The guda yanayin da zare da multimode sabanin

Idan ya zo ga watsa bayanai daga daya m wuri zuwa wani, da kara maimakon na gargajiya jan waya ga abokin ciniki kwangila gayyace zuwa kwanciya da na gani na USB. Game da wannan m fasahar da muke da a yau kuma za mu yi magana.

Fiber-na gani sadarwa line (FOL) aiki a kan manufa na watsa haske taguwar ruwa ta musamman tashoshin sanya na sosai m ma'adini gilashi. Banana hasken dake fitowa daga kayan lantarki bayar ga wata sigina Converter, wanda ya haifar da wani rafi da haske hatsaisai da kuma watsa su ga USB. A wasu karshen daga cikin haske mai karɓar sami wani rafi da transcodes shi baya zuwa electromagnetic hatsaisai. Saboda dukan tsari ne electronically sarrafawa da kuma shi ne mai dijital hira, low murdiya.

Don gina irin wannan sakawa, yi amfani da wani musamman kayan - single-yanayin da zare da multimode.

Na gani Lines sun yaɗu sosai, ba kawai saboda da rashin tsangwama tare da watsa daga cikin sigina. Daga cikin indisputable abũbuwan amfãni daga wannan fasaha ne a m band, a sosai rauni siginar attenuation, yarda da juna, da juriya da duk wani shisshigi daga electromagnetic yanayi, da babbar watsa range, yin yawa dubun kilomita. A gagarumin amfani ne cikin dogon lokaci sadarwa sabis, aza ta amfani da sakawa, ya zama a kalla 25 shekaru.

iri fiber

Lokacin da hawa links amfani fiber-na gani line aka zaba ko multimode ko guda yanayin fiber.

Menene wannan waya? A core na fiber ne ma'adini, ultrapure gilashi, wanda kuma ya wuce ta wani haske masaƙa. A spraying shi ba ya faruwa saboda harsashi Refractive index ƙananan fiye da zuciyar, saboda haka, hasken katako an kaucewa nuna daga cikin ganuwar ciki da zare.

Multimode da haka, zai iya gudu da dama da ɗari haske halaye da cewa suna gabatar a kusurwoyi mabambanta. Kowane yanayin na da hanyar da, kamar yadda wani sakamako, musamman yaduwa lokaci.

Babban drawback na da irin wannan fiber - yanayin watsawa, wanda Narrows da bandwidth da kuma takaita matsakaicin line tsawon. Riwayar for multimode sadarwa Lines yawanci matsakaicin nesa na game da kilomita 5.

Matsalar rage yanayin watsawa yanke shawarar da na USB da wani dan tudu Refractive index profile na core. Wannan fiber, da bambanci ga daidaitattun zažužžuka zabin Refractive index rage-rage daga cibiyar core da harsashi, wanda ya ba da gagarumin ci gaba a cikin sigogi na daukar kwayar cutar sigina.

The guda yanayin fiber tsara, bisa ga aiki ya wuce ta wata sadarwar tashar daya kawai yanayin (na asali). Wannan dabarar yana da abũbuwan amfãni mãsu yawa. Wasu halaye a cikin USB, Ya sanya daga single-yanayin da fasaha, an Domin na girma ne mafi alhẽri daga abin da samar da multimode. Wannan ne hukunci factor cewa rinjayar da zabi a cikin ni'imar da farko injiniyoyi a kwanciya sabon fiber na gani links. Lalle ne, guda-yanayin fiber samar attenuation a 0,25db da kilometer, da sãɓã wa jũna daga gare shi ne kadan da kuma fadi da bandwidth samar da wani fili da kuma m watsa yawa data ba tare da murdiya.

Amma akwai a cikin maganin shafawa gardama a cikin maganin shafawa. Wannan irin ne yafi tsada fiye da multimode fiber. Tun da girman da haske-shiryarwa tsakiya a guda-USB ne kadan, da radiation shigar a cikin irin wannan waya ne kalubale da kuma bukatar hankali sosai iko a splicing. A karshen haši na wadannan Lines kuma suna da yawa fiye da tsada fiye da multimode kontseviki Lines. Bugu da kari, cikin karshen saboda da sauki daga cikin haske katako shigar a cikin wani m core na sosai sauki, cheap riwayar, wanda kuma haifar da wata babbar dama da gasar kamfanoni.