I-OTDR, okanye i-Optical Time Domain Reflectometer, sisixhobo esibalulekileyo sokufumana iimpazamo, ukugoba, okanye ukuqhekeka kwiintambo ze-fiber optic. Sisixhobo esilula, eneneni, esenziwe yi-laser ethumela ukukhanya kwintambo. Emva koko, ivavanya indlela ukukhanya okubonakalisa ngayo, ibonise apho kukho iingxaki khona.

Ngenxa yoko, ii-OTDR zisetyenziswa kakhulu ziinkampani ze-US Cable kunye namaziko edatha ukuqinisekisa ukuba imigca ihlala icacile kwaye ikhawuleza. Esi sixhobo sincinci sithwalwa lula kwibhegi yekhompyutha. Sisebenza kakuhle kwiindawo ezinzima, ezifana neendawo ezixineneyo zedolophu kunye neendawo zemizi-mveliso ezomileyo.

Iingcali ezininzi kwizixeko ezifana neNew York zisebenzisa ii-OTDRs yonke imihla ukwandisa isantya sokulungisa nokunciphisa ixesha lokungasebenzi. Nokuba kukuseka iinethiwekhi ezintsha okanye ukulungisa imigca ekhoyo, ii-OTDRs zidlala indima ebalulekileyo ekugcineni ukuqina nokuthembeka kweenkqubo zefayibha.

Yintoni i-OTDR?

I-OTDR, isifinyezo se-Optical Time Domain Reflectometer, sisixhobo esibalulekileyo sokuvavanya nokusombulula iingxaki zeentambo ze-fiber optic. Sisixhobo esiluncedo sokuchonga iimpazamo, ukugoba, kunye nokuqhekeka kumgca we-fiber. Ikwenza oku ngokuthumela ii-pulses zokukhanya kwi-fiber kunye nokulinganisa indlela ukukhanya okubonakalisa ngayo umva.

Kwiinjineli zenethiwekhi ezilawula iinethiwekhi ezinkulu zesixeko saseMetro okanye iintambo zeMetro ezintsonkothileyo, ezihamba ixesha elide okanye zehlabathi, ii-OTDR zibalulekile ekuqinisekiseni ixesha lokusebenza kunye nokusebenza kakuhle.

1. Iimpendulo zokukhanya: Ingcinga esisiseko

Njengoko i-OTDR ithumela ukukhanya okufutshane kwintambo ye-fiber optic, ukubetha kwamandla kudala ukubonakalisa. Inxalenye yokukhanya isasazeka ibuyela kwisixhobo. Sibhekisa kule meko njengokusasazeka emva.

Uza kubona i-echo elula kwisignali. Emva koko, i-boom, ukukhanya okubonakalayo—okubizwa ngokuba yi-Fresnel reflection—kubonakala ngalo lonke ixesha kukho i-connector okanye i-hard edge. Ngokujonga ezi echoes, ii-OTDR ziyakwazi ukubona ii-splices, ii-connectors, kwanokuqhekeka kweenwele.

Indlela ukukhanya okutsha ngayo nokunyamalala kwayo ibonisa indlela intambo ecocekileyo ngayo okanye ukuba ilahlekile. Ngaphezu koko, ivumela iingcali ukuba zazi ngokupheleleyo umgangatho wefayibha yazo ngokubona amanani okwenyani, anokulinganiswa.

2. Ngaphakathi kwi-OTDR: Iinxalenye eziphambili

I-OTDR idla ngokusebenzisa i-laser okanye i-LED njengomthombo wokukhanya. Iquka isixhobo sokubona ii-echoes kunye neprosesa eguqula ezo zifundo zibe yindlela ebonakalayo.

Iza kuba nesikrini sokubonisa umkhondo, kunye neeadaptha ezilula zokuqhagamshela iifomathi ezahlukeneyo zekhebula. Izihlanganisi ezisemgangathweni kunye nee-interfaces zenza kube lula ukugcina uvavanyo oluchanekileyo nolukhawulezayo.

