele, ukuze kwandiswe izinga lokusebenzisa ikhebula le-optical futhi kuncishiswe izindleko, i-transceiver kanye ne-multiplexer ye-wavelength division ingasetshenziswa ndawonye ukudlulisa iziteshi ezimbili. yolwazi kupheya efanayo yamafiber optical.
3.Tusebenzisa i-optical fiber transceiver
Esethulweni, siyazi ukuthi kunezigaba eziningi ezahlukene ze-fiber optic transceivers, kodwa ekusetshenzisweni kwangempela, ukunakwa okuningi kukhokhwa ezigabeni ezihlukaniswa izixhumi ezihlukahlukene ze-fiber: i-SC connector fiber optic transceiver kanye ne-ST isixhumi se-fiber optic transceiver. .
Uma usebenzisa ama-transceiver e-fiber optic ukuxhuma amadivaysi ahlukene, kufanele unake izimbobo ezihlukene ezisetshenziswayo.
1. Ukuxhumeka kwe-fiber optic transceiver kumishini ye-100BASE-TX (shintsha, indawo):
Qinisekisa ukuthi ubude bekhebula elisontekile abukho ngaphezu kwamamitha ayi-100;
Xhuma isiphetho esisodwa sepheya esontekile embobeni ye-RJ-45 (imbobo ye-Uplink) ye-fiber optic transceiver, kanye nesinye isiphetho sembobo ye-RJ-45 (imbobo evamile) yedivayisi ye-100BASE-TX (shintsha, isikhungo).
2. Ukuxhumeka kwe-fiber optic transceiver kumishini ye-100BASE-TX (ikhadi lenethiwekhi):
Qinisekisa ukuthi ubude bekhebula elisontekile abukho ngaphezu kwamamitha ayi-100;
Xhuma isiphetho esisodwa sepheya esontekile embobeni ye-RJ-45 (imbobo ye-100BASE-TX) ye-fiber optic transceiver, nesinye isiphetho sembobo ye-RJ-45 yekhadi lenethiwekhi.
3. Ukuxhumana kwe-fiber optic transceiver ku-100BASE-FX:
Qinisekisa ukuthi ubude be-fiber optical abukho ngaphezu kwebanga lebanga elinikezwa okokusebenza;
Ingxenye eyodwa yefiber ixhunywe kusixhumi se-SC/ST se-fiber optic transceiver, kanti enye ixhunywe kusixhumi se-SC/ST sedivayisi ye-100BASE-FX.
Enye into okudingeka yengezwe ukuthi abasebenzisi abaningi bacabanga lapho besebenzisa i-fiber optic transceivers: inqobo nje uma ubude befiber bungaphakathi kwebanga eliphakeme elisekelwa i-fiber yemodi eyodwa noma i-multi-mode fiber, ingasetshenziswa ngokujwayelekile. Eqinisweni, lokhu ukuqonda okungalungile. Lokhu kuqonda kulungile kuphela uma amadivayisi axhunyiwe engamadivayisi agcwele i-duplex. Uma kunamadivayisi angama-half-duplex, ibanga lokudlulisela le-fiber optical lilinganiselwe.
4.Isimiso sokuthengwa kwe-fiber optical transceiver
Njengedivaysi yesixhumi senethiwekhi yesifunda, i-optical fibre transceiver umsebenzi wayo oyinhloko ukuthi ixhuma kanjani ngaphandle komthungo idatha yamaqembu amabili. Ngakho-ke, kufanele sicabangele ukuhambisana kwayo nendawo ezungezile, kanye nokuzinza nokuthembeka kwemikhiqizo yayo, ngokuphambene nalokho: kungakhathaliseki ukuthi intengo iphansi kangakanani, ayikwazi ukusetshenziswa!
1. Ingabe isekela i-duplex ephelele ne-half duplex?
Amanye ama-chips emakethe angasebenzisa kuphela indawo eyi-duplex egcwele okwamanje, futhi awakwazi ukusekela i-half-duplex. Uma zixhunywe kwezinye izinhlobo zeamaswishi (SHINTSHA) noma amahabhu (HUB), futhi isebenzisa imodi ye-half-duplex, izodala ukungqubuzana nokulahlekelwa okukhulu.
2. Ingabe ukuhlolile ukuxhumana namanye ama-transceiver optical?
Njengamanje, kunama-transceiver amaningi we-fiber optic emakethe. Uma ukuhambisana kwama-transceiver ezinhlobo ezahlukene kungazange kuhlolwe ngaphambili, kuzophinde kubangele ukulahlekelwa kwephakethe, isikhathi eside sokudlulisela, kanye nesivinini esisheshayo nokunensa.
