Matambudziko nemhinduro dzakasangana mukugadzwa uye kushandiswa kweoptical fiber transceivers
Danho rekutanga: tanga waona kana chiratidzo chechiedza che optical fiber transceiver kana optical module uye yakamonyoroka pair port chiratidzo chemwenje chiripo?
1. Kana iyo optical port (FX) chiratidzo cheA transceiver chiripo uye chiratidzo che optical (FX) cheB transceiver chisati chiripo, kukanganisa kuri paA transceiver side: imwe inogona kuva: A transceiver (TX) optical transmission Chiteshi chakashata nokuti optical port (RX) yeB transceiver haigamuchire chiratidzo chemaziso; chimwe chinogoneka ndechekuti: pane dambudziko neiyi fiber link yeOptical transmit port yeA transceiver (TX), yakadai seyakatyoka optical jumper.
2. Kana chiratidzo cheFX che transceiver chadzimwa, ndapota ita shuwa kana iyo fiber link yakabatana? Imwe mugumo wefiber jumper yakabatanidzwa mune parallel mode; mumwe mugumo wakabatanidzwa mumuchinjikwa mode.
3. The twisted pair (TP) chiratidzo chadzimwa, ndapota ita shuwa kuti twisted pair connection yakashata kana kuti kubatana kwacho kwakaipa? Ndapota shandisai inoenderera mberi tester kuti muone (zvisinei, iyo yakamonyoroka pair chiratidzo chemamwe ma transceivers anofanira kumirira optical fiber chain Mwenje kumusoro mushure mekunge mugwagwa wabatanidzwa).
4. Mamwe matransceivers ane maviri maRJ45 ports: (ToHUB) inoratidza kuti tambo yekubatanidza kunechinjamutsetse wakatwasuka; (ToNode) inoratidza kuti mutsara wekubatanidza kunechinjairi crossover line.
5. Mamwe majenereta ebvudzi ane MPRchinjapadivi: zvinoreva kuti tambo yekubatanidza kunechinjainzira yakatwasuka; DTEchinja: mutsara wekubatanidza kunechinjainzira yekuyambuka.
Danho rechipiri: Ongorora uye kutonga kana paine dambudziko nefiber jumpers netambo dzefiber optic?
1. On-off kuonekwa kwe optical fiber connection: shandisa laser tochi, chiedza chezuva, nezvimwewo kuvhenekera imwe mugumo we fiber jumper; kuona kana kune chiedza chinooneka kune rumwe rutivi? Kana pane chiedza chinooneka, chinoratidza kuti fiber jumper haina kuputsika.
2. Kuonekwa kwe optical cable connection uye disconnection: shandisa laser tochi, chiedza chezuva, muviri unopenya kuti uvhenekere imwe mugumo we optical cable connector kana coupler; kuona kana kune chiedza chinooneka kune rumwe rutivi? Kana pane chiedza chinooneka, chinoratidza kuti optical cable haina kuputsika.
Danho rechitatu: Iyo hafu / yakazara duplex nzira yakaipa here?
Mamwe ma transceivers ane FDXswitchesparutivi: duplex yakazara; HDXswitches: hafu duplex.
Nhanho 4: Edza nemagetsi emagetsi
Simba rinopenya re optical fiber transceiver kana optical module pasi pemamiriro ezvinhu akajairika: multimode: pakati -10db-18db; single-mode 20 km: pakati -8db–15db; single-mode 60 km: pakati -5db–12db; Kana iyo inopenya simba ye optical fiber transceiver iri pakati pe: -30db-45db, saka inogona kutongwa kuti pane dambudziko neiyi transceiver.
Nyaya dzinoda kutariswa optical fiber transceiver
Nekuda kwekureruka, zviri nani kushandisa mubvunzo uye mhinduro maitiro, ayo anogona kuoneka pakatarisa.