3. Ii-OTDR "Zibona" ​​Njani I-Fiber?

I-OTDR sisixhobo esibaluleke kakhulu kwingcali yefayibha ngenxa yokukwazi kwayo "ukubona" ​​okwenzekayo ngaphakathi kwintambo yefayibha. Oku kuyivumela ukuba ichonge iingxaki ezikumgama ongangeenyawo.

Ukuba ifayibha inee-microbends okanye ungcoliseko, umkhondo uphuma ii-dips okanye ii-spikes. Ukuma kunye nexesha lokukhanya okuphumayo kubonisa ngqo apho ifayibha yabo yaphukileyo kunye noko kwaphukileyo.

4. Kutheni ii-OTDRs zibalulekile?

Ii-OTDR zenza kube lula ukubona iimpazamo ngokukhawuleza kwaye zigcine inethiwekhi ephilileyo. Zenza kube lula ukujonga rhoqo nokuthintela iingxaki kwaye zinceda ukuthintela iingxaki ezincinci ekubeni zibe ziingxaki ezinkulu nezibiza kakhulu.

Ifayibha ekhawulezayo nethembekileyo ithetha ukuba abantu abaninzi banokuhlala bexhumene kwaye iindleko ezibizayo, ukuphazamiseka kuyancitshiswa.

Ukukwazi ukuLandela ii-OTDR kunye neeSetingi

Ukuqonda imikhondo ye-OTDR yingcambu yovavanyo oluhle lwefayibha. Njengengxelo ebonakalayo yokukhanya okuhamba kwifayibha, umkhondo ngamnye uya kubonisa yonke into eyenzekayo—entle okanye embi—endleleni yayo. Ezo mikhondo zingaphezulu nje kwemigca neencopho—umkhondo ngamnye ngumfanekiso wento eyenzekayo ngaphakathi kwintambo.

Ukuba itolikwe ngokuchanekileyo, awuboni kuphela ii-splices kunye nezihlanganisi, kodwa nezinye iingxaki ezinzima ezifana neziporho okanye iindawo ezifileyo. Ukukhetha useto olufanelekileyo kubaluleke kakhulu. Ububanzi be-pulse okanye i-index yokungafani kwe-refraction kunokukhokelela ekufundweni okungachanekanga.

Lo mahluko ubalulekile xa ukhangela amanani okwenyani hayi uqikelelo! Okukhona uhlalutyo lwakho lomkhondo lungcono, kokukhona uya kuba mbalwa izinto ezimangalisayo. Ibonelela ngonxibelelwano oluthembekileyo ngakumbi, nokuba ukwintsimi eneentambo zefayibha ezinde okanye iikhonkco zeLAN ezimfutshane, apho iziganeko ezingabonakaliyo zinokwenza umahluko ngokwenene.

Ukufunda utyikityo lweFiber

Ezo ncochoyi kunye namathambeka esiwabonayo kumkhondo azizo nje iipateni ezintle—zimela iziganeko zokwenyani. I-spike ende ibonisa isiganeko esibonakalisayo, njengesixhumi okanye ukuqhekeka kwefayibha. Ukuhla okuthambileyo okanye ukunyuka kunokutolikwa njengee-splices, ii-bends, njl.njl.

Xa ubona ithambeka elithe tyaba, oku kubonisa ukuba ifayibha ikwimeko entle kwaye ithambeka elithe tyaba libonisa ukulahleka okanye uxinzelelo. Ukuchonga ezi mpawu kukuvumela ukuba ulungise iingxaki ngokukhawuleza, ezifana nefayibha eqhekeziweyo okanye i-splice engalunganga. Xa usazi ukuba yintoni eqhelekileyo kwikhebula lakho, kuya kuba lula ukubona ingxaki ngaphambi kokuba ibe yingxaki.

