I-G652D vs G657A1 vs G657A2: Lezi zindwangu zonke zinemiklamo ehlukene yomongo, ama-radius agobile, kanye namazinga okunciphisa, alungiselelwe izimo ezahlukahlukene zenethiwekhi kanye nezidingo zokufakwa.

Imicu ye-g657a1 kanye ne-g657a2 inokuzwela okungcono kokugoba, okwenza ifaneleke kakhulu ezindaweni ezixineneyo kanye nokwakheka okuhlanganisiwe, ikakhulukazi ezindaweni zasedolobheni noma zangaphakathi.

Amazinga aphansi okunciphisa umsindo ochungechungeni lwe-G657 athuthukisa ukudluliswa kwesignali, okwenza kube lula izinhlelo zokusebenza zedatha ezisheshayo kanye namabanga amade ngokulahlekelwa okuncane.

Kuncike ekutholeni i-fiber efanele izidingo zakho - ukulinganisela izindleko nobunzima bokufaka kanye nezidingo zenethiwekhi yesikhathi esizayo. Uma uhlela ikusasa, ukutshala imali kuma-fiber athuthukile njenge-G657A1 noma i-G657A2 kungaletha inani lesikhathi eside.

Ngenxa yokuzwela kwefayibha, kanye nezizathu zokuxhumanisa, ifayibha ngokuvamile AYIKHISHWA noma ayifakeki nganoma iyiphi indlela ngaphandle kokunakekelwa okukhethekile kanye nemishini efanele, okwenza imikhuba emihle ngesikhathi sokufakwa ibe yinto ebalulekile.

Njengokujwayelekile, xhumana nochwepheshe bakho be-fiber optics bese uhlola izinombolo zokusebenza zangempela ukuze uqiniseke ukuthi i-fiber oyikhethile izokhonza amanethiwekhi akho manje nasesikhathini esizayo.

I-fiber yemodi eyodwa ikhiqizwa ngezinhlobo ezahlukene ngokusekelwe ezidingweni ezahlukahlukene kumanethiwekhi e-fiber optic. I-G652d iwukuhambisana kwayo okuphansi kwamanzi kanye nesixhumanisi sebanga elide. I-G657A1 kanye ne-G657A2 ziyi-fiber engazweli ukugoba, ezifaneleka kakhulu ezindaweni lapho izintambo zidinga ukusonteka noma ukujika ezindaweni eziminyene. I-G657A1 ingamelana nokugoba okumbalwa, kanti i-G657A2 ingalwa nama-curve anzima kakhulu - afanelekela ama-duct aminyene noma ama-span amafushane okwakha. Zonke lezi zinhlobo zihlangabezana nemininingwane ehlukene futhi zifanelana nokucushwa okuhlukile, ngakho ukuqonda izici zazo ezibalulekile kusiza ekukhetheni i-fiber efanele yomsebenzi ngamunye. Umzimba oyinhloko uhlanganisa imininingwane yawo, izinhlelo zokusebenza, kanye nezinzuzo zomhlaba wangempela ukusiza ngokukhetha okuhle.

Umehluko we-Core Fiber

Izintambo ze-fiber optic zingakhohlisa — ngenkathi zingase zibonakale zifana ngaphandle, umehluko ngaphakathi unquma konke kusukela esivinini kuya lapho ungazisebenzisa khona. Zonke ezintathu—i-G652D, i-G657A1, kanye ne-G657A2—zinobubanzi obufanayo obuyi-9μm core kanye nobubanzi obuyi-125μm cladding, kodwa kuyahluka lapho. Nakhu ukubuka ngokuningiliziwe ukuthi yini ezenza zihluke nokuthi kungani kubalulekile.

1. Ukuzwela Okugobile

Imicu ye-G652D inerediyasi yokugoba okungenani engu-30mm, ngakho ayithandi ukujika okubukhali. I-G657A1 yehla kanjalo iye ku-10mm, kanti i-G657A2 iyaqina ku-7.5mm. Lo mehluko mkhulu uma udonsa izintambo emigudwini egcwele i-jam, imigobo okunzima ukuyifinyelela, noma phakathi kwezigxobo zodonga.