1. Ko iyo optical transceiver pachayo inotsigira yakazara-duplex uye hafu-duplex?
Mamwe machipisi pamusika anogona chete kushandisa yakazara-duplex nharaunda parizvino, uye haigone kutsigira hafu-duplex. Semuenzaniso, kana akabatana nemamwe mabhureki eswitches(CHINJA) kana hub seti (HUB), uye inoshandisa hafu-duplex modhi, inozokonzera kukakavara kwakakomba uye kurasikirwa kwepaketi.
2. Wakamboedza kubatana nemamwe mafiber transceivers?
Parizvino, kune akawanda uye akawanda fiber optic transceivers pamusika. Kana kuenderana kwema transceivers emhando dzakasiyana kusati kwaedzwa, zvinokonzeresa kurasikirwa kwepaketi, nguva yekutapurirana kwenguva refu, uye nekukurumidza uye kunonoka.
3. Pane mudziyo wekuchengetedza kudzivirira kurasikirwa kwepaketi here?
Kuti vaderedze mitengo, vamwe vagadziri vanoshandisa regisheni yekufambisa data kudzikisa mutengo. Kukanganisa kukuru kweiyi nzira ndeyekuti kutapurirana hakuna kugadzikana uye kurasikirwa kwepaketi. Zvakanakisa kushandisa buffer line dhizaini, iyo yakachengeteka Dzivisa data packet kurasikirwa.
4. Kuchinja kwe tembiricha?
Iyo optical fiber transceiver pachayo inoburitsa kupisa kwakanyanya kana ikashandiswa. Kana tembiricha yakanyanyisa (kwete kupfuura 50 ° C), kana iyo optical fiber transceiver iri kushanda nemazvo chinhu chakakodzera kutariswa nevatengi!
5. Inosangana neIEEE802.3u chiyero here?
Kana iyo optical fiber transceiver inoenderana neIEEE802.3 muyero, ndiko kuti, nguva yekunonoka inodzorwa pa46bit, kana inopfuura 46bit, zvinoreva kuti kureba kwekufambisa kweiyo optical fiber transceiver kuchapfupiswa.
Pfupiso uye mhinduro dzezvakajairwa kukanganisa matambudziko efiber optic transceivers
Kune akawanda marudzi efiber optic transceivers, asi nzira yekuongorora kukanganisa yakangofanana. Muchidimbu, zvikanganiso zvinoitika mumafiber optic transceivers ndeaya anotevera:
1. Chiedza cheSimba chakadzimwa, magetsi akanganisa;
2. Chiedza cheLinganisi chakadzimwa, uye kukanganisa kunogona kunge kunotevera:
a. Tarisa uone kana mutsetse wefiber optical wakatyoka
b. Tarisa kana iyo fiber mutsara kurasikirwa yakakurisa uye inodarika iyo yekugamuchira yemidziyo
c. Tarisa uone kana iyo fiber interface yakabatana nemazvo, iyo TX yemuno yakabatana neiyo iri kure RX, uye iri kure TX yakabatana neiyo yemuno RX.
d. Tarisa uone kana iyo optical fiber yekubatanidza yakaiswa mumudziyo interface isina kurongeka, kana rudzi rwejumper ruchienderana nedhizaini, kana rudzi rwechishandiso rwunoenderana neoptical fiber, uye kuti kureba kwechishandiso kunoenderana here nedaro.
3. The redunhu Link chiedza chakadzimwa, uye kukanganisa kunogona kuva sezvinotevera:
a. Tarisa kana tambo yetiweki yakaputsika;
b. Tarisa uone kana mhando yekubatanidza ichienderana: network makadhi uyeroutersshandisa tambo dzekuyambuka, uyeswitches, hubs nemimwe michina inoshandisa tambo dzakatwasuka;
c. Tarisa uone kana chiyero chekutumira chemudziyo chinoenderana;
4. Network packet kurasikirwa kwakakomba, uye zvinogona kukundikana ndezvizvi:
a. Chiteshi chemagetsi chetransceiver hachifananidzi netiweki mudziyo interface, kana iyo duplex modhi yedhizaini interface kumigumo yese.
b. Kana pane dambudziko nepeya yakamonyoroka uye musoro weRJ-45, tarisa
c. Dambudziko reOptical fiber yekubatanidza, ingave iyo jumper inopindirana neiyo mudziyo interface, uye kuti pigtail inoenderana nerudzi rwejumper uye coupler.
