Ukusetyenziswa kwee-transceivers zefiber optical kwiiprojekthi zangoku ezibuthathaka zixhaphake kakhulu, ngoko ke sikhetha njani ii-transceivers zefiber optical kwiiprojekthi zobunjineli?Xa i-fiber optic transceiver isilela, ungayigcina njani?
1.Yintoni i-ai-fiber optic transceiver?
I-fiber optical transceiver ikwabizwa ngokuba yi-photoelectric converter, eyiyunithi yokuguqula imidiya ye-Ethernet etshintshiselana ngeempawu zombane ezijijekileyo kumgama omfutshane kunye nemiqondiso yokubona ekude.
Ii-engile ezahlukeneyo zokujonga zenza abantu babe nokuqonda okwahlukileyo kwii-transceivers zefiber optic, ezifanaI-10M enye, i-100M i-fiber optic transceivers, I-10/100M i-adaptive fiber optic transceivers kunyeI-1000M i-fiber optic transceiversngokwezinga losulelo;zahlulwe ngokweendlela zokusebenza.I-Fiber optic transceivers esebenza kwi-fiber optic layer kunye ne-fiber optic transceivers esebenza kwi-data link layer;ukusuka kwimbono yesakhiwo, zahlulwe kwi-desktop (i-stand-alone) i-fiber optic transceivers kunye ne-rack-mounted fiber optic transceivers;ngokomahluko kwifiber yokufikelela Kukho amagama amabini e-multi-mode optical fiber transceiver kunye ne-single-mode optical fiber transceiver.
Ukongezelela, kukho i-fiber optic transceivers kunye ne-double-fiber optic transceivers, i-fiber optic transceivers eyakhelwe ngaphakathi kunye ne-fiber optic transceivers yamandla angaphandle, kunye ne-fiber optic transceivers elawulwayo kunye ne-fiber optic transceivers engalawulwayo.I-Fiber optic transceivers iphula umda we-100-meter ye-Ethernet cables kwi-data transmission, ixhomekeke kwi-high-performance switching chips kunye ne-buffers enkulu, ngelixa ufezekisela ngokwenene ukuhanjiswa kunye nokusebenza kokutshintsha, ikwabonelela nge-traffic elinganiselayo, ukuhlukaniswa kweengxabano kunye nokuziphatha. Ukufunyanwa kwempazamo kunye neminye imisebenzi iqinisekisa ukhuseleko oluphezulu kunye nokuzinza ngexesha lokuhanjiswa kwedatha.
2.Ukusetyenziswa kwe-optical fiber transceiver
Eyona nto, i-transceiver ye-fiber optical igqiba kuphela ukuguqulwa kwedatha phakathi kweendaba ezahlukeneyo, ezinokuqonda ukudibanisa phakathi kokutshintsha ezimbini okanye iikhomputha ngaphakathi kwe-0-100Km, kodwa isicelo sangempela sinokwandiswa okungakumbi.
1. Qonda uqhagamshelwano phakathi kokutshintsha.
2.Qaphela unxibelelwano phakathi kokutshintsha kunye nekhompyuter.
3.Qaphela uqhagamshelwano phakathi kweekhompyutha.
I-4.I-relay yokudluliselwa: Xa umgama wothumelo wangempela udlula umgama ogqithisiweyo we-transceiver, ngakumbi xa umgama wothumelo wangempela udlula i-100Km, ukuba iimeko zesayithi zivumela, ii-transceivers ezimbini zisetyenziselwa ukubuyisela umva ukuya ngasemva.Isisombululo esibiza kakhulu.
5. Ukuguqulwa kwe-multimode enye: Xa uxhulumaniso lwefiber ye-multimode enye iyadingeka phakathi kwamanethiwekhi, enye i-transceiver ye-multi-mode kunye ne-mode-mode-mode transceiver inokudityaniswa ngasemva ukuze ixazulule ingxaki yokuguqulwa kwefayibha ye-multimode.
6. I-Wavelength division multiplexing transmission: Xa i-long-long-optical cable resources inganelanga, ukwenzela ukwandisa izinga lokusetyenziswa kwentambo ye-optical kunye nokunciphisa iindleko, i-transceiver kunye ne-multiplexer ye-wavelength division ingasetyenziselwa ukuhambisa iziteshi ezimbini. yolwazi kwiperi enye yeentsinga zamehlo.
3.Tusebenzisa i-optical fiber transceiver
Kwintshayelelo, siyazi ukuba kukho iindidi ezininzi ezahlukeneyo ze-fiber optic transceivers, kodwa ekusetyenzisweni ngokwenene, ininzi yengqwalasela ihlawulwe kwiindidi ezihluke kakhulu kwii-fiber connectors: i-SC i-fiber optic transceiver kunye ne-ST i-fiber optic transceiver. .
