Mukupindura kumatambudziko echigadzirwa akasangana nevatengi vedu, kambani yedu R&D mainjiniya anozoburitsa zvakare matambudziko nezve XPON.ONU/GPONONUzvigadzirwa zvinoenderana nezvinodiwa nemutengi, uye kana zvichidikanwa, zvakare inoburitsa nharaunda yekushandisa yemutengi uye kuita bvunzo yekurembera murabhoritari yedu yeR&D. Theoltmidziyo yekambani yedu ichashandiswawo panguva yekuyedzwa, uye software yekusimudzira basa uye bug kubata ichaitwa pairi.
Tichanyora zvigadzirwa pasi pekuyedzwa, senge XPONONU/GPONONU, kugadzira danda regomo. Mugomo regiyo, simba remaziso revakangwaraONUkana chinongedzo chefiber optical chicharekodhwa. Patinoedza vhezheni itsva yemutyairi pasi peGPONOLTuye EPONOLT: SFU PPPOE untagged dialing pasi peGPON panguva ino inongoda kunyoresa uye kugadzirisa sevhisi, pasina murairo we ont port vlan 1 18 eth 1 pachena.
Kubva pane yako 8-port yakangwara kutauriranaONUOptical katsi module mugadziri
2. AboutOLTEquipment Maintenance
Apo iyoOLTmudziyo unosanganisira SFU sevhisi kumisikidzwa, kana iyoONUmhando ndeye SFU, uye iyoONULAN port inowana iyo IP kero yakapihwa nekumusoro layer gedhi, iwe unofanirwa kuwedzera iyo VLAN kumisikidzwa yeinoenderana port ZXAN (config) # pon-onu-ng gpon-onu_ 1/2/1: 6. ZXAN(gpon-onu). -mng 1/2/1:6)#vlan port eth_ 0/1 mode tag vlan 100
Nezve CATV sevhisi kumisikidzwa, tarisa kuneONUrutsigiro kudzora CATVchinjaON/OFF kuburikidza neOMCI (ME82)
ZXAN(config)#pon-onu-mng gpon-onu_ 1/2/1:6
ZXAN(gpon-onu-mng 1/2/1:6)#interface vhidhiyo vhidhiyo_ 0/1 kukiya mamiriro
ZXAN(gpon-onu-mng 1/2/1:6)#interface vhidhiyo vhidhiyo_ 0/1 kiinura
Kubva mukamuri yako yekufoneraOLTmugadziri wemidziyo!
3. XPONONUyakabatana netiweki tekinoroji sumo
XPONONUtekinoroji ichiri kusimukira, uye kushandiswa kwayo muChina kuri kuwedzera zvishoma nezvishoma. China Telecom yakagadzira mwero. Mukugadzirisa zvishoma nezvishoma chiyero, nekuda kwekushandiswa kwakafanana uye kuiswa kweDSL uye XPONONU, ruzivo rwekutungamira uye tekinoroji mumunda weDSL zvakashandiswa zvakasarudzwa kuti zvireve. TR101 inomiririra inotevera budiriro maitiro uye tekinoroji / manejimendi zvinodiwa mumunda weDSL, uye CTC XPON.ONUvachadzidza zvakawanda kana zvishoma kubva mairi
Maitiro ekutama kubva kuATM-based DSL network (TR059) kuenda kuEthernet-based DSL network
Ipa yakakwira bandwidth uye akapfuma IP masevhisi (Vhidhiyo, VOIP, Mitambo, L2VPN/IPVPN, nezvimwewo)
Zvirinani IP QOS
Kusanganisira tekinoroji uye manejimendi zvinodiwa zveakakosha mabasa akadai seVLAN, QOS, Multicast, nezvimwe
4. 10G GPONONUTechnical Basics
Kuvandudzwa kwakajairwa kwe10G GPONONU:
(1) FSAN inoparadzanisa chizvarwa chinotevera PON mumatanho maviri: NGA1 inobva paTDMA PON kuti iite kukurumidza. Kumhanya kwayo kunotsanangurwa se10Gbps. NGA2 inhaurirano yezvimwe zvinogoneka kuvandudzwa tekinoroji uye zvimwe zvibodzwa zvisina kujeka zveNG-PON1. Semuenzaniso, WDM PON, OFDM, etc. NG-PON inogona kushandiswa zvakanaka kuFTTx, sevashandi vebhizimisi, vashandisi vega uye mobile backhaul.
