Re ikemiselitse ho fana ka litšebeletso tse bonolo, tse bolokang nako le tse bolokang chelete hanngoe feela bakeng sa GPON Technology ea LIMEE: Ho Fuputsa Melemo ea Layer 3 OLT le FTTH Optical Terminals, Rea u amohela hore u be karolo ea rona nakong ena ea ho etsa khoebo e ruileng le e behang litholoana hammoho.
Re ikemiselitse ho fana ka litšebeletso tse bonolo, tse bolokang nako le tse bolokang chelete hang-hang bakeng sa bareki.China Olt le Gpon Olt, Ha E hlahisa, e sebelisa mokhoa o moholo oa lefats'e oa ts'ebetso e ka tšeptjoang, theko e tlaase ea ho hlōleha, e loketseng khetho ea bareki ba Jeddah.Khoebo ea rona.E lutse ka har'a litoropo tsa naha tse tsoetseng pele, sephethephethe sa marang-rang ha se na mathata, maemo a ikhethang a sebaka le lichelete.Re hahamalla "ho etsa lintho ka hloko, ho etsa lintho ka hloko, ho fana ka maikutlo, ho etsa filosofi ea k'hamphani".Tsamaiso e tiileng ea boleng bo botle, ts'ebeletso e ntle haholo, litšenyehelo tse theko e tlase ho Jeddah ke boemo ba rona ho potoloha le bahlolisani.Haeba ho hlokahala, o amohelehile ho ikopanya le rona ka leqephe la rona la marang-rang kapa ka therisano ea mohala, re tla thabela ho u sebeletsa.
LM241TW4, dual-mode ONU/ONT, ke e 'ngoe ea XPON optical network units, tšehetso ea GPON le EPON mekhoa e 'meli ea ho ikamahanya le maemo.E sebelisoa ho FTTH/FTTO, LM241TW4 e ka kopanya lits'ebetso tse se nang mohala tse tsamaellanang le litekanyetso tsa tekheniki tsa 802.11 a/b/g/n.E boetse e tšehetsa lets'oao la waelese la 2.4GHz.E ka fa basebelisi ts'ireletso ea ts'ireletso ea phetiso ea data e sebetsang hantle haholoanyane.'Me u fane ka litšebeletso tsa TV tse theko e tlaase ka boema-kepe ba 1 CATV.
XPON ONT ea 4-port e lumella basebelisi ho fihlella koung ea XPON ea inthanete e potlakileng, e arolelanoang le koung ea Gigabit Ethernet.Holimo 1.25Gbps, tlase ho 2.5 / 1.25Gbps, sebaka sa phetisetso ho fihlela ho 20Km.Ka lebelo la ho fihla ho 300Mbps, LM240TUW5 e sebelisa antenna e ka ntle ea omnidirectional ho eketsa marang-rang a marang-rang le kutloisiso, e le hore u ka fumana matšoao a se nang mohala kae kapa kae lapeng kapa ofising ea hau hape u ka hokahanya le TV, e ka ntlafatsang bophelo ba hau.
Q1: Phapano ke efe pakeng tsa EPON GPON OLT le XGSPON OLT?
Phapang e kholo ke hore XGSPON OLT e tšehetsa GPON/XGPON/XGSPON, Lebelo le Lebelo.
Q2: Ke li-ONT tse kae tseo EPON kapa GPON OLT ea hau li ka hokelang ho tsona
A: E ipapisitse le palo ea likou le karolelano ea optical splitter.Bakeng sa EPON OLT, boema-kepe bo le 1 ba PON bo ka hokela ho 64 pcs ONTs boholo.Bakeng sa GPON OLT, 1 PON port e ka hokela ho 128 pcs ONTs boholo.
Q3: Sebaka se seholo sa phetisetso ea lihlahisoa tsa PON ho moreki ke eng?
A: Bohole bohle ba phetisetso ea pon port ke 20KM.
Q4: Na u ka tseba phapang ea ONT & ONU ke efe?
A: Ha ho na phapang ea bohlokoa, ka bobeli ke lisebelisoa tsa basebelisi.U ka boela ua re ONT ke karolo ea ONU.
Q5: FTTH/FTTO ke eng?
FTTH/FTTO ke eng?
