Pfupiso uye mhinduro dzezvakajairwa kukanganisa matambudziko mune fiber optic transceivers
Kune akawanda marudzi efiber transceivers, asi nzira yekuongorora kukanganisa yakangofanana.Kupfupisa, zvikanganiso zvinoitika mu fiber transceiver ndezvizvi:
1.Chiedza chesimba chakadzimwa, kupera simba;
2.Chiedza cheChibatanidza hachivhenekeri.Mhosva inogona kuva inotevera:
a.Tarisa kana fiber line yakazaruka
b.Tarisa kana mutsara wefiber wakakurisa uye uchipfuura kugashira kwechishandiso.
c.Tarisa kuti iyo fiber interface yakabatana nemazvo.Iyo yemuno TX yakabatana kune iri kure RX, uye iri kure TX yakabatana neiyo RX yemuno.
d.Tarisa kuti faibha yekubatanidza yakanyatsopinzwa muchimiro chemudziyo here, kuti rudzi rwejumper runoenderana here nechitarisiko chemudziyo, kuti rudzi rwechishandiso rwunoenderana nefiber here, uye kuti kureba kwekufambisa kwemudziyo kunofanana here nedaro.
3.Chiedza cheChibatanidza chedunhu hachina kuvhenekera.Mhosva inogona kuva inotevera:
a.Tarisa kana network tambo yakavhurika;
b.Tarisa uone kana mhando yekubatanidza ichienderana: zvishandiso zvakaita setiweki makadhi uye ma routers anoshandisa machinjiro-waya, switch, hubs, nezvimwewo, uchishandisa mitsara yakatwasuka;
c.Tarisa kana mudziyo wekutapurirana mwero uchienderana;
4.Kurasikirwa kwepakeji yetiweki kwakakomba, uye kukanganisa kungave sekutevera:
a.Chiteshi chemagetsi che transceiver chakabatana netiweki mudziyo, kana iyo duplex modhi yemashandisirwo emidziyo miviri haina kufanana.
b.Twisted pair uye RJ-45 musoro vane matambudziko, tarisa
c.Dambudziko rekubatanidza Fiber, ingave iyo jumper yakabatana neyekushandisa interface, ingave pigtail inofanana nejumper uye coupler mhando.
5.Iyo fiber transceivers haigoni kutaurirana mushure mokunge migumo miviri yakabatanidzwa.
a.Iyo fiber inodzoserwa kumashure, uye iyo fiber yakabatana neTX uye RX inodzoserwa kumashure.
b.Iyo RJ45 interface haina kunyatsobatanidzwa kune yekunze mudziyo (ona iyo yakatwasuka uye yakatsvuka)
Iyo fiber interface (ceramic ferrule) haienderane.Mhosva iyi inonyanya kuratidzwa mu100M transceiver ine photoelectric mutual control function.Kana iyo pigtail yeAPC ferrule yakabatana kune transceiver yePC ferrule, haizokwanisi kutaurirana zvakajairika.Iyo photoelectric intercommunication transceiver haina mhedzisiro.
6.Time-breaking phenomenon
a.Inogona kunge yakanyanya kuderedzwa kweiyo nzira yekuona.Panguva ino, simba rekuona rekuguma kwekugamuchira rinogona kuyerwa nemagetsi emagetsi emagetsi.Kana iri padhuze nekugamuchira senitivity renji, inogona kunyatso kutongwa sekutadza kwenzira yekuona mukati meiyo 1-2dB.
b.Switch yakabatana kune transceiver inogona kunge isina kunaka.Muchiitiko ichi, shanduko inotsiviwa nePC, kureva kuti, ma-transceivers maviri akabatanidzwa zvakananga kuPC, uye migumo miviri yakabatana nePING.Kana iyo switch ikatadza, switch yacho inogona kunge yakatemerwa kuve kukanganisa kwekuchinja.
c.Inogona kunge iri kutadza kwetransceiver.Muchiitiko ichi, batanidza transceiver kuPC kumativi ose maviri (kwete kuburikidza nekuchinja).Mushure mezvose zvigumo zvisina dambudziko nePING, tumira faira hombe (100M) kubva kune rumwe rutivi kuenda kune rumwe rutivi, uye cherechedza kumhanya kwayo.Kana iyo kumhanya ichinonoka (mafaira ari pasi pe200M anofambiswa kweanopfuura maminetsi gumi nemashanu), transceiver inogona kunzi ine mhosva.
d.Mushure menguva yekukurukurirana, komputa inoputsika, ndiko kuti, haigone kutaura, uye inodzokera kune yakajairika mushure mekutangazve.