Imiklamo engazweli ukugoba kumafayibha e-G657 ivula izindlela ezengeziwe zokufakwa. Ngakho-ke ungazidlula ezindaweni eziqinile ngaphandle kokukhathazeka ngokuwohloka kwesiginali. Ezakhiweni ezinezimo eziningi ezishintshashintshayo, i-G657A2 ikhanya ngempela.

Uma imicu igoba kakhulu, ukusebenza kwayo kuyawohloka. I-G652D idinga ukunakekelwa okubucayi, kodwa i-G657A1 kanye ne-G657A2 zigcina isignali engcono naphezu kweminyaka yokugoba. Ukukhetha isilinganiso sokugoba esifanele kukusindisa ezinkingeni eziqhubekayo.

2. Ukuncipha

Imicu ye-G652D ivame ukubonisa ukuncishiswa okuphansi kunezakwabo ze-G657. Ngekhilomitha ngalinye, i-G652D ingaba nokulahlekelwa okungu-0.35 dB ku-1310nm, kanti i-G657A1 kanye ne-A2 zingaphezulu kancane kodwa ngokuvamile zingaphansi kuka-0.4 dB/km.

Ukuncishiswa okuphansi kubalulekile ekusebenzeni isikhathi eside - njengokuxhumanisa amadolobha noma izikhungo zedatha. Ngezixhumanisi ezimfushane, ukuqhekeka okuncane ekuncishisweni kwe-G657 akugcini kangako. I-G657A1 ne-G657A2 ziyakhanya kakhulu ngokulahlekelwa okuncane kwe-splice (0.02-0.05 dB), kugcina izixhumanisi ziqinile futhi zilula.

Ukuncipha kwesisindo kunquma ibanga elingahamba ngalo izimpawu ngaphambi kokudinga ama-repeater. I-G652D igcina ukulahlekelwa kokuhamba isikhathi eside kuphansi, izinhlobo ze-G657 zimboza cishe zonke izidingo zangaphakathi kwesakhiwo ngaphandle kokuphazamiseka.

3. Ukuhlakazeka

I-G652D kanye ne-G657 fiber zinamazinga afanayo okusabalala, ngenxa yobukhulu bazo obuvamile. Ngezixhumanisi zesivinini esikhulu noma ezinde, i-G652D ivame ukuthandwa ngenxa yezakhiwo zayo zokusabalala ezilawuleka kalula.

Ekulungiselelweni kokuhamba ibanga elide, amanethiwekhi ngezinye izikhathi adinga isinxephezelo sokusabalala nge-G652D ukuze kugcinwe ukuqina kwedatha. Ekusebenzeni okufutshane noma okwakhiweni, lokhu akuyona inkinga enkulu, futhi imicu ye-G657 ilungile ngaphandle kokufakwa.

4. Umklamo Wemishini

Zonke izinhlobo ezintathu zemicu zenziwe ngendlela eqinile, kodwa i-G657A1 kanye ne-G657A2 ziqinisa ukuqina kancane kokufakwa okuqinile. I-G657A2, ikakhulukazi, ihlinzeka ngokugoba okuncane kanye nokudonsa okuqinile ngendlela ebabazekayo, yingakho iyindawo eyinhloko yenethiwekhi yedolobha eliminyene.

I-G652D ingahlala amashumi eminyaka uma iphathwa kahle, kodwa ayithetheleli kangako uma uyihlaba ekhoneni elibukhali. Imicu ye-G657 ihlala isikhathi eside emisebenzini yesitshalo enamandla noma yangaphandle, inciphisa ukugoqwa kwamaloli.

Njengoba izici eziyinhloko zomklamo—usayizi oyinhloko, ukumbozwa kanye nokwembozwa—izinhlobo ze-G657 zingase zifike ezindaweni i-G652D eyayingenakukwazi ukuya kuzo.

5. Iphrofayili Yezindleko

I-G652D iyindinganiso yokugijima ibanga elide futhi ngokuvamile ishibhile ngemitha. I-G657A1 kanye ne-G657A2 zingase zibize kancane ekuqaleni, kodwa ziyazikhokhela ngokufakwa okulula ezindaweni ezivalekile.

Uma ufaka izintambo esakhiweni esinamajika amaningi, i-G657 inganciphisa izindleko zabasebenzi futhi ivikele ukufakwa kwakho esikhathini esizayo. Uma kukhulunywa ngokuxhumeka okukhulu kwangaphandle, i-G652D isalokhu iyisinqumo esingabizi kakhulu.