3. Ingabe ikhona idivayisi yokuphepha yokuvimbela ukulahleka kwephakethe?
Ukuze kuncishiswe izindleko, abanye abakhiqizi basebenzisa imodi yokubhalisa idatha lapho bekhiqiza ama-transceivers e-fiber optic. Ukungalungi okukhulu kwale ndlela ukungazinzi nokulahlekelwa kwephakethe ngesikhathi sokudlulisela. Okungcono kakhulu ukusebenzisa i-buffer circuit design. Ingagwema ngokuphephile ukulahleka kwephakethe ledatha.
4. Izimo lokushisa?
I-fiber optic transceiver ngokwayo izokhiqiza ukushisa okuphezulu lapho isetshenziswa. Uma izinga lokushisa liphezulu kakhulu (ngokuvamile lingabi ngaphezu kuka-85°C), ingabe i-fiber optic transceiver isebenza ngokujwayelekile? Ingakanani izinga lokushisa eliphezulu elivumelekile lokusebenza? Ngomshini odinga ukusebenza isikhathi eside, le nto kufanele siyinake!
5.Ingabe ihambisana nezinga le-IEEE802.3u?
Uma i-transceiver ye-fiber optical ihlangabezana nezinga le-IEEE802.3, okungukuthi, ukubambezeleka nesikhathi kulawulwa ku-46bit, uma kudlula i-46bit, kusho ukuthi ibanga lokudlulisela le-transceiver optical fiber lizofinyezwa! !
Ezinhlanu, izixazululo zephutha ezivamile zama-optical fibre transceivers
1. Isibani samandla asikhanyi
ukuhluleka kukagesi
2.I-Link light ayikhanyi
Iphutha lingaba kanje:
(a) Hlola ukuthi umugqa wefiber optical uvuliwe yini
(b) Hlola ukuthi ingabe ukulahleka kolayini we-fiber optical kukhulu kakhulu, okudlula ububanzi bokwamukela impahla
(c) Hlola ukuthi isixhumi esibonakalayo se-fiber optical sixhunywe ngendlela efanele, i-TX yasendaweni ixhunywe ne-RX ekude, futhi i-TX ekude ixhumeke ne-RX yendawo.
(d) Hlola ukuthi isixhumi se-fiber optical sifakwe kahle yini kusixhumi esibonakalayo sedivayisi, noma uhlobo lwe-jumper lufana nesixhumi esibonakalayo sedivayisi, noma uhlobo lwedivayisi lufana ne-optical fibre, nokuthi ubude bokudlulisela bocingo bufana nebanga.
3. Isibani se-Circuit Link asikhanyi
Iphutha lingaba kanje:
(a) Hlola ukuthi ikhebuli yenethiwekhi ivuliwe yini
(b) Hlola ukuthi uhlobo lokuxhuma luyahambisana yini: amakhadi enethiwekhi kanyeimizilanezinye izinto zokusebenza zisebenzisa izintambo ze-crossover, kanyeamaswishi, amahabhu nezinye izinto zokusebenza zisebenzisa izintambo eziqondile.
(c) Hlola ukuthi izinga lokudlulisa locingo liyahambisana yini
4. Ukulahlekelwa kwephakethe lenethiwekhi okukhulu
Ukwehluleka okungenzeka kungokulandelayo:
(1) Imbobo kagesi ye-transceiver nesixhumi esibonakalayo sedivayisi yenethiwekhi, noma imodi eyi-duplex yesixhumi esibonakalayo sedivayisi kuzo zombili iziphetho azifani.
(2) Kunenkinga ngekhebula elisontekile kanye nekhanda le-RJ-45, lihlole
(3) Inkinga yokuxhuma i-fiber, noma ngabe i-jumper iqondaniswe nesixhumi esibonakalayo sedivayisi, noma ngabe i-pigtail ifana ne-jumper kanye nohlobo lwe-coupler, njll.
(4) Ukuthi ukulahleka komugqa we-fiber optical kudlula okokusebenza okuthola ukuzwela.
5. Iziphetho ezimbili azikwazi ukuxhumana ngemva kokuxhunywa kwe-fiber optic transceiver
(1). Uxhumo lwefayibha luyahlehliswa, futhi ifayibha exhunywe ku-TX ne-RX iyashintshwa
(2). I-interface ye-RJ45 kanye nedivayisi yangaphandle ayixhunyiwe ngendlela efanele (naka i-straight-through and splicing). I-optical fiber interface (i-ceramic ferrule) ayifani. Leli phutha libonakala kakhulu ku-transceiver engu-100M enomsebenzi wokulawula okuhlangene kwezithombe zikagesi, njenge-APC ferrule. Lapho i-pigtail ixhunywe ku-transceiver ye-PC ferrule, ngeke ikwazi ukuxhumana ngokujwayelekile, kodwa ngeke ibe nomphumela uma ixhunywe ku-transceiver engeyona i-optical.