Ukuchonga Iziganeko zeFiber eziPhambili

Ukuchonga iMicimbi yeFiber ePhambili kuxhomekeke ekuchongeni imo kunye nendawo yazo kumgca wexesha. Ngamnye utshintsha indlela imiqondiso esasazeka ngayo, ichaphazela ukusebenza kwekhonkco kunye nokungaguquguquki.

Ixesha elichithwayo ukulandelela nokubhala phantsi umcimbi ngamnye lifanelekile xa kufika ixesha lokwenza ukulungiswa okanye ukuphuculwa. Iziganeko ezibalulekileyo ekufuneka uzijonge ziquka:

• Iziqhagamsheli

• Iziqwenga

• Iikhefu

• Ukugoba

• Iziporho

• Iindawo ezifileyo

Ukhetho lweeParamitha zoVavanyo oluLungileyo

Ukukhetha ububanzi be-pulse, ubude bomda, kunye ne-index echanekileyo kubalulekile ekufumaneni iziphumo ezicacileyo neziyinyani. I-pulse emfutshane ithatha iziganeko ezincinci ngemijikelo emifutshane, ngelixa i-pulse ende isebenza kwi-long-haul ngaphandle kokulahlekelwa ziinkcukacha ezibalulekileyo.

Tshintsha iiparameter ngokusekelwe kudidi lwesicelo kunye nefayibha. Izihlanganisi ezisemgangathweni ophezulu, ezingasoloko zifumaneka kwiintambo zokuqalisa, ziyimfuneko. Soloko uvavanya zombini iindlela ukuze ufumane inyaniso epheleleyo.

Ukuze kube nzima ukufumana ilahleko, lungisa indlela ocinga ngayo ukuze ungaphuthelwa yilahleko.

Ububanzi bePulse kunye nobude beWavelength

Ububanzi bepulse buchaphazela umkhondo wakho, kwaye bunokuchaphazela oko ukubonayo. Iipulse ezincinci zibamba iinkcukacha ezintle kodwa zinokuphoswa nzulu kwikhebula, ngelixa iipulse ezibanzi zihamba kude kodwa zifiphale iziganeko ezikufutshane.

Ubude beWavelength—Oku kubalulekile—i-850nm kunye ne-1300nm kwi-multimode, i-1310nm kunye ne-1550nm kwi-single-mode. Isigqibo ngasinye sokuseta sidlala indima ekufumaneni iindawo zoxinzelelo okanye iingxaki kunye nokuqinisekisa ukuba idatha yakho ichanekile.

Isalathiso sokuGqibela kunye nomyinge

Isalathisi se-refraction, okanye i-n-value, sisantya sokukhanya kwiglasi. Ukuba awuyibeki kakuhle, umkhondo wakho awuyi kubonisa ubude bokwenyani bentambo.

Ukulinganisela kunciphisa ingxolo kwaye kudala umkhondo ocacileyo. Fumana ezi setingi zifowunelwe, kwaye uya kuba nokholo kwiziphumo zakho—ingakumbi xa ulinganisa ilahleko okanye ukubonakaliswa okungaqhelekanga kokubuya.

Ii-OTDR ezisetyenziswa kwihlabathi lokwenyani

Iinethiwekhi ze-fiber optic kulo lonke elaseMelika Zibalulekile ekugcineni izibhedlele zethu kunye namaziko edatha evulekile kwaye eqhagamshelwe. Ii-OTDR, okanye ii-reflectometers ze-optical time-domain, njengoko zaziwa njalo, zidlala indima engabonakaliyo kuzo zonke ezi ndawo. Zinika abasebenzi umbono ochanekileyo wento eyenzekayo ngaphakathi kwiintambo.

Njengoko iinethiwekhi zikhula, ii-OTDR ziba yimfuneko ukujongana nomsebenzi ongenakubanjwa luvavanyo olulula lweTier 1. Ukongeza, zivumela ukulungiswa okubalulekileyo kunye nokugcinwa xa kuyimfuneko.

