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Fiber optic core reflection test

Fiber optic core reflection test

Fiber optic core reflection test inoenderera mberi neOptical Time Domain Reflectometer (OTDR).Icho chiri chishandiso chinoshandiswa kunyatsoona zvikanganiso mune optical fiber link yeacontact network.Iyo OTDR inogadzira pulse mukati mefayibha kuti iongororwe kukanganiswa kana kuremara.Zviitiko zvakasiyana mukati mefiber zvinogadzira Rayleigh back scatter.Mapurisa anodzoserwa kuOTDR uye simba rawo rinoyerwa nekuverengwa sebasa renguva uye rakarongwa sebasa refiber stretch.Simba uye chiratidzo chekudzoka chinotaurira nezve nzvimbo uye kusimba kwechikanganiso chiripo.Kwete chete kugadzirisa, asiwo optical line yekuisa masevhisi anoshandisa OTDRs.

OTDR inobatsira pakuyedza kuvimbika kwetambo dzefiber optic.Inogona kuonesa kurasikirwa kwe splice, kuyera kureba uye kuwana zvikanganiso.Iyo OTDR inowanzo shandiswa kugadzira "mufananidzo" wefiber optic tambo kana ichangobva kuiswa.Gare gare, kuenzanisa kunogona kuitwa pakati pekutanga kutsvaga uye chechipiri chechipiri chinotorwa kana matambudziko amuka.Kuongorora iyo OTDR trace inogara ichiitwa nyore nekuva nemagwaro kubva kune yekutanga trace yakagadzirwa pakaiswa tambo.OTDR inokuratidza panogumiswa tambo uye simbisa mhando yemafayibha, zvinongedzo uye splices.Mateki eOTDR anoshandiswawo kugadzirisa matambudziko, sezvo achigona kuratidza kuti mabreak aripi mufiber kana maronda achifananidzwa nemagwaro ekuisa.

Jera enderera mberi bvunzo yeFTTH inodonha tambo pane wavelengths (1310,1550 uye 1625 nm).Isu tinoshandisa EXFO FTB-1 mune iyi mhando bvunzo.Kuongorora kunaka kwetambo dzedu kuona kuti mutengi wedu anogona kugamuchira zvigadzirwa zvinosangana nemhando yezvinodiwa.

Isu tinoita bvunzo iyi patambo dzese dzatinogadzira.
Yedu yemukati marabhoritari inokwanisa kuenderera yakadai yakatevedzana yemhando ine hukama mhando bvunzo.
Kugamuchirwa kuti utibate kuti uwane rumwe ruzivo.

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