(2)ITU NGA1 XGPON1： 10G GPON Asymmetric：Rakabudiswa G.987.1&G.987.2 ; G.987.3&G. 988 yakaburitswa muna Chikumi 2010.ITU NGA1 XGPON2： 10G GPON Symmetric:Nhaurirano inotanga muna 2010.Q1. Imwe mukana ndeyekupfuura symmetric 10G GPON uye yakananga kutama kuenda NGA2.
5. Kuvakwa kweOLTmidziyo yekukodha chiteshi nharaunda
Isu tiriOLTmugadziri wemidziyo, uye kuvakwa kwezvakatipoteredza kweiyo coding station kuchabatanidzwa mukamuri yedu yekufonera.
Nezve kuvakwa kwezvakatipoteredza kweTftpd32 software:
1. Isai serial tambo muOLTchigadzirwa. Sezvinoratidzwa mumufananidzo uri pazasi: iyo yepamusoro link ndiyo serial port tambo, uye yakaderera link itambo yetiweki.
2. Vhura komputa uye sarudza “Tftpd32″ software.
3. Sarudza faira yemunharaunda iyo Tftpd32 yakaiswa.
OLT mudziyo kodhi nyora-v8 software nharaunda kuvaka
1. SarudzaOLTnyora-v8 software, tinya kurudyi kuti uvhure faira rayo nzvimbo.
2. Gadziridza faira rinoenderana nekusimudzira zvinoenderana neOLTzvigadzirwa zvinodiwa.
OLTmudziyo kodhi nyora-v8 software nharaunda kuvaka
1. Kana iyo kodhi yakanyorwa zvinobudirira, komputa interface icharatidza yegirini "PASS"
2. Mushure mekunge kodhi yanyorwa zvinobudirira, isa rinoenderana Mac label bepa kuseri kuruboshwe diviOLTchigadzirwa.
6. Kukurukuriranaonu/optical fiberonukutanga kuongorora
Nezve chii chinonzi uboot: uboot inonyatso chirongwa chebhoti - bootloader. Boot, pedzisa iyo hardware yekutanga, tanga iyo hardware platform loader, tanga hardware, uye rodha sisitimu yekushandisa. Tsigira akasiyana mahardware, akadai seArM, MIPS, X86, AVR32, RISC-V architecture, uye akasiyana masisitimu anoshanda, akadai seWinCE, Linux kernel, Android operating system Basa reuboot nderekutanga CPU padanho rekutanga, nyora mukati. mutauro wegungano, tanga cache, MMU, wachi, watchdog, DDR3, eMMC, tanga muchikamu chechipiri, uye tanga padanho rebhodhi. Kazhinji, inonyorwa mumutauro weC, tanga serial port, network kadhi, usb, lcd, uye inopa akawanda maturusi. Pinda mutsara wemirairo yeuboot, shandisa murairo weuboot, uye uise sisitimu yekushandisa.
Nezve Linux kernel:
Basa re kernel: process management uye process kutaurirana: process kugadzira uye kudzima, preemption preemption pakati pematanho, nguva chidimbu kutenderera kuronga kwemaitiro, uye kutaurirana pakati pemaitiro. Memory management: memory allocation algorithm. Nzvimbo yekurangarira yega yega inopihwa neLinux. Anotsigirwa faira masisitimu anogona kutarisa kune Linux madhiraivha: hunhu zvishandiso, block zvishandiso, network zvishandiso, zvinokanganisa, uye kernel wachi kuburikidza nekatsi/proc/filesystems, 4) mudziyo manejimendi. Network protocol: TCP/IP. Iyo webhusaiti yepamutemo yeLinux kernel:https://www.kernel.org/
Parizvino, kutaurirana kweduonu/optical fiberonuvakapinda yedu yekuchengetedza yekutarisa, hotera network yekuvhara uye campus network yekuvhara. Kana iwe uchida kuziva zvakawanda nezve ruzivo rwemukati rwechigadzirwa, ndapota verenga mamwe magwaro akakodzera!
7. ONUProduct Foundation CLI
Nezvevakangwara veduONUchigadzirwa modhi:
1、flash set DEFAULT_ DEVICE_ NAME HUR2102XR//Device-Zita papeji rewebhu
2、flash set GPON_ ONU_ Model yakashumwa kuneOLTmuMODE HUR2102XR//GPON modhi
3, flash set GPON_ ONU_ MODEL HUR2102XR//Mienzaniso yakashumwaOLTmuGPON mode
4, flash set GPON_ ONU_ MODEL HUR2102XR//Mienzaniso yakashumwaOLTmuGPON mode
Zvigadzirwa zvikuru zvekambani yeduoltonu/aconu/gpononu/xpononu/catvonuzvese zvinopisa zvigadzirwa zvekambani, izvo zvinogona kushandira pamwe nekuchengetedza kuchengetedza, kuvharwa kwehotera network uye campus network coverage. Kana muchifarira, munogona kutibata pane yedu homepage. Tine nyanzvi yeR&D timu, pre-kutengesa uye mushure-yekutengesa timu. More standard kugadzira nharaunda. Pachave nehunyanzvi hwepamusoro bhizinesi kusuma ruzivo rwechigadzirwa chekambani yedu uye mabasa anoenderana eiyo modhi kwauri usati watengeswa, uye timu yebasa rehunyanzvi ichakuperekedza mushure mekutengesa. Mauya!