Ukuqinisekisa iiNethiwekhi zeFiber ezintsha

Xa kwakhiwa ikhonkco elitsha lefayibha, ii-OTDR zisetyenziselwa ukuqinisekisa ukuba i-splice nganye kunye ne-connector ziwela ngaphakathi kwe-spec. Zenza okungaphezulu kokulinganisa ilahleko iyonke, zichonga iziganeko ezingabonakaliyo ezifana nobuso obungcolileyo okanye ukugoba kwifayibha.

Amaqela aqhuba uvavanyo kwiindlela ezahlukeneyo zobude be-wavelength—ezifana nee-nanometers ze-1310 kunye ne-1550 kwimigca ye-single-mode—ukuchonga iindawo ezinokubangela uxinzelelo. Asebenzisa idatha evela kwi-OTDRs ukujonga imilinganiselo efana nokubonakaliswa kunye nokulahleka kweziganeko.

Ukuba nefayibha yokuqalisa enobude obuyi-350 yeenyawo kukuvumela ukuba uvavanye isixhumi sokuqala. Uvavanyo lokwenyani oluvela ekupheleni ukuya ekupheleni lubandakanya uvavanyo kuzo zombini iindlela—uvavanyo oluvela kwicala ngalinye—ukubonelela ngolwazi oluchanekileyo.

Ukuchonga Impazamo Ekhawulezileyo Kusindisa Imali

Xa umgca uphukile, ii-OTDR zibonisa kanye apho ikhefu likhoyo okanye i-splice embi ikhoyo. Oko kunciphisa ixesha abalichitha belungisa kwaye konga iindleko zokulungisa.

Umzekelo, ingcali ye-OTDR inokuchonga i-kink okanye i-macrobend ize ilungise loo ndawo kuphela. Olu nyango luchaneke ngakumbi luthetha ukuphazamiseka okuncinci kunye nengozi engaphantsi yokulahlekelwa yinkonzo.

Iingenelo zoLondolozo oluSebenzayo

Ukuhlolwa kwe-OTDR rhoqo kuchonga iimpawu zesilumkiso kwangethuba—ezifana nokulahleka okwandayo okanye ii-microbend ezintsha—ngaphambi kokuba zibe ziingxaki ezinkulu. Oku kuvumela amaqela ukuba acwangcise ukulungiswa kwawo ngokungxama kunokuba akhawuleze ngokukhawuleza ngexesha lobunzima.

Ukuba nedatha eqinileyo efumaneka kwi-OTDRs kuvumela abacwangcisi ukuba benze iishedyuli zolondolozo ezikrelekrele ngakumbi kwaye kuqinisekisa ukuba iinethiwekhi zihlala zisempilweni ixesha elide kwixesha elizayo.

Ukubhala phantsi iFiber Plant yakho

Ukugcina iirekhodi ze-OTDR zicocekile kubalulekile. Amaqela kufuneka agcine iifayile zokulandelela, abhale phantsi useto lovavanyo, kwaye enze iingxelo ezicacileyo neziqondakalayo.

Ezi fayile zenza kube nokwenzeka ukulungisa iingxaki ezivelayo ngesantya esiphezulu nangokusebenza kakuhle. Zikwajonga iintsingiselo, nto leyo eyenza kube lula ukugcinwa kwenkqubo yonke.

I-OTDR vs. Ezinye Izixhobo zeFiber

Uvavanyo lwefayibha lufuna izixhobo ezingaphezulu kwesinye, kwaye ukukhetha indibaniselwano efanelekileyo kunokukunceda uphumelele. Ii-OTDR, okanye ii-Optical Time Domain Reflectometers, zizixhobo ezibalaseleyo zokuqonda ubude bekhonkco lefayibha. Zichonga amaqhekeza kwaye zibone iziganeko ezibonisa ukukhanya ezifana nezixhumi okanye ii-splices.

