ONU(Optical network unit) optical node.ONUe arotsoe ka yuniti e sebetsang ea marang-rang le laebrari ea passive optical network unit.Ka kakaretso, lisebelisoa tse nang le lisebelisoa tsa marang-rang tse kenyeletsang optical receiver, uplink optical transmitter le multiple bridge amplifiers li bitsoa optical node.
ONUMosebetsi
1, Khetha ho amohela data ea khaso e rometsoeng keOLT;
2, Arabela litaelo tse fapaneng le tsa taolo ea matla tse fanoeng keOLT; le ho etsa liphetoho tse lumellanang;
3, Boloka data ea Ethernet ea mosebelisi 'me u e romele holimo ka fensetere ea ho romella e fanoeng keOLT.
ONUThepa
Ikamahanya le IEEE 802.3/802.3ah ka botlalo
·Ho fumana kutlo ho fihla ho -25.5dBm
·Fetisetsa matla ho fihla ho -1 ho ea ho +4dBm
·PON e sebelisa fiber e le 'ngoe ea optical ho hokahanya leOLT, 'me joale eOLTe hokahanya leONU. ONUe fana ka lits'ebeletso tse joalo ka data, IPTV (ke hore, thelevishene e sebetsanang le marang-rang), lentsoe (ho sebelisa IAD, ke hore, Sesebelisoa se Kopanetsoeng sa ho fihlella) le lits'ebeletso tse ling, ka 'nete e hlokomela lits'ebetso tsa "play-play" tse tharo.
·Sekhahla se phahameng ka ho fetisisa sa PON: symmetrical 1Gb/s data e holimo le tlase, lentsoe la VoIP le lits'ebeletso tsa video tsa IP
·ONU"Plug and Play" e ipapisitse le ho sibolloa ha othomathike le tlhophiso
·Mesebetsi ea boemo bo holimo ea litšebeletso (QoS) e ipapisitseng le tefiso ea boemo ba litšebeletso (SLA).
·Bokhoni ba taolo ea hole bo tšehelitsoeng ke mesebetsi e ruileng le e matla ea OAM
·Ho amohela mabone a phahameng a sensitivity le tšebeliso e tlase ea matla a mabone
·Ts'ehetsa mosebetsi oa Dying Gasp