Ngokuhamba kwesikhathi, ukukhetha i-fiber efanele kungaholela ezinhlakeni ezincane kanye nesikhathi sokuphumula esincishisiwe, okuqinisekisa lawo masenti engeziwe.

Izimo Zokusetshenziswa Ezifanele

Ukukhetha i-fiber efanele kakhulu kuyo yonke iphrojekthi kungaba nomthelela omkhulu esivinini, ukuthembeka, kanye nezindleko zenethiwekhi yakho. I-fiber ngayinye, i-G652D, i-G657A1 kanye ne-G657A2 inendawo enhle esebenza kahle kakhulu kuyo.

Amanethiwekhi Okuhamba Isikhathi Eside

Imicu ye-G652D ifaneleka kumanethiwekhi okuhambisa isikhathi eside. Ukuncishiswa kwayo okuphansi kanye nokutholakala kwayo okubanzi kuyenza ibe ukukhetha okuzenzakalelayo kwezixhumanisi zomgogodla ezithatha amakhulu noma ngisho nezinkulungwane zamakhilomitha. Iphatha amakhilomitha afinyelela ku-3000 ngejubane le-10 Gbit/s, kanye namakhilomitha afinyelela ku-80 ngejubane le-40 Gbit/s, ngakho-ke iyisisekelo sezakhiwo ezinkulu zezokuxhumana.

I-G657A1 kanye ne-G657A2 azivamile emigqeni emide. Inzuzo yazo eyinhloko ukungazweli ekugobeni, hhayi ibanga. Noma kunjalo, emizileni enamajika amaningi aqinile noma amakhona anzima, i-radius egobile engu-7.5mm ye-G657A2 ingasiza ekuvimbeleni ukulahleka kwesiginali. Nokho, emizileni eminingi emide, i-G652D yiyona okufanele ibe nayo, ngaphandle kokuthi umzila udlula ezindaweni zasemadolobheni eziminyene.

Ukukhetha i-fiber efanele kuhilela ukucabangela i-bandwidth, ukuncishiswa kanye ne-geometry yendlela. Ekugijimeni okuyisicaba nokuvulekile, i-G652D iphumelela ngezindleko kanye nekhwalithi yesiginali. Emadolobheni, lapho izintambo kufanele zijike futhi ziphenduke, i-G657A2 ingaba yinto efanelekile ekufakweni okulula.

I-Fiber-to-the-Home

I-G657A1 kanye ne-G657A2 manje seziyizindinganiso ezisetshenziswa kakhulu ekhaya. Idizayini yazo engazweli ukugoba ivumela abafaki ukuthi bangene ezikhaleni ezinzima ukufinyelela kuzo, emaphethelweni aklwebhayo, nasemakhoneni ngaphandle kokulahlekelwa yisignali. Lokhu kuzenza zilungele izindawo zokuhlala zasemadolobheni nasezindaweni zasemadolobheni lapho ukufakwa okuhlanzekile, okungabonakali kubalulekile.

Balindele isevisi esheshayo nethembekile emakhaya abo. Imicu engazweli ukugoba igcina ubuqotho besignali ngisho noma ikhebula ligoba ngemuva kwezindonga noma ngaphansi kwephansi. Lokhu kuholela ekuncipheni kwezingcingo zesevisi futhi kuthokozise amakhasimende.

Abafaki bayayithanda i-G657A1 kanye ne-G657A2 ngoba inciphisa isikhathi sokufaka kanye nokukhungatheka. Izitayela zibonise ukuthi amanethiwekhi amaningi akhetha lawa ma-fiber okwakha okusha kanye nokuthuthukiswa.

Izikhungo Zedatha

Izikhungo zedatha zidinga i-bandwidth ephezulu, ukujika okuqinile, kanye nama-rack aminyene. Imicu ye-G652D yenze kahle kakhulu endaweni ethile, ayisebenzi kahle. Njengoba ama-rack esondela futhi imizila iqina, imboni ishintshela ku-G657A1 kanye ne-G657A2 ngenxa yezakhiwo zayo zokungazweli ukugoba. Lokhu kuguquka kuvumele izikhungo zedatha ukuthi zivale izintambo eziningi emathileyi amancane ngaphandle kokukhathazeka ngokuwohloka kwesiginali.