Ezinye izixhobo zinezibonelelo ezikhethekileyo. IiSeti zoVavanyo lokulahleka kwe-Optical (OLTS), iiVisual Fault Locators (VFLs), kunye neescope zokuhlola i-fiber zezinye zemizekelo. EMarrakech, apho imigca emitsha ye-fiber idla ngokunqumla ezitalatweni ezixakekileyo kunye nezakhiwo zembali, oku kuyinyani ngakumbi. Ukuqonda ukuba sisetyenziswa nini isixhobo ngasinye kukhokelela ekungamangalisi kangako kwaye kube lula ukufaka.

I-OTDR vs. OLTS: Umahluko oPhambili

Ii-OTDR ziba luncedo ngokwenene xa ufuna ukuqonda ikhonkco, uchonge iindawo ezithile zeempazamo, okanye uhlole ii-splices. Ngokungafaniyo ne-OTDR, i-OLTS inika iziphumo ezikhawulezayo nezilula ukuzitolika ezifanelekileyo kuvavanyo lokupasa/lokungaphumeleli.

Umele Usebenzise Nini Uvavanyo Ngalunye?

Iingcali ziphendukela kwi-OTDRs xa kufuneka zidwelise iindlela ezinde, zifumane i-fiber breaks okanye zivavanye ii-bends kwiindawo ezilukhuni ukufikelela kuzo. I-OLTS ifanelekile ekuqinisekiseni ii-links ezintsha okanye ukuqinisekisa ilahleko kunye ne-polarity.

Kwinethiwekhi ezinkulu zezixeko ezinkulu, zombini zisetyenziswa kakhulu—ekuqaleni i-OLTS yovavanyo lokupasa/lokungaphumeleli ngokukhawuleza, emva koko i-OTDR yokusombulula iingxaki kunye nohlalutyo oluphambili.

Ukudibanisa Izixhobo zeZiphumo eziBalaseleyo

Sicebisa ukuba usebenzise ii-OTDR, ii-OLTS, kunye nee-scopes kunye ukuze ufumane iziphumo ezilungileyo. Umzekelo, sebenzisa ii-OLTS ukujonga ilahleko iyonke, i-OTDR ukufumana ikhefu, kunye ne-scope ukuze ubone ukuba isixhumi singcolile na.

Nangona kunjalo, xa zisetyenziswa kunye, ziyandisa kakhulu isantya kunye nokuchaneka kokufumana iimpazamo.

Ukuhamba kwiingxaki eziqhelekileyo ze-OTDR

Ukusebenza ne-OTDRs kuza nemingeni emininzi, ingakumbi xa kufikwa ekusetyenzisweni kweendawo kwiinethiwekhi ze-fiber optic zemihla ngemihla. Yingcamango ephosakeleyo eqhelekileyo ukuba iingcali zobugcisa kweli candelo zihlala zifuna ukujonga iikhonkco zefayibha ukusuka kwelinye icala. Ukusebenza kakuhle kunokuqinisekiswa kuphela ngovavanyo oluya kwicala elinye!

Iluphu kwelinye icala isetyenziswa ngamaqela amaninzi. Oku kuthetha ukuba banokuvavanya kuzo zombini iindlela ngaxeshanye ngelixa benciphisa kakhulu inani lamanyathelo abandakanyekayo.

Ukuqonda Iindawo Ezifileyo Ezingacacanga

Ukuqonda Iindawo Ezifileyo Ezingacacanga Iindawo Ezifileyo zinokukhohlisa neyona teknoloji iphambili. Ezi zizigaba ezimfutshane emva nje konxibelelwano okanye i-splice apho i-OTDR ingakwaziyo ukubona iziganeko nganye nganye.

Le ndawo ifileyo, edla ngokuba malunga ne-10–65 ft, inokubangela ukuba iziphene ezikufutshane zihlale zifihliwe. Ukusebenzisa imicu emide yokuqalisa, ukuya kuthi ga kwi-350 feet, kukhupha uqhagamshelo lokuqala kwindawo efileyo.