5. Mushure mokunge fiber transceiver yakabatanidzwa, migumo miviri haigoni kutaurirana
a Iyo optical fiber inodzoserwa kumashure, uye iyo optical fibers yakabatana neTX neRX inochinjika.
b. Iyo RJ45 interface haina kunyatsobatanidzwa kune yekunze mudziyo (ona iyo yakatwasuka-kuburikidza uye splicing)
Iyo optical fiber interface (ceramic ferrule) haienderane. Mhosva iyi inonyanya kuratidzwa mu100M transceiver ine photoelectric mutual control function. Iyo photoelectric mutual control transceiver haina mhedzisiro.
6. On-off phenomenon
a. Zvinogona kunge kuti kuderedzwa kweiyo nzira yekuona kwakakurisa. Panguva ino, simba rekuona rekuguma kwekugamuchira rinogona kuyerwa nemamita emagetsi emagetsi. Kana iri padhuze nekugamuchira senitivity renji, inogona kutongwa sekutadza kwenzira yekuona mukati meiyo 1-2dB.
b. Thechinjayakabatana netransceiver inogona kunge isina kunaka. Panguva iyi, thechinjainotsiviwa nePC, kureva kuti, ma-transceivers maviri akabatanidzwa zvakananga kuPC, uye migumo miviri yakabatanidzwa nePING.
c. Transceiver inogona kunge iine mhosva. Panguva ino, batanidza migumo miviri ye transceiver kuPC (usapfuure nepakatichinja) Mushure mokunge migumo miviri isina dambudziko nePING, tumira faira yakakura (100M) kubva kune rumwe rutivi kusvika kune rumwe rutivi. Tarisa Kumhanya kwayo, kana kumhanya kunonoka (kupfuura maminetsi gumi nemashanu ekufambisa faira pazasi 200M), inogona kutongwa sekutadza kwetransceiver.
d. Kukurukurirana kunoparara mushure menguva yakati, ndiko kuti, kutaurirana kunokundikana, uye kunodzokera kune zvakajairika mushure mekutangazve.
Ichi chiitiko chinowanzo kukonzerwa nechinja. Thechinjaichaita CRC yekuona kukanganisa uye kutarisa kureba pane data yose yakagamuchirwa, uye chengetedza kuti pakiti isina kururama icharaswa, uye pakiti yakarurama ichaendeswa mberi.Zvisinei, mamwe mapaketi ane zvikanganiso mubasa iri haagoni kuonekwa muCRC yekuona kukanganisa uye urefu. check. Mapaketi akadaro haatumire kunze kana kuraswa panguva yekutumira, uye anozoungana muine simba cache. Mu (buffer), haigone kutumirwa kunze. Kana iyo buffer yazara, inokonzeresa iyochinjakuparara. Nekuti kutangazve transceiver kana kutangazve iyochinjapanguva ino inogona kudzoreredza kutaurirana kune yakajairika, vashandisi vanowanzo funga kuti idambudziko re transceiver.