Ichi chiitiko chinowanzo kukonzerwa nekuchinja.Iyo switch inoita CRC yekuona kukanganisa uye kutarisa kureba pane ese akagamuchirwa data.Inotarisa kuti pakiti ine chikanganiso icharaswa uye pakiti yakarurama ichaendeswa mberi.Zvisinei, mamwe mapaketi ane zvikanganiso mubasa iri haaonekwi muCRC yekuona kukanganisa uye kutarisa urefu.Mapaketi akadaro haatumire panguva yekutumira uye haazoraswa.Ivo vanozounganidzwa mune inoshanduka cache.(buffer), haigoni kutumirwa kunze, kumirira kusvikira buffer yazara, ichaita kuti shanduko iparare.Nekuti kutangazve transceiver kana kutangazve kushandura panguva ino kunogona kudzorera kutaurirana kune zvakajairika, mushandisi anowanzofunga kuti i dambudziko ne transceiver.
7.Transceiver bvunzo nzira
Kana iwe ukaona kuti pane dambudziko nekubatanidza transceiver, ndapota zviedze nenzira inotevera kuti uwane chikonzero chekutadza.
a.Muedzo wava pedyo
Migumo yese yekombuta kuenda kuPING, kana uchikwanisa PING通, wobva waratidza kuti fiber transceiver haisi dambudziko.Kana iyo yepedyo-yekupedzisira bvunzo isingakwanisi kutaurirana, inogona kutongwa kuti optical transceiver yakashata.
b.Remote test:
Kana iyo komputa pamigumo miviri isina kubatana nePING, kana iyo PING isingasvikike, inofanirwa kutarisa kana iyo yekuona nzira yekubatanidza yakajairika uye kana simba rekutumira uye rekugamuchira reiyo optical transceiver iri mukati mekubvumidzwa.Kana PING ikapfuudzwa, inoratidza kuti nzira yekuona yakabatana kazhinji.Unogona kuona kuti dambudziko riri pakuchinja.
c.Remote bvunzo yekuona nzvimbo yekutadza:
Kutanga batanidza magumo kune switch, uye ese ari maviri anogumira kuPING.Kana pasina kukanganisa, inogona kutongwa sekukundikana kweimwe shanduko.
Zvinetso zvakajairika zvinogadziriswa nemubvunzo nemhinduro
Zvinoenderana nekugadzirisa kwezuva nezuva uye matambudziko emushandisi, akapfupikiswa uye akatsanangurwa nenzira yemubvunzo nemhinduro, achitarisira kuunza rubatsiro kune vashandi vekuchengetedza, kuti vaone chikonzero maererano nemhosva chiitiko, kutsvaga chikanganiso, "mushonga chaiwo. .”
1.Q: Ndeupi rudzi rwekubatanidza runoshandiswa kana transceiver RJ45 port yakabatanidzwa kune mamwe madivayiri?
A: RJ45 port ye transceiver yakabatana nePC network card (DTE data terminal equipment) uchishandisa crossover twisted pair, uye HUB kana SWITCH (DCE data communication equipment) inoshandisa parallel twisted pair.
2.Q: Ndeipi chikonzero nei chiedza cheTxLink chisina kuvhenekera?
Mhinduro: (1).Zvisizvo zvakamonyoroka zviviri zvakabatana;
(2).Iyo yakamonyoroka yekristaro musoro ine kusabatana kwakashata nemidziyo, kana kunaka kweiyo yakamonyoroka pairi pachayo;
(3).Iyo midziyo haina kunyatsobatanidzwa.
3.Q: Ndechipi chikonzero nei mwenje weTxLink usingavhenekeri asi unogara uripo mushure mekunge fiber yakanyatsobatanidzwa?
Mhinduro: 1.Chikanganiso chinowanzokonzerwa nekurebesa kureba.
2. Dambudziko rekuenderana nekadhi network (yakabatana nePC).
4.Q: Ndechipi chikonzero nei chiedza cheFxLink chisina kuvhenekera?
Iyo fiber optic cable yakabatana zvisiri izvo, uye nzira yekubatanidza yakarurama ndeye TX-RX, RX-TX, kana kuti fiber mode haina kururama;
Chinhambwe chekufambisa chakareba kana kurasikirwa kwepakati kwakakurisa, kudarika kurasikirwa kwezita kwechigadzirwa.Mhinduro ndeyekutora matanho ekudzikisa kurasikirwa kwepakati kana kuitsiva netransceiver ine kureba kwekufambisa kureba.
Iyo tembiricha yefiber optic transceiver yakakwira zvakanyanya.
5.Q: Ndechipi chikonzero nei chiedza cheFxLink chisingavhenekeri asi chiedza chinogara chiripo mushure mokunge fiber yakanyatsobatanidzwa?