Olu tshintsho lunye lubonelela ngokubonakala kwesizathu esiyintloko. Ukufumanisa ezi ndawo zifileyo ezingaqondakaliyo kubalulekile xa utolika imikhondo. Ngale ndlela, awuyi kuyityeshela impazamo yesixhumi okanye i-splice efihliweyo eludakeni!

Ukujongana nokucamngca "ngemimoya"

Ukujongana nokubonakaliswa "kweziporho" Ukubonakaliswa kweziporho kuvela xa ukukhanya kuboniswa ngapha nangapha ngaphakathi kwifayibha. Oku kubonakaliswa kubangela ukubonakala kweziganeko "zeziporho" kwisikrini sakho se-OTDR.

Banokukhohlisa, njengoko behlala bebonakala ngathi ziimpazamo zokwenyani, kodwa azinxulumananga neziphene zomzimba. Ukunciphisa amathuba okwenza iziporho, qiniseka ukuba izihlanganisi zicocekile kwaye zidibene kakuhle.

Ukuba ukubonakalisa kuphezulu—oko kuthetha ukuba kusondele kwi-0 dB—kudla ngokubonisa ukuba akukho nxibelelwano lufanelekileyo kwindawo ekufutshane. Ukuqonda indlela ezibonakala ngayo iziganeko zokwenyani nezeziporho kubalulekile ekuqinisekiseni ukuba awuchazi kakuhle uhlalutyo lwakho.

Ukwandisa Ukuchaneka Kokulinganisa

Ukufikelela kwiinombolo ezithembekileyo kwi-OTDR kuqala ngokulinganisa kunye nokukhetha ubude be-wavelength obufanelekileyo kwi-fiber yakho. Imigangatho yoMkhosi wase-US kunye norhulumente iyayalela ukuba kusetyenziswe ii-launch and receive fibers.

Bakwacebisa ukuba kuphetshwe ukugoba kunye noxinzelelo kwiintambo kwaye kuhlolwe izihlanganisi ngaphambi kovavanyo ngalunye. Masingalibali iimeko zovavanyo—indawo elawulwayo necocekileyo iya kuhlala ivelisa iziphumo ezilungileyo.

Ukutolika Idatha Yokulandelela Eyinkimbinkimbi

Imikhondo ye-OTDR ingabonakala yoyikisa njengentaba kubantu abangayaziyo. Khangela amanyathelo acacileyo: indawo yokuqalisa, izihlanganisi, ii-splices, kunye nesiphelo sefayibha.

Iipateni—ezifana nokujika okanye ukuntywila ngequbuliso—zinokubonisa ukwaphuka okanye ukugoba okubukhali. Ngokuzama kancinci, ukuqonda ezi mpawu kuba yinto eqhelekileyo.

Ngaphambi kokuba wazi, uqaphela iingxaki ngaphambi kokuba zibe ziingxaki ezinkulu.

Ukukhetha i-OTDR yakho efanelekileyo

Ukufumana i-OTDR egqibeleleyo kuza kuba ngomnye wemisebenzi efana nokukhetha nasiphi na isixhobo somsebenzi othile—yonke into ibalulekile! Kwicandelo le-fiber optics elihamba ngokukhawuleza, ukulingana okungalunganga kunokubangela ukulahleka kwemveliso okanye kwanokuphinda kusetyenziswe. Iinethiwekhi ze-fiber zigubungela izixeko ezixineneyo kakhulu kweli lizwe kwaye zifikelela kuluntu lwasemaphandleni. Kwabo basebenza kwiingcali kunye neenjineli, i-OTDR izibonakalise njengesixhobo esibalulekileyo.