8. Transceiver test nzira
Kana iwe ukaona kuti pane dambudziko neiyo transceiver yekubatanidza, ndapota edza zvinoenderana nenzira dzinotevera kuti uone chikonzero chekutadza.
a. Muedzo wava pedyo
Makombiyuta kumativi ose maviri anogona ping, kana inogona pinged, inoratidza kuti hapana dambudziko ne fiber optic transceiver. Kana iyo yepedyo-yekupedzisira bvunzo ikatadza kutaurirana, inogona kutongwa sekutadza kwefiber transceiver.
b Remote bvunzo:
Makomputa kumativi ese ari maviri akabatanidzwa kuPING. Kana PING isipo, unofanirwa kutarisa kana nzira yekuona yekubatanidza yakajairika uye kana iyo yekufambisa uye yekugamuchira simba reiyo optical fiber transceiver iri mukati meiyo inobvumidzwa renji. Kana ichigona pinged, inoratidza kuti optical connection yakajairika. Zvinogona kutongwa kuti mhosva iri pachinja.
c. Remote bvunzo yekuona chikanganiso:
Kutanga batanidza imwe mugumo kunechinjauye iyo miviri inogumira kuPING. Kana pasina mhosva, inogona kutongwa semhosva yemumwechinja.
Matambudziko akajairika anoongororwa pazasi kuburikidza nemubvunzo nemhinduro
Zvinoenderana nekugadzirisa kwezuva nezuva uye matambudziko evashandisi, ini ndichavapfupikisa mumwe nemumwe muchimiro chemubvunzo nemhinduro, ndichitarisira kuunza rubatsiro kune vashandi vekuchengetedza, kuti vaone chikonzero chekukanganisa zvinoenderana nekukanganisa chiitiko, ratidza chikanganiso. pfungwa, uye "ruramisa mushonga".
1. Q: Ndeupi rudzi rwekubatanidza runoshandiswa kana iyo transceiver RJ45 port yakabatanidzwa kune mamwe midziyo?
Mhinduro: Iyo RJ45 chiteshi cheiyo transceiver yakabatana nePC network kadhi (DTE data terminal midziyo) uchishandisa muchinjiko wakamonyoroka pair, uye yakabatana neHUB kanaCHINJA(DCE data communication equipment) uchishandisa parallel twisted pair.
2. Q: Ndechipi chikonzero nei mwenje weTxLink ukadzimwa?
Mhinduro: 1. Peya isiriyo yakamonyoroka yakabatana; 2. Musoro wekristaro wakamonyoroka hausi muhutano hwakanaka nemudziyo kana hutano hwepairi yakamonyoroka pachayo; 3. Chigadzirwa chacho hachina kunyatsobatanidzwa.
3. Mubvunzo: Ndechipi chikonzero nei chiedza cheTxLink chisingaiti asi chinoramba chiripo mushure mokunge fiber yabatanidzwa kazhinji?
Mhinduro: 1. Iyo nhambwe yekufambisa inowanzorebesa; 2. Kuenderana nekadhi yetiweki (yakabatana nePC).
4. Q: Ndechipi chikonzero nei chiedza cheFxLink chadzimwa?
Iyo fiber tambo yakabatana zvisizvo, iyo nzira yekubatanidza nzira ndeye TX-RX, RX-TX, kana iyo fiber mode haina kunaka;
Chinhambwe chekufambisa chakareba kana kurasikirwa kwepakati kwakakurisa, kudarika kurasikirwa kwezita kwechigadzirwa ichi. Mhinduro ndeyekutora matanho ekudzikisa kurasikirwa kwepakati kana kuitsiva neakareba transceiver kureba.
Kupisa kwekushanda kweoptical fiber transceiver yakanyanya.
5. Q: Ndechipi chikonzero nei chiedza cheFxLink chisingaiti asi chinoramba chiripo mushure mokunge fiber yabatanidzwa kazhinji?
Mhinduro: Mhosva iyi inowanzo konzerwa nekuti chinhambwe chekutapurirana kurebesa kana kurasikirwa kwepakati kwakakurisa, kudarika kurasikirwa kwezita kwechigadzirwa ichi. Mhinduro ndeyekudzikisa kurasikirwa kwepakati kana kuitsiva neyekurebesa yekufambisa kureba transceiver.
