Kwintsimi yonxibelelwano lwanamhlanje, iteknoloji yePassiveOptical Network (PON) ithe ngokuthe ngcembe yathatha indawo ebalulekileyo kuthungelwano lonxibelelwano oluqhelekileyo kunye neenzuzo zayo zesantya esiphezulu, umgama omde kwaye akukho ngxolo.Phakathi kwazo, i-GPON, i-XG-PON kunye ne-XGS-PON zezona zichaphazelekayo iteknoloji yenethiwekhi ye-optical network.Zineempawu zazo kwaye zisetyenziswa ngokubanzi kwiimeko ezahlukeneyo.Eli nqaku livavanya umahluko ophambili phakathi kobu buchwepheshe buthathu ngokweenkcukacha ukunceda abafundi baqonde ngcono iimpawu zabo kunye neemeko zosetyenziso.
I-GPON, igama elipheleleyo le-Gigabit-CapablePassive OpticalNetwork, iteknoloji ye-optical network ye-passive ecetywayo kuqala ngumbutho we-FSAN ngo-2002. Emva kweminyaka emininzi yophuhliso, i-ITU-T yamisela ngokusemthethweni ngo-2003. I-GPON iteknoloji ye-intanethi ye-intanethi yokufikelela kwimarike, engakwazi ukubonelela ngedatha ephezulu kunye nomthamo omkhulu, ilizwi kunye neenkonzo zevidiyo kwiintsapho kunye namashishini.
Iimpawu zeteknoloji yeGPON zezi zilandelayo:
1. Isantya: izinga lokuhanjiswa kwe-downstream yi-2.488Gbps, izinga lokuhambisa phezulu yi-1.244Gbps.
2. Shunt ratio: 1:16/32/64.
3. Umgama wothumelo: umgama omkhulu wothumelo yi-20km.
4. Ifomathi ye-encapsulation: Sebenzisa i-GEM (i-GEM Encapsulation Method) ifomathi ye-encapsulation.
5. Indlela yokukhusela: Yamkela i-1+1 okanye i-1:1 indlela yokutshintsha ukhuselo olungenakwenziwa.
I-XG-PON, igama elipheleleyo le-10Gigabit-CapablePassive OpticalNetwork, isizukulwana esilandelayo seteknoloji ye-GPON, eyaziwa ngokuba yisizukulwana esilandelayo se-passive optical network (NG-PON).Xa kuthelekiswa ne-GPON, i-XG-PON inokuphuculwa okuphawulekayo kwisantya, umlinganiselo we-shunt kunye nomgama wokuhambisa.
Iimpawu zeteknoloji ye-XG-PON zezi zilandelayo:
1. Isantya: Isantya sokudluliselwa kwe-Downlink yi-10.3125Gbps, izinga lokudluliselwa kwe-uplink yi-2.5Gbps (i-uplink ingaphinda iphuculwe kwi-10 GBPS).
2. Shunt ratio: 1:32/64/128.
3. Umgama wothumelo: umgama omkhulu wothumelo yi-20km.
4. Ifomathi yephakheji: Sebenzisa i-GEM/10GEM ifomathi yephakheji.
5.Indlela yokukhusela: Yamkela i-1+1 okanye i-1: i-1: i-passive yokutshintsha indlela yokutshintsha.
I-XGS-PON, eyaziwa ngokuba yi-10GigabitSymmetric Passive OpticalNetwork, inguqulelo ye-symmetric ye-XG-PON, eyenzelwe ukubonelela ngeenkonzo zokufikelela kwi-broadband kunye namazinga alinganayo okunyusa kunye nokuhla.Xa kuthelekiswa ne-XG-PON, i-XGS-PON inokwanda okukhulu kwisantya se-uplink.
Iimpawu zeteknoloji ye-XGS-PON zezi zilandelayo:
1. Isantya: Izinga lokuhambisa elisezantsi li-10.3125Gbps, izinga lokuhambisa elinyukayo liyi-10 GBPS.
2. Shunt ratio: 1:32/64/128.
3. Umgama wothumelo: umgama omkhulu wothumelo yi-20km.
4. Ifomathi yephakheji: Sebenzisa i-GEM/10GEM ifomathi yephakheji.
5. Indlela yokukhusela: Yamkela i-1+1 okanye i-1:1 indlela yokutshintsha ukhuselo olungenakwenziwa.
Ukuqukumbela: I-GPON, i-XG-PON kunye ne-XGS-PON ziintekhnoloji ezintathu eziphambili ze-passive network optical network.Zinokwahlukana okucacileyo kwisantya, umlinganiselo we-shunt, umgama wothumelo, njl., ukuhlangabezana neemfuno zeemeko ezahlukeneyo zesicelo.
Ngokukodwa: I-GPON yenzelwe imarike yokufikelela kwinethiwekhi, ibonelela ngesantya esiphezulu, idatha enkulu, ilizwi kunye nevidiyo kunye nezinye iinkonzo;I-XG-PON yinguqulelo ephuculweyo ye-GPON, enesantya esiphezulu kunye nomlinganiselo oguquguqukayo we-shunt.I-XGS-PON igxininisa i-symmetry yezinga eliphezulu kunye nezantsi kwaye ifanelekile kwizicelo zenethiwekhi zontanga.Ukuqonda umahluko ophambili phakathi kobu buchwepheshe buthathu kusinceda ukuba sikhethe isisombululo esifanelekileyo sothungelwano lweemeko ezahlukeneyo.
Ixesha lokuposa: Apr-24-2024