Tshatisa i-OTDR kwiimfuno zenethiwekhi

Xa ukhetha i-OTDR, qwalasela ezi zinto zilandelayo:

• Uhlobo lwefayibha (imowudi enye vs. imowudi ezininzi)

• Ubungakanani benethiwekhi kunye nobude bentambo

• Uhlobo lwesicelo (ukusombulula iingxaki, ukuqinisekiswa, ukugcinwa)

• Ubude bamaza obufunekayo (850nm, 1300nm, 1310nm, 1550nm, 1625nm)

• Indawo yokusebenza (ngaphakathi, ngaphandle, kwiimeko ezinzima)

Iinethiwekhi ezinkulu zedolophu kulo lonke elaseMelika zifuna ii-OTDR ezinokusebenza ngokufanelekileyo kwiintambo ezinde kunye neentambo ezixineneyo. Ezinye iikhonkco ezincinci zeofisi zinokufuna uvavanyo olufutshane nje. Ukuba usebenzisa i-fiber yemowudi enye, i-OTDR yakho kufuneka ikwazi ukwenza loo msebenzi. Imowudi emininzi ifuna isilwanyana esahlukileyo ngokupheleleyo. Kwimisebenzi enamacala amaninzi, isixhobo semowudi ezimbini sinokunciphisa ixesha kwaye siphelise ukukhungatheka.

Iinkcukacha ezibalulekileyo: Uluhlu, Isisombululo

Jonga uluhlu olutshintshatshintshayo ukuze ubone iimfuno zakho zokulinganisa umgama. Okukhona uluhlu lukhulu, kokukhona uya kukwazi ukuvavanya ubude beendawo—ufakelo lwasemaphandleni vs iibhloko zesixeko, umzekelo.

Isisombululo sibhekisa kumgama omncinci phakathi kweziphene ezimbini ezinokusonjululwa—ngezinye iindlela bezinokubonakala ngathi zinye ukuba zisondelelene kakhulu. Isisombululo esiphezulu sibalulekile ekuchongeni iziphene ezingabonakaliyo ezikufutshane kakhulu. Akukho mntu uthanda indawo efileyo—encinci ingcono ekufumaneni iziphene ezilandelelanayo.

Izinto Eziqwalaselwayo Ngokuphatheka Kwentsimi

Izinto ezibalulekileyo ekufuneka ziqwalaselwe xa kuthwalwa intsimi. Entsimini, ubunzima kunye nezindlu zizinto ezibaluleke kakhulu. I-OTDR ehlala ixesha elide enebhetri ethembekileyo yenza ukuba iintsuku ezinde kunye neendawo ezincinci zilawuleke lula.

Eyona nto ibalulekileyo kukuba, iibhokisi eziqinileyo ezinezikrini ezilula zenza umahluko kwiintsuku ezineemvula okanye xa kukho ukukhanya okuphantsi. Ukuba ukhwela iipali okanye ukhasa kwiindawo ezingaphantsi komhlaba, izixhobo ezilula ukuzithwala ziqinisekisa ukusebenza kakuhle komsebenzi.

Ubungqina Bekamva kwiNethiwekhi zase-US

Itekhnoloji entsha iyaqhubeka nokuvela kwaye imigangatho yefayibha iyaqhubeka nokukhula. Khetha ii-OTDR ezinokulawula zombini ubude bexesha kunye nobude bamandla angoku ukuze ungashiywa ngasemva.

Iimodeli eziqinisekisa indlela elula yokuphucula, okanye eziguquguqukayo ngenkxaso yesoftware, ziya kuhlawula inzala ngexesha apho iinethiwekhi zitshintsha ngokungenakuphepheka. Izixhobo eziguquguqukayo zikhokelela ekungatshintshini ngokupheleleyo kunye nokusebenza ixesha elide.

