Hajoale, IPTV, basebetsi ba bararo ba ka sehloohong ba likhokahano tsa mehala, e lula e kenella 'marakeng oa cable TV oa basebelisi ba setso ba seea-le-moea le thelevishene.Basebelisi ba seea-le-moea le thelevishene ba tobane le tahlehelo e kholo ea basebelisi, 'me phetoho ea tsoelo-pele ea seea-le-moea le thelevishene e haufi.Ho ka boleloa hore mang kapa mang ea laolang kamore ea ho phomola o tšoara basebelisi.Khoebo ea mantlha ea li-radio le lithelevishene e kenyelletsa lits'ebeletso tsa seea-le-moea le thelevishene le lits'ebeletso tsa data tse peli (ho fumana marang-rang/VOD/IPTV/e-government/interactive games) hammoho le litšebeletso tsa Broadband.Ka hona, ho hahoa ha FTTH bakeng sa seea-le-moea le thelevishene ka mokhoa o ke keng oa qojoa ho kenyelletsa kaho ea FTTH bakeng sa litšebeletso tsa seea-le-moea le thelevishene le kaho ea FTTH bakeng sa litšebeletso tsa data tse peli.Ho kopanya lisebelisoa tse teng tsa seea-le-moea le thelevishene, ts'ebetsong ea FTTH haholo-holo e amohela tharollo ea hona joale e ka sehloohong indastering: single fiber three wave + broadband access solution.Kajeno, mohlophisi o tla u hlalosetsa haholo-holo.
Sekemeng sa phihlello ea litšebeletso tsa fiber three wave+broadband, theONUkarolo ea data ea katse ea optical e sebelisa matšoao a 1310nm/1490nm, leONUKarolo ea CATV e sebelisa mats'oao a mahlo a 1550nm.Ka phaposing e ka pele ea seea-le-moea le thelevishene, thepa ea WDM wavelength division multiplexing e kopanngoa le thapo ea fiber optic, ebe e feta ka phetiso le karohano ea optical ea maemo a fapaneng a lisebelisoa tsa ODN pele e fihla lapeng la mosebelisi.HoONUOptical cat unit ea lehae la mosebelisi, fiber e le 'ngoe e meraro ea waveONUCATV e ntlafalitsoeng ke k'hamphani ea rona e sebelisoa, Ke hore, data + CATV optical le mechanical two ho GPON e le 'ngoe.ONU, e ka hlahisang ka ho toba lipontšo tsa thelevishene le matšoao a data a Broadband.Ka nako e ts'oanang, basebetsi ba seea-le-moea le thelevishene ba ka boela ba hlahisa basebelisi ba marang-rang ba marang-rang ho latela morero ona, ba finyella tlhahiso ea chelete e ngata ea litšebeletso, le ho fokotsa litšenyehelo tsa kaho ea marang-rang.
Melemo ea "single fiber three wave access scheme" ke e latelang:
1. Tsamaiso ea ho qetela: Ka lebaka la mohaho oa marang-rang oa ho qetela oa fiber e le 'ngoe, ho bonolo haholo ho laola.ONUlikatse tsa mahlo.Baokameli ba marang-rang ba ka kenya ts'ebetsong lits'ebetso tse kang kabo ea lits'ebeletso tse hole, ho lokisa liphoso, le ho bula / ho koala lits'ebeletso tsa CATV ka lisebelisoa tsa OLT tse ka pele.
2. Litšenyehelo tse tlaase tsa ODN: Hobane lipontšo tsa TV tse phatlalatsoang le matšoao a data a Broadband a fetisoa ka fiber e tšoanang ea 'mele, morero ona o fokotsa haholo litšenyehelo tsa kaho ea lisebelisoa tsa ODN ho tloha ka pele-pele ho ea lehaeng la mosebedisi.
Setšoantšo sa topology ea sistimi