I-GPON OLT MA5683T Itheminali yomugqa wokubuka

Izici Eziyinhloko

Ukuhlanganiswa nokufinyelela ukuhlanganiswa

• Inikeza super enkulu convergence ushintsha umthamo.Ngokukhethekile, idivayisi yochungechunge lwe-MA5600T isekela umthamo wendiza engu-1.5 Tbit/s, umthamo wokushintsha ongu-960 Gbit/s, namakheli angu-512,000 we-MAC.
• Inikeza super-high-density cascading amandla.Ngokucacile, idivayisi ye-MA5683T isekela ubukhulu bezinsizakalo ezingu-24 x 10GE noma 288 GE, ngaphandle kokushintsha okungeziwe.

Ukuthembeka okuphezulu

• Ihlinzeka ngamakhono okuxhumana athembeke kakhulu futhi iqinisekisa ikhophi yasenqolobaneni eshisayo ye-OLT, ukubekezelela izinhlekelele kude, nokuthuthukiswa kwesevisi ngaphandle kokuphazamiseka.
• Ihlinzeka ngemisebenzi Ephelele Yekhwalithi Yesevisi (i-QoS) futhi isekela ukuphathwa kwezigaba zethrafikhi, ukulawula okubalulekile, nokulawulwa komkhawulokudonsa.Umsebenzi we-Hierarchical-Quality of Service (H-QoS) uhlangabezana nezidingo ezahlukahlukene Zesivumelwano Sezinga Lesevisi (i-SLA) zamakhasimende ezentengiso.
• Ihlinzeka ngedizayini ethembeke kakhulu e-End-to-End (E2E), evumela i-Bidirectional Forwarding Detection (BFD), i-Smart Link, isixhumanisi
I-Aggregation Control Protocol (i-LACP) isivikelo sokuphinda sisetshenziswe kanye nokuvikela umugqa wohlobo lwe-GPON B/uhlobo C endaweni ekhuphuka nomfula.

Ukufinyelela kwezimo eziningi

•Isekela ukufinyelela kwezinsiza eziningi ze-E1 eziyimfihlo, kanye nomsebenzi we-Native Time-Division Multiplexing (TDM) noma I-Circuit Emulation Service over Packet (CESoP)/ Structure-Agnostic TDM over Packet (SAToP) function.
• Isekela umsebenzi we-Emulated Local Area Network (ELAN) kanye ne-Virtual Local Area Network (VLAN) okusekelwe ukushintshana kwethrafikhi yangaphakathi, ibhizinisi elenelisayo nezidingo zezinhlelo zokusebenza zenethiwekhi yomphakathi.
• Isekela ukufinyelela okungahlangani kwabasebenzisi bethelevishini ye-Internet Protocol (IPTV).I-subrack eyodwa isekela abasebenzisi abangu-8,000 be-multicast kanye namashaneli angu-4,000 okusakaza okuningi.

Ukuziphendukela kwemvelo okubushelelezi

•Isekela i-GPON, i-10G Passive Optical Network (PON), kanye ne-40G PON endaweni yesikhulumi, evumela ukuguquguquka okushelelayo nokufinyelela ukufinyelela komkhawulokudonsa omkhulu.
• Isekela izitaki ezimbili ze-IPv4/IPv6 kanye nokusakaza okuningi kwe-IPv6, okuvumela ukuvela okubushelelezi ukusuka ku-IPv4 kuye ku-IPv6.

Ukonga amandla

• Isebenzisa ama-chips akhethekile ukonga amandla.Ngokukhethekile, izimbobo eziyi-16 ebhodini le-GPON zisebenzisa amandla angaphansi kuka-73 W.
• Isekela ibhodi elingenzi lutho ukucisha amandla okuzenzakalelayo kanye nokulungiswa kwesivinini sabalandeli okuhlakaniphile, kwehlisa ngempumelelo ukusetshenziswa kwamandla okungenzi lutho kwebhodi.