Imicu engazweli ukugoba yenza ukunyakaza kanye nezinguquko zibe lula futhi. Izikhungo zedatha zingakhula noma ziphinde zixhume ucingo ngokushesha, ngoba izintambo zingavunguza futhi ziphumule ngaphandle kokulahlekelwa ukusebenza.

Izintambo Zangaphakathi

Ngaphakathi, imicu ye-G652D isebenza kahle ekuthuthweni okufushane. Uma indawo ilinganiselwe—njengangaphakathi kwezindonga, phansi, noma emakamelweni kagesi agcwele i-jam—i-G657A1 kanye ne-G657A2 ziyasebenza kakhulu. Irediyasi yazo encane yokugoba ibangela ukuwohloka okuncane uma umuntu egoba ikhebula ngephutha ngendlela engafanele.

Ngakho-ke ngempela, kuyindaba yokwakheka kwesakhiwo, ukunyakaza okulindelekile, kanye nendawo yokusebenza kwekhebula enengqondo.

I-G657A1 kanye ne-G657A2 zisiza izakhiwo ezizohlala isikhathi esizayo njengoba amadivayisi amaningi exhunywa futhi edinga isivinini esiphezulu.

Ukufakwa Nokunamathisela

Ukufakwa kanye nokuxhumanisa okwenziwe kahle kubalulekile ekusebenzeni kahle kwefayibha. Ukufakwa okucatshangelwe kahle, ukuxhumanisa okuhlakaniphile kanye namathuluzi afanele kuqinisekisa ukuthi ukuxhumana kwakho kuqinile futhi kunokwethenjelwa, kungakhathaliseki ukuthi usebenza ne-G652D, G657A1 noma i-G657A2. Uhlobo ngalunye lwefayibha lusebenza ngendlela ehlukile kancane, ikakhulukazi ezindaweni eziqinile nangaphansi kokucindezeleka.

Imikhuba Yokuphatha

Imicu ye-G657A1 ne-G657A2 engazweli ukugoba ingamelana nokugoba okuqinile kakhulu kune-G652D. I-G657A1 inobubanzi obugoba obungu-10mm, kuyilapho i-G657A2 yehla iye ku-7.5mm. Lokhu kuzivumela ukuthi zihlale kahle emakhabetheni, kuma-rack, nasezindaweni lapho isikhala siphezulu khona. Naphezu kwalokhu kuguquguquka, ukuphathwa kabi noma ukugoba okubukhali okungaphezu komkhawulo wazo kusengaphula imicu noma kulimaze ukusebenza kwayo.

Amakhebula kufanele ahlale kuma-reel awo aze asetshenziswe, agcinwe kude nomswakama nothuli. Uma uwathutha, ungawawisi ama-reel noma inqwaba phezulu kakhulu. Isenzo esiyisisekelo, kodwa avimbela ukuqhekeka okuncane noma amajakethi achotshoziwe abhalisa njengezimpawu ezibuthakathaka ngokuhamba kwesikhathi. Ekugcineni, ukuphathwa kabi kubhubhisa amakhebula ngokushesha, okwandisa izindleko kanye nokungasebenzi kahle ngenxa yokushintshwa.

Ochwepheshe akufanele bakhohlwe amagilavu, iziphetho zefayibha ezihlanzekile, kanye nemishini yokudonsa efanele, engenakucindezeleka. Ukunakekelwa okuncane endaweni kugwema umhlaba wokukhathazeka kamuva.

Ukuhambisana Kokunamathisela

I-fusion splicing iyindlela engcono kakhulu ye-G652D, G657A1 kanye ne-G657A2. Lokhu kunikeza i-splice eqinile, elahlekelwa kancane. Ku-G657A1 kanye ne-G657A2, ukulahlekelwa kwe-splice cishe ku-0.02-0.05 dB—cishe akubonakali. I-G652D iphakeme kancane, ku-0.05-0.1 dB, kodwa lokho kusalungile kumalungiselelo amaningi. I-splice loss spec efanele igcina isignali iqinile futhi izinzile.