6. Mubvunzo: Chii chandinofanira kuita kana mwenje mishanu yose yakabatidzwa kana chiratidzo chakajairika asi chisingakwanisi kufambisa?
Mhinduro: Kazhinji, unogona kudzima simba uye wotangazve kune zvakajairika.
7. Q: Chii chinonzi ambient tembiricha ye transceiver?
Mhinduro: Iyo optical fiber module inokanganiswa zvakanyanya neambient tembiricha. Kunyange zvazvo iine yakavakirwa-mukati-otomatiki kuwana dunhu, mushure mekunge tembiricha yadarika imwe nhanho, iyo transmitted optical simba reiyo optical module inobatwa uye kuderedzwa, nekudaro ichideredza kunaka kweiyo optical network chiratidzo uye ichikonzera kurasikirwa kwepaketi Muyero unokwira, kunyangwe. kubvisa chinongedzo chemaziso; (kazhinji tembiricha yekushandisa yeiyo optical fiber module inogona kusvika 70 ℃). iyo inodarika muganho wepamusoro wehurefu hwefuremu ye transceiver yemaziso uye inoraswa nayo, ichiratidza chiyero chepamusoro kana chisingabudiriri kurasikirwa kwepaketi.
Iyo yakanyanya kutapurirana unit, iyo general IP packet kumusoro ndeye 18 bytes, uye iyo MTU ndeye 1500 bytes; iye zvino vanogadzira michina yekukurukurirana yepamusoro vane mukati metiweki protocol, kazhinji vachishandisa imwe nzira yepakiti, ichawedzera IP packet pamusoro, kana data iri 1500 mazwi Mushure me IP packet, saizi ye IP packet ichapfuura 18 uye kuraswa) , kuitira kuti saizi yepakiti inofambiswa pamutsetse inosangana nemuganho wetiweki mudziyo pahurefu hwefuremu. 1522 bytes emapaketi anowedzerwa VLANtag.
9. Mubvunzo: Mushure mekunge chasi yave ichishanda kwenguva yakati, sei mamwe makadhi achitadza kushanda nemazvo?
Mhinduro: Iyo yekutanga chassis magetsi magetsi anotora iyo relay modhi. Kusakwana kwemagetsi ekupa margin uye kurasikirwa kukuru kwemutsara ndiwo matambudziko makuru. Mushure mekunge chassis yave kushanda kwenguva yakati rebei, mamwe makadhi haagone kushanda semazuva ese. Kana mamwe makadhi aburitswa, makadhi asara anoshanda semazuva ese. Mushure mekunge chassis yave ichishanda kwenguva yakareba, iyo yekubatanidza oxidation inokonzera kurasikirwa kukuru kwekubatanidza. Iyi magetsi inowira kupfuura mitemo. Rudzi runodiwa runogona kuita kuti kadhi rechasi risaite. High-simba Schottky diodes anoshandiswa kupatsanura uye kudzivirira iyo chassis simbachinja, kunatsiridza chimiro chekubatanidza, uye kuderedza kudonha kwemagetsi kunokonzerwa nedunhu rekutonga uye chibatanidza. Panguva imwecheteyo, simba rekugadzirisa simba rekupa magetsi rinowedzerwa, iro rinonyatsoita kuti simba rekuchengetedza simba rive nyore uye rakachengeteka, uye rinoita kuti rive rakakodzera kune zvinodiwa zvekushanda kwenguva refu isingapindiki.
10. Q: Ndeipi basa iro alarm yekubatanidza inopiwa pane transceiver ine?
Mhinduro: Iyo transceiver ine chinongedzo alarm basa (linkloss). Kana fiber ikabviswa, inongozvidyira kuchiteshi chemagetsi (kureva kuti, chiratidzo pachiteshi chemagetsi chichabudawo). Kana iyochinjaine network manejimendi, icharatidzwa kune iyochinjapakarepo. Network manejimendi software.