Amandla okufinyelela e-GPON/EPON anamandla ahlanganisiwe

1. Amandla okufinyelela e-EPON 

Iphuzu eliya ku-multi-point (P2MP) i-architecture isetshenziselwa ukusekela i-passive optical

ukudluliswa kwe-Ethernet.Amazinga alinganayo akhuphuka nomfula angu-1.25 Gbit/s asekelwa ukuze kuhlinzekwe ngamasevisi e-broadband esivinini esikhulu, ahlangabezane nomkhawulokudonsa.

izidingo zabasebenzisi bokufinyelela.

Ngaphansi komfula, umkhawulokudonsa wabiwa ngabasebenzisi abahlukene kokubethelwe

imodi yokusakaza.Ekuqondeni komfula, i-time division multiplex(TDM) isetshenziselwa ukwabelana ngomkhawulokudonsa.

Uchungechunge lwe-MA5683T lusekela ukunikezwa komkhawulokudonsa oguqukayo (DBA) nobumbudumbudu obungu-64 kbit/s.Ngakho-ke, umkhawulokudonsa wabasebenzisi betheminali ye-ONT ungabiwa ngokuguquguqukayo ngokuya ngezidingo zomsebenzisi.

Uhlelo lwe-EPON lisebenzisa ubuchwepheshe bokudlulisa optical passive, futhi isihlukanisi esibonakalayo sisebenzisa imodi ye-P2MP futhi sisekela isilinganiso sokuhlukaniswa esingu-1:64.

Ibanga lokudlulisela elisekelwayo lifika ku-20 km.

Ubuchwepheshe obuhlukahlukene bungahlelwa ngokwehlukana, ukuhlukahluka okuzenzakalelayo, noma ukuhlukahluka kokuqala.

Amandla okufinyelela e-GPON

Izinga eliphezulu liyasekelwa.Izinga lomfula ongezansi lifika ku-2.488 Gbit/s futhi izinga lomfula okhuphukayo lifika ku-1.244 Gbit/s.

Ibanga elide liyasekelwa.Ibanga eliphezulu lokudluliswa ngokomzimba kwe-ONT ngu-60 km.Ibanga elingokoqobo phakathi kwe-ONT ekude kakhulu ne-ONT eseduze lingaba ngu-20 km.

Ukuhlukaniswa okuphezulu kuyasekelwa.Ibhodi lokufinyelela le-GPON enamachweba angu-8 lisekela isilinganiso sokuhlukaniswa esingu-1:128, esikhulisa umthamo futhi silondoloze izinsiza zefiber optical.

Ukuminyana okuphezulu kusekelwa.Uchungechunge lwe-MA5683T lunikeza ukufinyelela kwe-GPON ye-8-port noma 4-port

ibhodi ukwandisa umthamo wesistimu.

Umsebenzi we-H-QoS (ikhwalithi yesevisi ye-hierarchical) uyasekelwa ukuze uhlangabezane ne-SLA

izidingo zamakhasimende ahlukahlukene ezentengiselwano.

Amandla we-QoS anamandla

Uchungechunge lwe-MA5683T luhlinzeka ngezisombululo ezilandelayo ezinamandla ze-QoS ukwenza lula

ukuphathwa kwezinsizakalo ezahlukahlukene:

Isekela ukulawulwa kokubalulekile (okusekelwe embobeni, ikheli le-MAC, ikheli le-IP, i-ID yembobo ye-TCP, noma i-ID yembobo ye-UDP), ukubeka kuqala imephu nokuguqulwa okusekelwe kunkambu ye-ToS no-802.1p, kanye namasevisi ahlukene e-DSCP.

Isekela ukulawulwa komkhawulokudonsa (ngokusekelwe echwebeni, ikheli le-MAC, ikheli le-IP, i-ID yembobo ye-TCP, noma

I-ID yembobo ye-UDP) enembudumbudu yokulawula engu-64 kbit/s.