Ukuxuba izinhlobo zefayibha kuyinto evamile, ikakhulukazi ukuhlanganisa imigqa ye-G657A1 noma i-G657A2 emisha emigqeni ye-G652D endala. Zihlangana kahle ndawonye, ​​kodwa kuyazuzisa ukusebenzisa ama-cleaver anembe kakhulu kanye nama-fusion splicers. Abanye ochwepheshe bangena enkingeni yokuhlanganisa izinhlobo ezahlukene ngenxa yokungafani okuncane kosayizi noma ukumbozwa kwengaphakathi. Ukulungiselela okucatshangelwe kahle nokusebenzisa amathuluzi alinganisiwe kubhekana neningi lalezi zinkinga.

Izinselele Zokufaka Nezixazululo

Ikhebula elisebenza ezindaweni eziminyene noma emakhoneni abukhali liqhuba i-G652D ngale kwemingcele yayo yokugoba, okubangela ukuphuka noma ukulahlekelwa okukhulu. I-G657A1 kanye ne-G657A2 zenzelwe le misebenzi, okwenza izindlela eziyinselele zikwazi ukwenzeka ngaphandle kokulahlekelwa okukhulu kwesiginali, kuphela i-0.1-0.2 dB ngokugoba okuqinile.

Amaphrojekthi e-FUBAR othuli, umswakama kanye nokugcinwa kabi. Ukuhlolwa okulula—ukukhulula izixhumi, ama-reel omile, ukugoba okuthambile—kwenza izintambo zihambe ibanga elide futhi amanethiwekhi ahlale eqinile.

Izixhumi kanye nezinketho zemishini

Khetha izixhumi ezifanelekela i-fiber yakho, ikakhulukazi i-G657A2 edinga izingxenye ezibekezelela ukugoba kakhudlwana. Ama-splicers nama-cleaver e-premium fusion asebenza kahle kuzo zontathu, nokho, ukusebenzisa imishini eklanyelwe ububanzi be-fiber yakho kuzohlala kuveza ama-splices amahle kakhulu.

Imiphumela Yokuklama Inethiwekhi

Ukukhetha phakathi kwemiklamo ye-G652D, G657A1, kanye ne-G657A2 kuchaza ukubukeka kanye nendlela esebenza ngayo inethiwekhi. Uhlobo lwefayibha lungathinta lapho ubeka khona izintambo, ukhethe ihadiwe kanye nokuthuthukiswa kweshejuli. Ifayibha ngayinye inamandla ayo avela ezindaweni ezahlukene—izindawo eziqinile, amasimu okuphesha, noma amanethiwekhi okuhamba isikhathi eside. Ingxube efanele ilinganisa intengo, ukusebenza kanye nokubaluleka kokuhlala phambili ekushintsheni kobuchwepheshe okusheshayo.

Ukwabiwa Kwesabelomali

Imali ishukumisa izinketho eziningi zenethiwekhi. I-G652D fiber ivame ukushibhile ekuqaleni, okwenza kube kuhle kakhulu ekwakhiweni okulinganiselwe kwesabelomali. I-G657A1 kanye ne-G657A2 zinganciphisa izindleko ezifihliwe. Isibonelo, i-G657 fibers igoba kakhulu—kusuka ku-A1 kuya ku-10mm, kusuka ku-A2 kuya ku-7.5mm—ngakho-ke ungadla isikhala esincane futhi udinge amathreyi ekhebula ambalwa ezindaweni ezincane zedatha noma kumakhabethe amancane. Lokho konga izindleko zehadiwe kanye nezabasebenzi.

Intengo yeprimiyamu yama-G657 iyakhokhela uma udinga ukugoba okuningi noma usebenza emasimini aminyene. Kuwukuhlakanipha ukucabangela inzuzo yokukhiqiza uma kuqhathaniswa nezindleko zeprimiyamu. Uma inethiwekhi yakho izothuthwa noma ihlelwe kabusha njalo, ukukhetha i-G657 kungahumusha ekuncipheni kokugcinwa kanye nezinkinga zesiginali ezincishisiwe. Njalo nciphisa imali oyisebenzisile ngezidingo zephrojekthi yakho, hhayi intengo yesitikha kuphela. Cabanga ngale kwezindleko zokuthenga kuqala, ekulungiseni, isikhathi sokungasebenzi noma izingxenye ezengeziwe.