Xa usebenzisa i-fiber optic transceivers ukudibanisa izixhobo ezahlukeneyo, kufuneka ubeke ingqalelo kumazibuko ahlukeneyo asetyenziswayo.
1. Ukudibanisa i-fiber optic transceiver kwi-100BASE-TX izixhobo (tshintsha, hub):
Qinisekisa ukuba ubude bentambo ephothiweyo abukho ngaphezu kweemitha ezili-100;
Xhuma isiphelo esinye sesibini esijijekileyo kwi-port ye-RJ-45 (i-Uplink port) ye-fiber optic transceiver, kunye nesinye isiphelo kwi-port ye-RJ-45 (i-port eqhelekileyo) ye-100BASE-TX isixhobo (ukutshintsha, i-hub).
2. Ukudibanisa i-fiber optic transceiver kwi-100BASE-TX izixhobo (ikhadi lenethiwekhi):
Qinisekisa ukuba ubude bentambo ephothiweyo abukho ngaphezu kweemitha ezili-100;
Xhuma isiphelo esinye sesibini esijijekileyo kwi-port ye-RJ-45 (100BASE-TX port) ye-fiber optic transceiver, kunye nesinye isiphelo kwi-RJ-45 port yekhadi lomnatha.
3. Ukudityaniswa kwe-fiber optic transceiver ukuya kwi-100BASE-FX:
Qinisekisa ukuba ubude befiber optical abugqithisi umgama obonelelwa sisixhobo;
Esinye isiphelo sefiber sixhunywe kwi-SC / ST ikhonkco ye-fiber optic transceiver, kwaye enye isiphelo ixhunyiwe kwi-SC / ST ikhonkco yesixhobo se-100BASE-FX.
Enye into efunekayo yongezwa kukuba abasebenzisi abaninzi bacinga xa besebenzisa i-fiber optic transceivers: ngokude nje ubude befiber bungaphakathi komgama ophezulu oxhaswa yi-fiber-mode-mode okanye i-multi-mode fiber, ingasetyenziswa ngokuqhelekileyo.Enyanisweni, oku kukuqonda okungalunganga.Oku kuqonda kuchanekile kuphela xa izixhobo ezidityanisiweyo zizixhobo ezigcweleyo.Xa kukho izixhobo ezinesiqingatha se-duplex, umgama wokuhanjiswa kwefiber optical ulinganiselwe.
4.Umgaqo wokuthengwa kwe-transceiver fiber optical
Njengesixhobo sothungelwano sothungelwano lwengingqi, i-optical fiber transceiver ngumsebenzi wayo ophambili yindlela yokuqhagamshela ngokungenamthungo idatha yamaqela amabini.Ngoko ke, kufuneka siqwalasele ukuhambelana kwayo kunye nokusingqongileyo, kunye nokuzinza kunye nokuthembeka kwemveliso yayo, ngokuchaseneyo: kungakhathaliseki ukuba ixabiso liphantsi kangakanani, alinakusetyenziswa!
1. Ngaba iyayixhasa i-duplex epheleleyo kunye ne-half duplex?
Ezinye iitshiphusi emarikeni zinokusebenzisa kuphela imeko-bume ephindwe kabini ngoku, kwaye ayinakuxhasa isiqingatha se-duplex.Ukuba ziqhagamshelwe kwezinye iibrand zokutshintsha (SWITCH) okanye ii-hubs (HUB), kwaye isebenzisa imowudi enesiqingatha se-duplex, ngokuqinisekileyo iya kubangela ungquzulwano olukhulu kunye nelahleko.
2. Ngaba uvavanye unxibelelwano kunye nezinye ii-transceivers zamehlo?
Okwangoku, kukho ngakumbi nangakumbi ii-fiber optic transceivers kwimarike.Ukuba ukuhambelana kwee-transceivers ze-brand ezahlukeneyo akuzange kuhlolwe kwangaphambili, kuya kubangela ukulahleka kwepakethi, ixesha elide lokuhambisa, kunye nesantya ngokukhawuleza kunye nokucotha.
3. Ngaba kukho isixhobo sokhuseleko sokuthintela ukulahleka kwepakethi?
Ukuze kuncitshiswe iindleko, abanye abavelisi basebenzisa indlela yoBhaliso yokuhanjiswa kwedatha xa besenza i-fiber optic transceivers.Ukungalungi okukhulu kwale ndlela kukungazinzi kunye nokulahleka kwepakethi ngexesha lokudluliselwa.Okona kulungileyo kukusebenzisa uyilo lwesekethe yesithinteli.Inokuphepha ngokukhuselekileyo ilahleko yepakethe yedatha.