Lefatšeng la kajeno la digital-centric, khokahanyo ea inthanete e potlakileng ha e sa le mabothobotho empa ke tlhokahalo.Ha tlhoko ea marang-rang e potlakileng le e tšepahalang e ntse e hola, lik'hamphani tsa likhokahano li ntse li tsoela pele ho hlahloba mahlale a macha ho fihlela litlhoko tsa bareki.Gigabit Passive Optical Network (GPON) ke theknoloji e fetolang indasteri ea marang-rang.Sehloohong sena, re tla hlahloba melemo ea GPON, haholo-holo tšebeliso ea eona ea 16-port, 3-layer OLT le FTTH optical terminals ho ntlafatsa haholo ts'ebetso ea marang-rang le ts'ebetso.
GPON ke meralo ea marang-rang ea fiber-optic e fanang ka lits'ebeletso tsa Marang-rang, lentsoe le livideo tsa lebelo le holimo ho basebelisi ba bolulo le ba khoebo.E sebelisa topology ea point-to-multipoint, e sebelisa li-splitter tsa passive optical ho aba lintlha ho bareki ba bangata ka nako e le 'ngoe.GPON e sebelisa mochine oa lipalangoang oa Layer 2 ho fetisetsa boitsebiso, ho fana ka marang-rang a tsotehang a fihlang ho 2.5 Gbps ho ea tlaase le 1.25 Gbps holimo.
Moko oa marang-rang oa GPON ke optical line terminal (OLT).Bokhoni ba OLT's Layer 3 bo thusa kabo e nepahetseng ea lisebelisoa tsa marang-rang le ho tsamaisa liphutheloana tse bohlale.Ka OLT e ts'ehetsang bokhoni ba Layer 3, bafani ba mehala ea mehala ba ka netefatsa sephethephethe se ntlafalitsoeng, ba fokotsa tšubuhlellano, le ho ntlafatsa ts'ebetso ea marang-rang.Ho feta moo, Layer 3 OLTs e fana ka likarolo tse tsoetseng pele tsa ts'ireletso tse kang ho sefa IP le tšireletso ea firewall ho sireletsa marang-rang ho tsoa lits'oso tse ka bang teng.
Moetso oa fiber-to-the-hae (FTTH) o nolofalloa ke theknoloji ea GPON 'me o sebelisa li-terminals tsa fiber optic ho fana ka likhokahano tsa fiber tse tobileng malapeng kapa likhoebong ka bomong.E na le likou tse ngata tsa 16, lisebelisoa tsena tse nyenyane, tse nang le lik'hemik'hale li ka sebetsana habonolo le kabo le ho felisoa ha matšoao a optical, ho netefatsa hore ho na le khokahanyo e se nang moeli ho pholletsa le marang-rang.FTTH optical terminals sebetsa e le borokho pakeng tsa optical fiber le Ethernet, ho nolofalletsa phetiso ea data e potlakileng le lits'ebeletso tse tšepahalang tsa mehala.
GPON e na le melemo e mengata ha e kopantsoe le li-terminals tse tharo tsa OLT le FTTH Optical.Taba ea pele, e fana ka bokhoni bo ke keng ba lekanngoa ba bandwidth ho fihlela litlhoko tsa data tse ntseng li hola tsa bareki.Theknoloji e boetse e fokotsa tšebeliso ea matla, e etsa hore e be tharollo e se nang botsoalle.Ho feta moo, scalability ea GPON e thusa katoloso ea marang-rang e theko e tlaase le meaho ea bopaki ba nako e tlang.
Ka bokhutšoane, motsoako oa 16-port, OLT-layer OLT le FTTH Optical terminal o fetotse indasteri ea Broadband ka ho feletseng.Theknoloji ea GPON e tlisa khokahanyo e potlakileng, taolo e nepahetseng ea lisebelisoa le ts'ireletso e ntlafetseng ho marang-rang a puisano.Ka ho amohela GPON, bafani ba litšebeletso ba ka fa bareki ba bona litšebeletso tsa Inthanete tse se nang moeli, lentsoe le livideo tse finyellang le ho feta litebello tsa bona nakong ena ea digital.