Isiphelo

Xa zisetyenziswa ngobuchule, ii-OTDR zizixhobo ezibalulekileyo ekuqinisekiseni ukuba imigca yefayibha ihlala iqinile kwaye ithembekile. Abantu abakwintsimi baxhomekeke kuzo ukufumana iimpazamo, ukuvavanya ii-splices, kunye nokugcina iinethiwekhi ngokuchanekileyo. Ukusuka kwiindawo ezinkulu zedolophu ukuya kwiindawo zasemaphandleni, iingcali zixhomekeke kwii-OTDR ukubanceda babone iingxaki ngokukhawuleza. Zilungisa ezi ngxaki ixesha elide ngaphambi kokuba abemi baqale ukufowuna ngezikhalazo malunga ne-intanethi ecothayo. Khetha i-OTDR efanelekileyo, kwaye umsebenzi uba lula ngakumbi, kungabi nzima ngakumbi. Ukusuka ekutolikeni loo mizila ingcolileyo ukuya ekulungiseleleni umzamo olandelayo, inxalenye nganye yenkqubo iba lula kancinci ngokuphindaphinda. Ngaba uneqela elitsha kweli ntsimi okanye ufuna nje ukulola izakhono zakho? Joyina nathi, rhweba ngeendaba ezimfutshane, fumana ukuba yintoni esebenzayo ngokwenene ehlabathini kwaye wabelane ngayo. Ngezixhobo ezilungileyo kunye nezandla ezikrelekrele, ezo zimpawu ziya kuhlala zihamba ngamandla. Kude kube ngoko, qhubeka ufunda, uhlale unobuchule, kwaye ungavumeli loo migca yezixhobo ibe buthathaka kakhulu!

Imibuzo ebuzwa qho

Imele ntoni i-OTDR?

Imele ntoni i-OTDR kwaye yintoni i-OTDR? Sisixhobo esibalulekileyo ekuvavanyeni nasekugcinweni kweentambo ze-fiber optic.

Isebenza njani i-OTDR?

Ngamafutshane, i-OTDR ithumela iipulse zokukhanya kwifayibha ize ilinganise konke ukukhanya okubuyiselwayo. Oku kwenza kube lula ukulandelela iimpazamo, ii-splices, kunye nokugoba kwiintambo ze-fiber optic.

Kutheni i-OTDR ibalulekile kwiinethiwekhi zefayibha?

Ngenxa yoko, ii-OTDR zivumela iingcali ukuba zichonge ngokuchanekileyo iimpazamo kwaye zisombulule iingxaki ngesantya esimangalisayo. Oku kukhokelela ekulungisweni ngokukhawuleza kunye nokuphuculwa kweenkonzo ze-intanethi kunye nonxibelelwano olukhawulezayo.

Ngaba i-OTDR ingavavanya zonke iintlobo zeentambo ze-fiber optic?

Ngaba i-OTDR ingavavanya zonke iintlobo zeentambo ze-fiber optic? Ngamafutshane, kufuneka wazi indlela yokukhetha iiparameter zovavanyo ezifanelekileyo ngokusekelwe kuhlobo lwentambo evavanywayo.

Yintoni umkhondo we-OTDR?

Yintoni umkhondo we-OTDR? Okubaluleke kakhulu, inceda iingcali ekuchongeni naziphi na iingxaki ezinje ngokuqhekeka, ii-splices, okanye ukugoba okugqithisileyo.

I-OTDR yahluke njani kwezinye izixhobo zokuvavanya ifayibha?

Ngokungafaniyo nabavavanyi abaqhelekileyo, i-OTDR inika ulwazi olupheleleyo lomgama kunye nendawo xa kukho ukusilela. Ibonelela ngomfanekiso obonakalayo wefayibha yonke, endaweni yokulahleka ukusuka ekuqaleni ukuya ekupheleni.

Yintoni endifanele ndiyiqwalasele xa ndikhetha i-OTDR?

Jonga uhlobo lwefayibha, uluhlu lovavanyo, ukhetho lobude be-wavelength, kunye nokuba kulula ukuyisebenzisa. Qinisekisa ukuba i-OTDR ifanelekile kwiimfuno zenethiwekhi yakho kunye namava eqela lakho.