Assalamu alaikum, masoya mabiya, yau zamuyi magana akansa
FTTH. Fasaha
Na farko, menene FTTH?
Kuma kun taɓa jin labarin FTTH?
Ko kuma fasahar fiber optic na gida
Shin kamar DSL ne ko kusa da ƙarni na huɗu 4G
, Tabbas, don wannan ko wancan, a cikin layi masu zuwa za mu amsa waɗannan tambayoyin da kyau kuma dalla -dalla.
FTTH (fiber zuwa gida):
Ko fiber optics na gida fasaha ce don watsa bayanai da bayanai a cikin wayoyin gilashi a cikin manyan sauri daidai da saurin haske, ma'ana zaku iya tunanin adadin bayanai marasa iyaka da mara iyaka, kawai za ku iya ɗauka ta hanyar wannan fina -finan fasaha wanda gudu awanni a cikin dakika kuma zaku iya saukar da manyan wasanni da manyan shirye -shirye A cikin 'yan dakikoki kadan, ban da loda manyan fayiloli na girman gigabyte a cikin dakika, yin wasa akan layi ba tare da katsewa ba, shiga ta hanyar haɗin bidiyon ku, da kallon IPTV akan Intanet.
FTTH Tantancewar Fiber:
Mafi kyawu, sabuwa da ingantacciyar hanyar sadarwa a halin yanzu da ake da ita don haɗawa da Intanet, ban da saurin sa mai ban sha'awa.Tsayayyar fasaha ce da abubuwan da ke waje ba sa shafar su kamar tsangwama, iska, zafin waje, da sauran su.
Bambanci a cikin lakabin:
FTTN .. Fiber zuwa Node.
Viber har zuwa wurin tattarawa.
FTTC .. Fiber to the Curb.
Fiber zuwa gefen hanya.
FTTB .. Fiber zuwa Ginin.
Viber har zuwa ginin.
FTTH .. Fiber zuwa Gida.
Viber zuwa gidan.
FTTH yana nufin cewa fiber ɗin ya isa gidan mai amfani, yayin da FTTB ke wakiltar damar fiber kawai ga ginin ba gidan ko mazaunin ba. FTTC da FTTN kuma suna nufin cewa fiber ɗin ya kai ƙasa da 300 m na farko kuma sama da 300 m na biyu, wannan bambancin shine, ba shakka, yana nunawa cikin inganci da saurin haɗin.
Bangarorin sadarwa da yadda suke aiki:
Ana kiran kayan aikin cikin rabe -raben ko rumfuna:
(OLT: Ƙarshen Layin Tantancewar).
Kuma yana da katunan da yawa, kowane katin ya ƙunshi adadin tashoshin jiragen ruwa da ake kira:
(PON: Cibiyar sadarwa ta gani mai wucewa).
An haɗa shi da filament ɗin filaye guda ɗaya wanda ke watsawa da karɓa a cikin raƙuman ruwa daban -daban guda biyu. Ana amfani da tashoshi 64 a kowace tashar jiragen ruwa ta hanyar raba filament cikin filaments ta mai rarrafe kuma an haɗa filaments a tashar:
(ONT: Ƙarshen hanyar sadarwa na gani).
Saukewa (Zazzage don Bayanai):
Lokacin amfani da ƙa'idar GPON, jimlar haɗuwar da aka haɗa ita ce gigabits 2.488 a madaurin 1490 nm. Duk sassan jiki suna karɓar duk sigina kuma suna karɓar bayanin da aka aika zuwa na'urar karɓa. Matsakaicin saurin goyan baya don tashar guda ɗaya shine 100Mbps.
Shiga don Bayanai:
Haɗin jimlar duka shine gigabits 1.244 ta amfani da raƙuman ruwa na 1310 nm. Kowace na’urar tashoshi tana aika siginar ta a lokacin da aka tsara kuma tana canza lokutan tashar jiragen ruwa akai -akai, tare da la’akari da manyan abubuwa, matakin inganci, saurin yarda, da matakin cunkoso.
Saukewa (Saukewa don Bidiyo):
Ana amfani da nisan zango na 1550 nm don watsa bidiyo. Matsakaicin saurin da ake tallafawa don na’urar tashar guda ɗaya shine 100Mbps.
Matsakaicin saurin da kuke buƙata don gidanka:
Idan kuna tambaya game da madaidaicin saurin FTTH don gidan ku, matsakaicin saurin da gidan ke buƙata ya kai 40 MB, don cin gajiyar shirye -shiryen taɗi na bidiyo, wasanni, kallon manyan TV, da zazzage fayiloli akai -akai da ci gaba.
FTTH ladabi:
Ya dogara da ladabi kamar:
1- GPON.
2-EPON.
3-BPON.
Kuma sabuwar amfani da ita shine giga .. GPON
(GPON: Gigabit Passive Optical Network).
Ana watsa bayanan akan fakiti da ake kira .. GEM
(GEM: Module Encapsulation GPON).
Fa'idodin cibiyar sadarwar FTTH da kwatancen ta da cibiyar sadarwar jan ƙarfe DSL:
1- Yawan gudu.
2- Daidai da tsarkin sigina.
3- Saurin baya raguwa tare da kara nisa. Abokin ciniki mafi nisa zai iya samun saurin gudu kamar abokin ciniki mafi kusa.
4- Yawaitar ayyuka da saukin bayar da su.
5- Ikonta na tallafawa ayyukan gaba.
6- Ikon canza iyawa da adadin tashoshin jiragen ruwa a wurin abokin ciniki ta hanyar canza na’urar.
7- Nisan fiye da kilomita 8 kuma ya kai kilomita 60 idan ba a yi layya ba.
Dalilin jinkirin yaduwar fasahar FTTH:
Wannan sannu a hankali ya faru ne saboda kayan aikin wannan fasaha suna da tsada sosai, baya ga wahalar kulawa da shigar da filaye na gani idan sun lalace. Amma babban cikas shine wahalar maye gurbin kayan aikin da ake dasu tare da kayan aikin da ake buƙata don wannan fasaha, ban da cewa matsakaicin mai amfani baya buƙatar babban gudu. Waɗannan dalilai biyu suna sa haɗin gargajiya ta waya na jan ƙarfe ya ci gaba har zuwa yau.
Muna yi muku fatan alheri, mabiyan mu masu daraja, cikin koshin lafiya da koshin lafiya