Isekela izindlela ezintathu zokuhlela ulayini: ulayini obalulekile (PQ), i-robin eyindilinga enesisindo (WRR), ne-PQ+WRR.

Isekela i-HQoS, eqinisekisa umkhawulokudonsa wezinsizakalo eziningi kubasebenzisi abaningi: Izinga lokuqala liqinisekisa umkhawulokudonsa womsebenzisi, futhi izinga lesibili liqinisekisa umkhawulokudonsa wesevisi ngayinye yomsebenzisi ngamunye.Lokhu kuqinisekisa ukuthi umkhawulokudonsa oqinisekisiwe wabiwe ngokuphelele futhi umkhawulokudonsa oqhumayo wabiwa ngendlela efanele.

Izinyathelo eziphelele zokuqinisekisa ukuphepha

Uchungechunge lwe-MA5683T luhlangabezana nezimfuneko zokuphepha zezinsizakalo zokuxhumana ngocingo, lusebenzisa ngokugcwele izivumelwano zokuphepha, futhi luqinisekise ngokugcwele ukuphepha kohlelo nomsebenzisi.

1. Isilinganiso sokuphepha sesistimu

Ukuvikelwa ekuhlaselweni kwe-DoS (ukunqatshelwa kwesevisi).

I-MAC (ukulawula ukufinyelela kwemidiya) ukuhlunga ikheli

Ukuhlasela kwephakethe le-Anti-ICMP/IP

Ukuhlunga umzila wekheli lomthombo

Uhlu oluvinjelwe

2. Isilinganiso sokuphepha somsebenzisi

I-DHCP (i-Dynamic Host Configuration Protocol) Inketho 82 yokuthuthukisa ukuphepha kwe-DHCP

Ibophezela phakathi kwamakheli e-MAC/IP nezimbobo

I-Anti-MAC spoofing kanye ne-anti-IP spoofing

Ukufakazela ubuqiniso ngokusekelwe kunombolo ye-serial (SN) kanye nephasiwedi ye-ONU/ONT

Ukubethela kwe-churning kathathu

Ukudluliswa kokusakaza okubethelwe ekuqondeni komfula we-GPON kubasebenzisi abahlukene,

njenge-AES (izinga lokubethela elithuthukisiwe) ukubethela okungu-128-bit

I-GPON yohlobo lwe-B OLT okumbaxambili

Isixhumanisi esihlakaniphile nesixhumanisi sokuqapha senethiwekhi eneziteshi ezimbili ezikhuphukayo

I-Flexible network topology

Njengenkundla yokufinyelela yezinsiza eziningi, uchungechunge lwe-MA5683T lusekela izindlela zokufinyelela eziningi kanye nezihloko eziningi zenethiwekhi ukuze kuhlangatshezwane nezidingo ze-topology yenethiwekhi yabasebenzisi ngezindlela ezahlukene.

imvelo nezinkonzo.

Idizayini yokwethembeka kwesigaba senkampani yenethiwekhi

Ukuthembeka kwesistimu yochungechunge lwe-MA5683T kuyacatshangelwa ohlelweni,

i-hardware, nemiklamo yesofthiwe ukuqinisekisa ukuthi idivayisi isebenza esimweni esivamile.I

Idatha ye-MA5683T

Ihlinzeka ngemisebenzi yokuvikela umbani kanye neyokunqanda ukuphazamiseka.

Isekela isexwayiso esinephutha kumayunithi aphelele (asetshenzisiwe) nezingxenye, njengefeni,

ukunikezwa kwamandla, nebhethri.

Ukuvikelwa okungu-1+1 (uhlobo B) kwembobo ye-PON kanye nokushintshwa kokuvikelwa kwesevisi yezinga elingu-50 ms ku-backbone optical fiber kuyasekelwa.

Isekela ukuthuthukiswa kwangaphakathi kwesevisi.