Ukuqinisekisa Ikusasa

Amanethiwekhi kumele ahambisane nobuchwepheshe obusha kanye nokwanda kwenani ledatha. Imicu ye-G657A1 kanye ne-A2 iyasiza kulokhu njengoba isebenza kahle ezindaweni ezixineneyo, izilungiselela imishini yobuningi obuphezulu kanye namadivayisi esizukulwane esilandelayo. Njengoba amadolobha anda futhi izakhiwo zigcwala izintambo eziningi, i-radius encane egobile yemicu ye-G657 yenza kube lula ukuthuthukiswa kanye nezinguquko ngaphandle kokukhipha imigqa emidala.

Ukunamathela ku-G652D kunciphisa lokho ongakufaka ezindaweni eziqinile — into ebaluleke kakhulu minyaka yonke. Izitayela ze-Telecom zikhomba ekuhleleni okuguquguqukayo kwe-modular. Ukukhetha i-G657A1 noma i-A2 ngesikhathi sokuklama namuhla kusho ubuhlungu obuncane endleleni uma ufuna ukwandisa isivinini noma umthamo. Kufana nomnyango ovulekile wezobuchwepheshe obusha kanye nokusakazwa kwedatha okukhulu.

Ubuqotho Besignali

Amandla esignali alenga ekukhetheni kwakho ifayibha. Ukugoba ifayibha kakhulu kunganciphisa isignali, kubangele ukuwa namaphutha. Imicu ye-G657 iyayixosha lokhu ngempumelelo kakhulu kune-G652D, igcina amandla esignali ngisho nasezindaweni ezigobile. Lokhu kubalulekile kumanethiwekhi athwala idatha eningi ngokushesha okukhulu, njengasezikhungweni zedatha.

Zombili izintambo ze-G652 kanye ne-G657 zinezincazelo ezifanayo kakhulu zezinto ezifana nokusabalala kanye nobude be-wavelength, ngakho-ke ukushintsha akunciphisi ukusebenza okuphelele. Ekusetshenzisweni okusebenzayo, ukubekezelela ukugoba kwe-G657 kubusa kakhulu noma kuphi lapho izintambo zidlula ezindaweni ezivalekile. Ukuze ugcine izimpawu zihlanzekile, sebenzisa ukugoba okuthambile, gwema izintambo ezicijile, futhi unamathele eziqondisweni zomenzi wezintambo ezithile.

Ngale Kwezindinganiso

Izintambo ze-fiber optic zingase zibonakale zifana, kodwa indaba yazo ijule kakhulu kunalokho okubonayo kumashidi e-spec. Ukusetshenziswa komhlaba wangempela, izici ezincane kakhulu zobungcweti bazo, kanye nalokho okwenzekayo uma seziphumile emgqeni wokuhlanganisa—lokhu kuchaza isimo sazo emdlalweni. Ukwazi lokhu kuhlukanisa kulinganisa ubuhlungu obuncane kanye nokukhetha okuhlakaniphile kwendilinga.

Ama-Nuances Okukhiqiza

Indlela abakhiqiza ngayo i-G652D fiber iyayihlukanisa ne-G657A1 noma i-A2. I-G652D fibers iyinqubo elula ebilokhu ithuthukiswa iminyaka eminingi, yingakho itholakala yonke indawo ku-inthanethi. I-ITU-T ihlukanisa i-G652 ibe yizine: A, B, C, D. I-G652D iphawuleka ngokuphakama kwayo kwamanzi aphansi kanye nokusetshenziswa okuthuthukisiwe kwe-wavelength ngenxa yokulungiswa kwezinto kanye nenqubo.

I-G657A1 kanye ne-A2 zidinga ukunakwa okwengeziwe ekukhiqizweni. Ingaphakathi lazo lengilazi lenziwe ngezinto eziqinisa ukugoba. Yingakho i-G657A2 ingagoba ibe ngu-7.5mm kuphela, kuyilapho i-G657A1 icindezela ibe ngu-10mm. Ukukhetha izinto kulokhu kubaluleke kakhulu. Uma ukugoba kuqinile, kulapho ingozi yokugoba iba nkulu khona, ngakho-ke ubuchwepheshe beglasi nokugqoka obusezingeni eliphezulu kusiza ekugcineni ukulahleka okuphansi.

