4 Zaune akan GPON
Nilesat, Eutelsat 8W, Badr 4/5/6/7 & Es'hail 2, Hot Bird 13E sune shahararrun tauraron dan adam a tsakiyar gabas. Mutane suna son kallon su. Yana da wuyar aiki ga iyali guda don shigar da jita-jita na tauraron dan adam guda hudu masu karɓar tauraron dan adam guda ɗaya kawai. Yana da wahala ga masu biyan kuɗin da ke zaune a gini ɗaya don raba jita-jita na tauraron dan adam guda huɗu a kan tarin igiyoyi na coaxial. Intanit shine babban fifikon buƙatu a wannan duniyar. Idan akwai fiber na GPON ga kowane mai biyan kuɗi, Fasahar Fasaha ta Greatway tana sauƙaƙe wannan aikin a farashi mai araha. Wannan shawarar tana ba da mafita na tauraron dan adam guda 4 da aka zaɓa mafi shaharar FTA ko ɓoyayyen abun ciki FTTH zuwa kusan masu biyan kuɗi na GPON ONU 2800.
Masu Canjin Tauraron Dan Adam Wanda GSS32 dCSS Canjin Tauraron Dan Adam Ya Gyara
Kowane tauraron dan adam yana da kusan 10 ~ 96 transponders daga Quattro LNB na yau da kullun. 20% abun ciki sun shahara a cikin 80% masu biyan kuɗi. Za mu yi amfani da tauraron dan adam Converter (4 masu zaman kansu shigarwa bayanai da daya 950 ~ 2150MHz tauraron dan adam fitarwa) don zaɓar abin da tauraron dan adam ke so zuwa tsarin FTTH. Don yin wannan, muna buƙatar 4pcs GSS32 dCSS masu canza tauraron dan adam don samun matsakaicin 128 transponders (128 User Bands) daga waɗannan tauraron dan adam guda 4 (Don Allah a tuntuɓi Fasaha ta Greatway don jagorar aiki).
Canjin siginar DTT
Ana ba da DTT daga wasu masu aiki a cikin birni kuma hasumiya mai watsa DTT na iya tsayawa a wurare daban-daban na birni. Siginar DTT kusa da hasumiya na DTT na iya yin ƙarfi don shigar da saitin TV kai tsaye. Don guje wa tsangwama iri ɗaya, ana ba da shawarar canza duk mitar mai ɗaukar DTT kafin shigarwar Terr TV na gani. A cikin wannan aikin, akwai masu ɗaukar nauyin RF na ƙasa guda 3: VHF7 da UHF32, UHF36. Muna ba da shawarar yin amfani da mai sauya mitar TV ta ƙasa ta GTC250 don samun sabbin mitocin TV na Terrestrial: VHF8, da UHF33 da UFH31 (Saboda ma'aunin PAL-B/G da fasalin siginar DTT, muna ba da shawarar VHF zuwa VHF da UHF zuwa juyawa UHF. ). GTC250 yana da abubuwan shigar VHF/UHF guda huɗu kuma ɗaya har zuwa matsakaicin 32ch DTT RF fitarwa. 1pcs GTC250 na iya fitar da tsaftataccen ingancin 3ch DTT RF (kowanne a matakin 85dBuV RF) zuwa mai watsawa na gani, tacewa ko toshe siginar wayar hannu ta 4G da 5G.
Mai watsawa na gani
1pcs GLB3500M-4TD DWDM watsawar gani na gani yana karɓar abubuwan shigar tauraron dan adam 4x32UB da shigarwar GTC250 na ƙasa RF guda ɗaya, yana mai da dukkan su sama da 1550nm DWDMSM fiber.
GLB3500M-4TD ya kamata a shigar da watsawar gani na cikin gida. Tsawon kebul na coaxial RG6 daga kowane Quattro LNB zuwa GSS32 mai sauya tauraron dan adam ya kamata ya zama ƙasa da mita 50.s
Na gani Splitter
Tunda duk masu biyan kuɗi na GPON 2800 an haɗa su ta 1x16 splitter, akwai aƙalla ƙungiyoyi 175.
GLB3500M-4TD yana da kusan +9dBm fitarwa ikon, wanda za a bi da 1pcs 1x4 PLC splitter farko. Daga cikin abubuwan da aka fitar na 4 masu rarrabawa, ana haɗa abubuwan fitarwa guda 3 tare da babban ƙarfin 3pcs GWA3500-34-64W bi da bi. 1 fitarwa mai rarrabawa azaman tashar tashar jiran aiki.
Amplifier na gani
Kowane mai karɓar gani na GWA3500-34-64W yana da shigarwar gani na 1550nm guda ɗaya, abubuwan shigar OLT 64, da tashoshin com 64, inda kowane tashar com yana da>+12dBm@1550nm. Ana haɗa kowane tashar tashar com tare da mai raba PON 1x16, yana ba da sit TV da GPON Ethernet.
GWA3500-34-64W ya kamata a shigar da amplifier na gani kusa da GPON OLT ko kusa da cibiyar kebul na fiber. 3pcs GWA3500-34-64W amplifiers na gani suna da tashoshin fitarwa guda 192, ban da tashoshin jiragen ruwa guda 175 da aka haɗa, tashoshin da ba a yi amfani da su azaman tashoshin jiran aiki ba.
Tsohuwar tsarin GPON yakamata a sanya 1x16 splitter. Mun jera su a cikin BOM idan kuna buƙatar 1x16 splitter.
Mai karɓa na gani da GPON ONU
A kowane GPON ONU, muna ba da shawarar amfani da adaftar SC/UPC guda ɗaya da 1 mita duplex SC/UPC zuwa LC/UPC jumper, inda 1 fiber ke canza fiber SC/UPC mai shigowa zuwa LC/UPC zuwa GLB3500M-4RH4-K na gani LNB da sauran suna juyar da madauki da siginar GPON baya zuwa SC/UPC zuwa GPON ONU data kasance.
GLB3500M-4RH4-K yana da tashoshin RF guda huɗu, kowane tashar RF yana ba da abun ciki na tauraron dan adam 4x32UB da TV na ƙasa. Idan akwai fiye da 4 tauraron dan adam dikodi a kowane wuri na GPON ONU, kowane tashar RF na GLB3500M-4RH4-K za a iya haɗa shi ta hanyar tauraron dan adam guda 4 ko 8 don tallafawa masu karɓar tauraron dan adam 16 ko 32, inda tauraron dan adam ya raba. tashar tashar RF ɗaya ta wuce DC kawai. Mai karɓar tauraron dan adam mai haɗawa da tashar wucewa ta DC yana zaɓar 1 daga cikin tauraron dan adam guda huɗu, masu karɓar tauraron dan adam da ke haɗawa a babu tashar tashar DC suna kallon zaɓin abubuwan tauraron dan adam 32UB.
Mai karɓar Tauraron Dan Adam
Mai karɓar tauraron dan adam na yau da kullun yana tallafawa binciken abun ciki na tauraron dan adam da yawa na iya kallon duk abubuwan da ke cikin FTA da rufaffen abun ciki tare da katin CA. Babu buƙatar aiki mara ƙarfi akan mai karɓar tauraron dan adam.
Fiber Jumper
Saboda girman EYDFA mai yawa, za mu iya amfani da haɗin LC/UPC maimakon SC/UPC connector. Ya kamata a sami wasu facin fiber mai tsalle kamar LC/UPC zuwa SC/UPC ko LC/APC zuwa SC/APC.
Don cikakkun bayanai, da fatan za a duba fayil ɗin pdf ko tuntuɓi Fasaha ta Greatway.