Tlhaloso ea Hardware | ||
NNI | GPON/EPON | |
UNI | 1x GE(LAN) + 3x FE(LAN) + 1x POTs(boikhethelo) + 1x CATV + WiFi4 | |
PON Interface | Standard | GPON: ITU-T G.984EPON: IEE802.3ah |
Sehokelo sa Optical Fiber | SC/APC | |
Ho sebetsa Wavelength(nm) | TX1310, RX1490 | |
Phetiso ea Matla (dBm) | 0 ~ +4 | |
Ho fumana kutlo(dBm) | ≤ -27(EPON), ≤ -28(GPON) | |
Internet Interface | 1 x 10/100/1000M puisano e iketsang1 x 10/100M puisano e iketsangMokhoa o felletseng/halofo oa duplexAuto MDI/MDI-XSehokelo sa RJ45 | |
POTS Interface (khetho) | 1 x RJ11ITU-T G.729/G.722/G.711a/G.711 | |
WiFi Interface | Tekanyetso: IEEE802.11b/g/nKhafetsa: 2.4–2.4835GHz(11b/g/n)Li-antenna tsa ka ntle: 2T2RPhaello ea Antenna: 5dBiSekhahla sa Letšoao: 2.4GHz Ho fihla ho 300MbpsWireless: WEP/WPA-PSK/WPA2-PSK、WPA/WPA2Tlhaloso: QPSK/BPSK/16QAM/64QAMBoikutlo ba ho Receiver:11g: -77dBm@54Mbps 11n: HT20: -74dBm HT40: -72dBm | |
Sebopeho sa Matla | DC2.1 | |
Phepelo ea motlakase | 12VDC/1A adaptara ea matla | |
Boima le Boima | Boima ba Ntho:167mm(L) x 118mm(W) x 30mm (H)Boima ba Ntho: hoo e ka bang 230g | |
Litlhaloso tsa Tikoloho | Mocheso oa ho sebetsa: 0oC ~ 40oC (32oF~104oF)Mocheso oa polokelo: -40oC ~ 70oC (-40oF~158oF)Mongobo o sebetsang: 5% ho isa ho 95% (Ha e fokotsehe) | |
Tlhaloso ea Software | ||
Tsamaiso | Taolo ea ho fihlella, Tsamaiso ea Sebaka, Tsamaiso ea Remote | |
Mosebetsi oa PON | Ho iphumanela ka boits'oaro/Ho lemoha sehokelo/software ea ntlafatso ea remoutu ØNetefatso ea Auto/MAC/SN/LOID+PasswordKabo ea Bandwidth e Matla | |
Lera 3 Mosebetsi | IPv4/IPv6 Dual Stack ØNAT ØDHCP moreki/seva ØMoreki oa PPPOE/Tsela ea ho feta ØTsela e tsitsitseng le e matla | |
Mosebetsi oa Lera 2 | Ho ithuta aterese ea MAC ØTekanyetso ea akhaonto ea ho ithuta ea aterese ea MAC ØKhatiso ea sefefo sa phatlalatso ØVLAN transparent/tag/translate/trunktlamahanong | |
Multicast | IGMPv2 ØVLAN ea IGMP ØIGMP transparent/Snooping/Proxy | |
VoIP | Tšehetsa SIP Protocol | |
Wireless | 2.4G: 4 SSID Ø Ø2 x 2 MIMO ØKhaso ea SSID / pata Khetha | |
Tshireletso | DOS, SPI FirewallSefe ea Aterese ea IPSefe ea Aterese ea MACSesefa sa Domain IP le Aterese ea MAC e Tlamang | |
Tlhaloso ea CATV | ||
Sehokelo sa Optical | SC/APC | |
RF, matla a optical | -12~0dBm | |
Optical e amohelang wavelength | 1550nm | |
RF frequency range | 47 ~ 1000MHz | |
Boemo ba tlhahiso ea RF | ≥ 75+/-1.5 dBuV | |
Sehlopha sa AGC | 0~-15dBm | |
MER | ≥ 34dB(-9dBm optical input) | |
Tahlehelo ea ho bonahatsa sephetho | >14dB | |
Litaba tsa Sephutheloana | ||
Litaba tsa Sephutheloana | 1 x XPON ONT, 1 x Tataiso ea ho Kenya Ka Potlako, 1 x Adapter ea Matla |