Ukusebenza Kwangempela

Izinombolo zelebhu zisungula imingcele, kodwa ukusetshenziswa kwensimu kuletha izimanga. I-G652D, enokuncipha kwayo okuphansi (ngaphansi kuka-0.4dB/km) iyindinganiso yegolide yokugijima isikhathi eside. Uzoyithola kumanethiwekhi omgogodla, lapho izindlela eziqondile = ukugxuma okumbalwa. Nokho, i-G657A1 ne-A2 zikhanya emigwaqweni yedolobha noma ezakhiweni eziminyene. Irediyasi yazo encane yokugoba—ingu-7.5mm kuphela ye-A2—ibavumela ukuthi badlule ezindaweni ezixineneyo ngokulahlekelwa okuncane kwesiginali.

Ucwaningo olwenziwe endaweni ephakeme lubonise ukuthi i-G657A2 iphatha amakhona abukhali kanye nemigudu eqinile kalula, kanti i-G652D yayidinga ukucophelela okwengeziwe kanye nokuhleleka kokuqondisa. Ukuhlanganisa i-G652D kanye ne-G657A1) Lindela ukwanda okuncane kokulahlekelwa kwe-splice—cishe kusuka ku-0.05 kuya ku-0.1dB, kodwa ngokuvamile ukuhweba okulungile kokuguquguquka.

Ukuhlolwa kwensimu kubalulekile. Ukugoba kwangempela, ama-splice kanye nokudonsa kuveza imingcele enganakwa emalabhorethri. Bheka ukuncishiswa, i-PMD, ukulahleka kwe-splice kanye ne-radius encane yokugoba ngaphambi kokukhetha i-fiber. Ukubalwa kokuhambisana: I-G657A ifana ne-G652D, okwenza ukuthuthukiswa kube lula.

Ukwenza Ukukhetha Okufanele

Ukukhetha izintambo zefayibha ze-G.652.D, G.657.A1, kanye ne-G.657.A2 kudinga okungaphezu kokubheka nje imininingwane. Kumayelana nokuqonda amandla nokubekwa kohlobo ngalunye. Wonke amaphrojekthi awafani — ukukhetha okufanele ethini noma egaloni kungukongela isikhathi nemali, futhi kugcine izinto zihamba kahle!

Uhlu lokuhlola oluqondile lungasisiza. Okokuqala, qinisekisa irediyasi encane yokugoba. I-G.652.D idinga ukugoba okukhulu, cishe ama-30 mm, ngakho-ke isebenza kangcono ezindaweni ezineziphendulo ezincane kanye nokugijima okude. I-G.657.A1 ingalungisa ukugoba okuqinile kuma-10 mm, kuyilapho i-G.657.A2 iqhubekela phambili ku-7.5 mm. Kulezo zindawo okunzima ukufinyelela kuzo — ukuxhuma izintambo ezindongeni noma ngaphansi kwezitezi — i-G.657.A2 iyiqhawe elingenakuphikiswa. Leyo jika eliqinile alinazindleko. I-G.657.A1 kanye ne-G.657.A2 ziyancipha kakhulu uma zikude, ngakho azilungele ukuxhumana okunqamula amazwekazi.

Cabanga ngamamayela. Emizileni emide, njengezintambo ezisuka edolobheni ziye edolobheni, i-G.652.D isebenza kahle kakhulu njengoba igcina ukulahlekelwa okuphansi. Emisebenzini yasekhaya/ehhovisi, ikakhulukazi i-FTTH, i-G.657.A1 noma i-A2 ifanelana kangcono. Azinandaba namakhona aqinile, okuwusizo olukhulu ezindaweni ezincane.

Usayizi we-core nawo uyabalwa. I-G.652.D inomgogodla omkhulu, ngakho-ke kungcono uma ubhekene nemishini yakudala noma uthuthukisa inethiwekhi yakudala. I-G.657.A1 kanye ne-A2 ziyi-cores ezincane, okuyinto enhle kakhulu ekwakheni okusha.

Ukulahlekelwa yi-splice kungenye into okufanele uyibheke. I-G.652.D ngokuvamile izoba nokulahlekelwa okuncane kokujoyina (0.02-0.05 dB), kanti i-G.657.A1 kanye ne-A2 ziphakeme kancane (0.05-0.1 dB). Ukuncipha kwe-1310 nm cishe kuyafana kuzo zonke ezintathu—0.36 dB/km—ngakho lokho akunciphisi kakhulu izikali.