4. Ukuziqhelanisa nobushushu?
I-fiber optic transceiver ngokwayo iya kuvelisa ubushushu obuphezulu xa isetyenziswa.Xa iqondo lobushushu liphezulu kakhulu (ngokubanzi alikho ngaphezu kwama-85°C), ngaba i-fiber optic transceiver isebenza ngokuqhelekileyo?Ngobuphi ubushushu obuphezulu obuvumelekileyo bokusebenza?Kwisixhobo esidinga ukusebenza ixesha elide, le nto ifanelekile ukuba siyiqwalasele!
5.Ingaba iyahambelana nomgangatho we-IEEE802.3u?
Ukuba i-transceiver ye-fiber optical idibana nomgangatho we-IEEE802.3, oko kukuthi, ukulibaziseka kunye nexesha lilawulwa kwi-46bit, ukuba lidlula i-46bit, lithetha ukuba umgama wokuhanjiswa kwe-fiber optical transceiver uya kufinyezwa!!
Ezintlanu, izisombululo zempazamo eziqhelekileyo kwii-transceivers zefiber optical
1. Isibane samandla asikhanyisi
ukusilela kombane
Ukukhanya kwe-2.Link akukhanyi
Impazamo ingaba ngolu hlobo lulandelayo:
(a) Jonga ukuba umgca wefiber optical uvuliwe
(b) Jonga ukuba ingaba ilahleko yomgca wefiber optical inkulu kakhulu, egqitha kuluhlu olufunyenweyo lwesixhobo
(c) Khangela ukuba i-fiber optical interface idityaniswe ngokuchanekileyo, i-TX yendawo idityaniswe ne-RX ekude, kwaye i-TX ekude idityaniswe ne-RX yendawo.
(d) Jonga ukuba isinxibelelanisi sosinga olubonakalayo sifakwe ngokufanelekileyo kujongano lwesixhobo, ingaba uhlobo lokutsiba luyahambelana nojongano lwesixhobo, ingaba uhlobo lwesixhobo luyahambelana na nosinga olubonakalayo, nokuba ubude bothumelo besixhobo buhambelana nomgama.
3. Ukukhanya kweSekethe yeSekethe akukhanyi
Impazamo ingaba ngolu hlobo lulandelayo:
(a) Jonga ukuba intambo yenethiwekhi ivuliwe na
(b) Jonga ukuba uhlobo loqhagamshelwano luyahambelana na: amakhadi enethiwekhi kunye neerotha kunye nezinye izixhobo zisebenzisa iintambo ezinqamlezayo, kwaye iiswitshi, iihabhu kunye nezinye izixhobo zisebenzisa iintambo ezithe ngqo.
(c) Jonga ukuba isantya sothumelo lwesixhobo siyahambelana na
4. Ilahleko enkulu yepakethe yenethiwekhi
Iintsilelo ezinokwenzeka zezi zilandelayo:
(1) Izibuko lombane le-transceiver kunye nojongano lwesixhobo senethiwekhi, okanye imowudi ephindwe kabini yojongano lwesixhobo kuzo zombini iziphelo azihambelani.
(2) Kukho ingxaki ngentambo ephothiweyo kunye nentloko ye-RJ-45, khangela
3
(4) Ingaba ilahleko yomgca wefiber optical idlula isixhobo esifumana uvakalelo.
5. Iziphelo ezimbini azikwazi ukunxibelelana emva kokuba i-fiber optic transceiver ixhunyiwe
(1).Uxhulumaniso lwefiber luguqulwa, kwaye ifayibha exhunywe kwi-TX kunye ne-RX iyatshintshwa
(2).I-interface ye-RJ45 kunye nesixhobo sangaphandle asixhunyiwe ngokuchanekileyo (nikela ingqalelo ngokuthe ngqo kunye ne-splicing).Ujongano lwefiber optical (i-ceramic ferrule) ayihambelani.Eli phutha libonakaliswa ngokukodwa kwi-transceiver ye-100M kunye nomsebenzi wokulawula i-photoelectric mutual mutual, njenge-APC ferrule.Xa i-pigtail ixhunyiwe kwi-transceiver ye-ferrule ye-PC, ayiyi kukwazi ukunxibelelana ngokuqhelekileyo, kodwa ayiyi kuba nefuthe ukuba idibaniswe ne-transceiver non-optical.