Ma Satellite awiri a DTH pa Fiber

Ndi intaneti yomwe ili padziko lapansi pano, kutsatsa kwamavidiyo komwe akufunidwa kumatenga gawo lalikulu pamsika wazosangalatsa wapa TV. Makanema apa TV apa satellite amatengabe gawo lofunikira pamsika wapa TV wabanja kapena paphwando. Ma Satellite MSO akuyenera kupereka zomwe zili pa TV zabwino kwambiri kuti zikope ndikusunga olembetsa. Mosiyana ndi zomwe zili mu FTA, ma MSO olamulira a satana ali ndi CA zomwe zili pa TV. Ma satellite osiyanasiyana a MSO ali ndi zomwe zawonetsedwa kuti zipikisane pamsika. Olembetsa angakonde kuwonera ma satelayiti angapo pomwe satellite yatsopano ikhoza kukhala ndi zinthu zosiyanasiyana zokopa.

Kukhazikitsa mbale zachikhalidwe kumakhala kovuta kwambiri kuti nyumba imodzi igule mbale zamitundu yambiri. Komabe, ulusi wamtundu kapena ulusi wamumzinda umapangitsa kuti zikhale zosavuta kugawa ma satelayiti awiri kapena ma satelayiti anayi m'nyumba zambiri. Kumbali ina, mwini fiber akhoza kukhala ndi ntchito yowonjezerapo phindu popereka ntchito yogawa satellite. Wolembetsa aliyense wa FTTH amatha kusankha satellite A kapena satelayiti B kapena zonse za satana.

DirecTV ndi Dish, TataPlay ndi Airtel, Sky Mexico ndi Dish Mexico, Nilesat ndi Arabsat, ndi zina zotero, Greatway Technology satellite TV fiber zopangira zimapangitsa kuti ma satelayiti awa azipezeka kunyumba yophimbidwa ndi fiber.

Yankho B1

Kwa satellite MSO yokhala ndi ma transponders ochepera 32, zojambula pamwambapa zimagwira ntchito kwa aliyense wolembetsa wa FTTH kuti asangalale ndi seti imodzi kapena ziwiri zomwe zakhala.Chithunzi cha GLB3500M-2Toptical transmitter amasintha ma LNB RF awiri awiri kuchokera ku ma satellite awiri ndi Terrestrial TV (174 ~ 700MHz) RF kukhala 1550nm fiber imodzi kuchokera padenga la nyumba imodzi. Kutulutsa kwa kuwala kwa GLB3500M-2T kumatha kuyendetsa 32pcs Optical receiver mwachindunji ndi PLC fiber splitter, pomweGLB2000AOptical receiver imapereka chilichonse mwazinthu ziwiri za satellites ndi ma siginecha a Terr TV ku STB imodzi ndi TV m'nyumba imodzi,Zithunzi za GLB3500M-2R4-KOptical receiver imathandizira doko limodzi la Terr TV la ma TV ambiri ndi ma STB 4 m'chipinda chimodzi, STB iliyonse imatha kukhala satellite A STB kapena satellite B STB. Ngati chiwerengero cha olembetsa chikuposa mazana kapena masauzande ammudzi kapena mumzinda, tidzakhala ndi amplifier imodzi.GWA3530pambuyo pa GLB3500M-2T chowulutsira kuwala.GWA3530Optical amplifier ili ndi 8 kapena 16 kapena 32 kapena 64 doko, doko lililonse limatha kuyendetsa 16 kapena 32 kapena 64 olandila optical. Mwanjira ina,GWA3530imatha kuyendetsa zolandila 1024 zolandila kapena zolandila 2048 kapena zolandila 4096 mu mtunda wa 20Km fiber. Ndi doko lolowera la OLT,GWA3530ikhoza kuyika satellite TV RF pa ulusi womwewo wa GPON kapena XGPON network. 

Ubwino wa satellite TV FTTH:

  1. Awiri adakhala mbale kwa olembetsa 32 kapena masauzande ambiri olembetsa
  2. Ubwino wa chizindikiro cha Satellite pamtundu uliwonse wa fiber
  3. Fiber terminal ndiyosavuta kukhazikitsa pakadutsa mphindi 5 popanga "plug and play".
  4. Wolandira satellite wanthawi zonse kuchokera ku Satellite A STB kapena Satellite B STB

Ngati satellite ili ndi ma transponder a satellite opitilira 32, gulu lakumunsi ndi gulu lapamwamba (pansi pa kamvekedwe ka 22KHz) limayambitsidwa ku Quattro LNB kuti likumane ndi ma satellite olandila pafupipafupi 950MHz ~ 2150MHz. Tikukulimbikitsani kukhazikitsa twin wideband LNBChithunzi cha GWB104Gpa satellite dish.Chithunzi cha GWB104GLNB ili ndi ma frequency a 10.4GHz LO ndi ma RF awiri otulutsa ndi bandwidth ya 300MHz ~ 2350MHz, mwachitsanzo, wideband Vertical RF ndi ofanana ndi Vertical Lower (VL) ndi Vertical Higher (VH) pomwe wideband Horizontal RF ikufanana ndi Horizontal Lower (HL) ndi Chopingasa. Wapamwamba (HH). Popeza wideband RF bandiwidth imadutsa RF bandwidth ya satellite receiver, tifunika chip Digital Channel Satellite Switcher (dCSS) kuti tisinthe wideband RF kukhala osiyanasiyana olandila satana. Kuphatikiza apo, wolandila satelayiti ayenera kuthandizira mulingo wosagwirizana.

Yankho B2

M'chijambula pamwambapa,Chithunzi cha GLB3500E-4Toptical transmitter amasintha ma twin wideband LNB RFs kukhala 1550nm fiber kuchokera padenga limodzi. Kutulutsa kwa kuwala kwa GLB3500E-4T kumatha kuyendetsa 32pcs olandila optical mwachindunji kapena masauzande a zolandila ndi GWA3530 amplifier. Panyumba iliyonse, imodziChithunzi cha GLB3500E-4WROptical receiver imathandizira ma satellite 4 olandila ndi amodziChithunzi cha GLB3500E-4WR2Optical receiver imathandizira ma satellite 8 olandila. Aliyense wolandila satelayiti amatha kudziwa zonse zomwe zili mu FTA kuchokera ku ma satelayiti awiriwa komanso zomwe zasungidwa ndi CA khadi.