A: Mhosva yacho inowanzo konzerwa nekuti chinhambwe chekufambisa chakareba kana kurasikirwa kwepakati kwakakurisa, kudarika kurasikirwa kwezita kwechigadzirwa.Mhinduro ndeyekudzikisa kurasikirwa kwepakati kana kuitsiva netransceiver ine kureba kwekutapurirana chinhambwe.
6.Q: Chii chandinofanira kuita kana zviedza zvishanu zvose zviri mukati kana kuti chiratidzo chiri chakajairika asi chisingachinjike?
A: Kazhinji, simba rinodzimwa uye rotangwazve.
7.Q: Chii chinonzi ambient tembiricha ye transceiver?
Mhinduro: Iyo fiber optic module inokanganiswa zvakanyanya neambient tembiricha.Kunyangwe iine yayo yakavakirwa-mukati-otomatiki kuwana dunhu, mushure mekunge tembiricha yadarika imwe siyana, iyo optical simba reiyo optical module inobatwa uye inoderera, iyo inoderedza kunaka kweiyo optical network chiratidzo uye inokonzera kurasikirwa kwepaketi.Muyero unokwira uye unotobvisa iyo optical link;(yakajairika fiber optic modules inogona kushanda patembiricha inosvika 70° C).
8.Q: Chii chinopindirana neprotocol yekunze yekushandisa?
A: Kufanana ne10/100M chinja, 10/100M optical transceiver ine imwe muganhu pahurefu hwefuremu, kazhinji isingapfuuri 1522B kana 1536B.Kana switch yakabatana pahofisi yepakati inotsigira mamwe maprotocol akakosha (akadai seCisco's ISL) Iyo packet overhead inowedzerwa (iyo ISL packet mutengo weCisco ndeye 30 Bytes), inodarika muganhu wepamusoro wefiber transceiver furemu kureba uye inoraswa.Izvi zvinoratidza kuti chiyero chekurasikirwa kwepaketi chakakwira kana kwete.Muchiitiko ichi, iyo MTU yemuchina wekupedzisira inoda kugadziridzwa.Iyo yepamusoro yekutumira chikwata, iyo yepamusoro yehuwandu hwe IP packet ndeye 18 bytes, uye MTU ndeye 1500 bytes. Ikozvino vagadziri vezvigadzirwa zvekukurukurirana kwepamusoro vane mukati me network protocol, kazhinji vachitora pakiti yakasiyana, iyo inowedzera pamusoro pe IP packets.Kana iyo data iri 1500 bytes, iyo IP packet size inodarika gumi nemasere mushure mekunge IP pakiti raraswa.Saizi yepakiti inogutsa muganho wetiweki mudziyo pahurefu hwefuremu.Iyo 1522 byte packet inowedzerwa kune iyo VLAN tag.
9.Q: Mushure mokunge chassis yave ichishanda zvakajairika kwekanguva, nei mamwe makadhi asiri kushanda zvakanaka?
A: Iyo yekutanga chassis magetsi ekushandisa anoshandisa relay mode.Kusakwana kwemagetsi ekupa margin uye kurasikirwa kukuru kwemutsara matambudziko makuru.
Mushure mekunge chasi yashanda zvakajairika kwenguva yakati rebei, mamwe makadhi anogona kusashanda nemazvo.Kana mamwe makadhi aburitswa, makadhi asara anoshanda semazuva ese.Mushure mekushanda kwenguva refu kwechasisi, iyo yekubatanidza oxidation inokonzera kurasikirwa kukuru kwekubatana.Iyi magetsi inowira kupfuura mitemo.Rudzi runodiwa runogona kuita kuti kadhi yekasi ive isina kujairika.Kuchinja kwemagetsi emagetsi kunodzivirirwa nepamusoro-simba Schottky diode kuvandudza chimiro chekubatanidza uye kuderedza kudonha kwemagetsi kunokonzerwa nedunhu rekutonga uye chibatanidza.Panguva imwecheteyo, simba rekugadzirisa simba rekupa magetsi rinowedzerwa, izvo zvinoita kuti magetsi ekuchengetedza simba ave nyore uye akachengeteka, uye anoita kuti ive yakakodzera kune basa renguva refu risina kukanganisa.
10.Q: Ndeipi basa rekubatanidza alarm inopiwa pane transceiver?
A: Iyo transceiver ine chinongedzo alarm basa (linkloss).Kana imwe fiber ikadonhedzwa, inongozvidya ichidzokera kuchiteshi chemagetsi (kureva kuti, chiratidzo chiri pachiteshi chemagetsi chichadzimwawo). Kana iyo switch ine network manejimendi system, inokurumidza kuratidza network manejimendi software yeiyo network. chinja.