Xhumana nochwepheshe ngaphambi kokukhetha. Bangaphequlula isayithi lakho, babone ukuthi yini oyifunayo, futhi bancome into efanele. Bala isabelomali sakho. I-G.657.A1 kanye ne-A2 zivame ukubiza kakhulu, ikakhulukazi uma udinga ikhebula eliningi.

Ukuze indaba ende ibe mfushane, hlanganisa i-fiber ukuze ihambisane nomsebenzi, cabanga ngegumbi nendawo yokuphefumula, ubone ukuthi iyahambisana yini nobuchwepheshe bakho, bese uthintana uma kudingeka.

Isiphetho

I-G652D ilungele izindlela ezinde neziqondile. I-G657A1 igoba kakhulu, ngakho-ke isebenza kahle ezindaweni eziqinile kodwa isasebenza ibanga elide. I-G657A2 igoba kakhulu futhi ifanelana kahle nezindawo ezijikile okunzima ukuzifinyelela, ezibukhali, njengamakhona noma amapayipi amancane. Zonke zinenhlanganisela yazo yokuqina kanye nokusetshenziswa. Ayikho engcono kakhulu kuwo wonke umsebenzi, kodwa ngayinye ikhanya endaweni efanele. Uke wayibona ezindabeni zentuthuko yasemadolobheni, emafulethini amadala noma ezikhungweni zebhizinisi ezimatasa—intambo ngayinye igcina ukuxhumana kwakho kuchuma. Unesifiso sokwenza amanethiwekhi ahlakaniphile, noma ukukhetha i-fiber efanele iphrojekthi yakho ezayo? Buza, wabelane ngolwazi, futhi usize abanye ngemfundo yabo.

imibuzo ejwayelekile ukubuzwa

Uyini umehluko omkhulu phakathi kwemicu ye-optical ye-G652D, G657A1, kanye ne-G657A2?

I-G652D iyi-fiber ejwayelekile yemodi eyodwa esezingeni eliphansi. I-G657A1 kanye ne-G657A2 ziyi-fiber engazweli ukugoba, kanti i-G657A2 inokusebenza okugoba okuqinile kakhulu ukusekela izikhala eziqinile.

Yiluphi uhlobo lwefayibha olufanele ukugoba okuqinile noma ukusetshenziswa endlini?

I-G657A2 ilungele ukugoba okuqinile kanye nezikhala zangaphakathi. Ukungazweli kwayo kokugoba okuphezulu kugwema ukulahleka kwesiginali ezindaweni eziqinile.

Ingabe imicu ye-G652D kanye ne-G657A ingahlanganiswa ndawonye?

Impela, i-G652D iyahambisana ne-splice ne-G657A1 noma i-A2 fibers. Ukuhlanganisa ngokucophelela kuyadingeka ukuze kuncishiswe ukuncishiswa.

Ingabe kukhona umehluko wezindleko phakathi kwe-G652D, G657A1, kanye ne-G657A2?

Ngempela, imicu ye-G657A1 ne-A2 ivame ukubiza kakhulu kune-G652D. I-premium ibangelwa ukusebenza kwayo okuhle kakhulu kokugoba.

Yini okufanele ngiyicabangele lapho ngikhetha phakathi kwalezi zindwangu zokuklama inethiwekhi?

Cabanga ngendawo yokufaka, i-gond radius, kanye nokuthuthukiswa kwesikhathi esizayo. I-G657A2 ilungele lezo zakhiwo ezixinene kakhulu noma eziyinkimbinkimbi futhi i-G652D isebenza kahle kakhulu ekugijimeni okuqondile, kwangaphandle.

Ingabe i-G657A1 kanye ne-G657A2 zisekela amazinga edatha afanayo njenge-G652D?

Yebo, konke kusekela amazinga edatha afanayo. Umehluko usekusebenzeni kokugoba, hhayi ekudluliseni amandla.

Ingabe i-G652D isafaneleka kumanethiwekhi e-fiber yesimanje?

Yebo, i-G652D isalungele izimo eziningi, kufaka phakathi amanethiwekhi angaphandle asebenza isikhathi eside. Imicu engazweli ukugoba njenge-G657A2 ingcono kakhulu ekulungiselelweni kwesimanje okulinganiselwe isikhala.