Isekela ukutholwa kwezinga lokushisa eliphezulu ukuze kuqinisekiswe ukuphepha kwesistimu.

Imisebenzi yokubuza izinga lokushisa lebhodi, ukusetha umkhawulo wezinga lokushisa, nokuvalwa kwezinga lokushisa eliphezulu kuyasekelwa.

Yamukela ikhophi yasenqolobaneni engu-1+1 yebhodi lokulawula kanye nebhodi lokusebenzelana elikhuphukayo.

Isekela ukushintshashintsha okushisayo kwawo wonke amabhodi wesevisi namabhodi okulawula.

Ihlinzeka ngesekhethi eqala kancane, isekethe evikelayo, ukuvikelwa komkhawulo wamanje, nokuvikelwa kwesekethe emfushane

ukuze uthole amandla okufaka amabhodi ku-subrack ukuvikela amabhodi ngokumelene nokushaywa kombani nokukhuphuka.

Isekela GPON uhlobo B/uhlobo C OLT dual homing.

Isekela isixhumanisi esihlakaniphile futhi iqaphe isixhumanisi senethiwekhi eneziteshi ezimbili ezikhuphukayo.

Imininingwane Yezobuchwepheshe

Ukusebenza kwesistimu

Umthamo we-backplane: 3.2 Tbit / s;amandla okushintsha: 960 Gbit / s;Umthamo wekheli le-MAC: 512K Isendlalelo 2/Isendlalelo sesi-3 sokudlulisela phambili isilinganiso somugqa

Imodi yokuvumelanisa iwashi le-BITS/E1/STM-1/Ethernet kanye nemodi yokuvumelanisa yewashi le-IEEE 1588v2

Ibhodi lokufinyelela le-EPON

Yamukela idizayini yebhodi elingu-4-port noma le-8-port high-density board.

Isekela i-SFP plugable optical module (PX20/PX20+ imojuli yamandla iyakhethwa).

Isekela isilinganiso esiphezulu sokuhlukaniswa esingu-1:64.

Inikeza amandla okucubungula ukusakaza okungu-8 k.

Isekela ukutholwa kwamandla okubona.

Yamukela ubuchwepheshe bokucubungula ithrafikhi eyingqayizivele ukuze ihlangabezane nemfuneko yokucubungula

ama-VLAN ahlukahlukene.

Ibhodi lokufinyelela le-GPON

Yamukela umklamo webhodi le-GPON lamachweba angu-8.

Isekela i-SFP plugable optical module (i-class B/class B+/class C+ power module is

okuthandwayo).

Isekela amachweba we-GEM angu-4 k kanye nama-T-CONT angu-1.

Isekela isilinganiso esiphezulu sokuhlukaniswa esingu-1:128.

Isekela ukutholwa nokuhlukaniswa kwe-ONT esebenza kumodi eqhubekayo.

Isekela imodi yokusebenza ye-DBA eguquguqukayo, kanye nokubambezeleka okuphansi noma ukusebenza kahle komkhawulokudonsa ophezulu

imodi.

100M Ethernet P2P ibhodi lokufinyelela

Isekela izimbobo ezingama-48 FE kanye nemojula ye-SFP exhumeka kalula ebhodini ngalinye.

Isekela i-single-fiber bidirectional optical module.

Isekela i-ejenti edluliselwe ye-DHCP engu-82 kanye ne-ejenti edluliselwe ye-PPPoE.

Isekela i-Ethernet OAM.

Ubukhulu be-Subrack (Ububanzi x Ukujula x Ubude)

I-subrack ye-MA5683T: 442 mm x 283.2 mm x 263.9 mm

Indawo okugijima kuyo

Izinga lokushisa elisebenzayo le-ambient: -25°C ukuya +55°C

Okokufaka kwamandla

-48 VDC kanye nezimbobo zokufaka amandla amabili (asekelwe)

Ibanga lamandla okusebenza: -38.4 V ukuya ku-72 V

Imininingwane