8. Tsanangudzo ye sfp optical fiber module
Tsanangudzo yeOptical module: Iyo optical module inoumbwa neoptoelectronic zvishandiso, inoshanda maseketi uye optical interfaces. Iyo optoelectronic zvishandiso zvinosanganisira zvikamu zviviri: kutapurirana uye kugamuchira. Muchidimbu, basa re optical module ndeye photoelectric kutendeuka. Mugumo wekutumira unoshandura chiratidzo chemagetsi kuita chiratidzo chemaziso. Mushure mekutapurirana kuburikidza nefiber optical, iyo yekugamuchira yekupedzisira inoshandura chiratidzo chemaziso kuita chiratidzo chemagetsi.
Mhando yeOptical module:
1, Pasuru: 1X9, GBIC, SFF, SFP, XFP, SFP+, X2, XENPAK, 300pin
2、 Kurongwa nemagetsi interface: hot plug (chigunwe chegoridhe) (5g optical module/1.25g optical module/10g optical module), pini welding style (1 × 9/2 × 9/SFF)
Kazhinji, chiratidzo chinopfuura 2.5G, uye pane imwe kurasikirwa kwechiratidzo apo nzira yepini welding inoshandiswa. Kana yadarika 10G, unofanira kushandisa chigunwe chegoridhe. Naizvozvo, iyo yazvino yepamusoro-yekupedzisira module magetsi ekubatanidza ese ari muchimiro cheminwe yegoridhe. Zvisinei, zvakanakira mutsara pini welding ndeyokuti yakasimba kudarika chigunwe chegoridhe. Mune zvimwe zviitiko zvakakosha, iyo mutsara wepini welding interface inoda kushandiswa.
Kana iwe uchida kuziva zvakawanda nezve gigabit single-mode sfp optical module kana mamwe marudzi ezvigadzirwa zvemodule, ndapota taura nesu pane peji reimba!
9. SFP Kukurukurirana Optical Module Structure
Kunyangwe iyo package, kumhanya uye kuremerwa kure kwemhando dzakasiyana dzeOptical module dzakasiyana, kuumbwa kwavo kwemukati kwakafanana. Iyo SFP transceiver optical module yave zvishoma nezvishoma yave iyo huru yekushandisa nekuda kweiyo miniaturization, iri nyore kupisa plugging, tsigiro yeSFF8472 yakajairwa, iri nyore kuverenga analog, uye yakakwirira yekuona chokwadi (mukati +/- 2dBm). Iyi inotevera muenzaniso weSFP optical module kuunza kuumbwa kwayo kwemukati uye zvinoenderana nemisimboti yekushanda:
Iyo yakakosha kuumbwa kweiyo optical module inosanganisira zvinotevera zvikamu:
1. Optical device: optical device is hybrid integrated device inoumbwa nezvikamu zvishoma zve optoelectronic uye IC, passive components (zvakadai sekudzivirira, capacitance, inductance, mutual inductance, microlens, isolator), optical fiber uye simbi wiring, iyo inosanganiswa uye yakarongedzwa pamwechete kuti ipedze mabasa mamwe chete kana akati wandei.
2. Integrated circuit board (PCBA): Iyo yose nzira yePCB isina chinhu bhodhi inokwira kuburikidza neSMT (chip mounting) kana kuburikidza neDIP plug-in, inonzi PCBA. Optical transmitting circuit/optical receiver circuit, chip (control chip, storage chip), amplifier (inoderedza amplifier), wachi data recovery (CDR), chigunwe chegoridhe.
3. Shell: zvishongedzo zvekunze zvinosanganisira shell (sheet simbi yekumusoro chivharo), kuvhura chikamu, bhegi, base (zinc alloy die-casting), dhonza mhete, rubber plug, uye ruvara rwekudhonza rin'i rinogona kuona parameter rudzi rwe module.
10. Ongororo yeSMT (SMT) maitiro akaoma eOptical module PCB 'A
Huwandu hweiyo optical module pachayo idiki kwazvo, uye density yechikamu pane yayo inoenderana PCB 'A yakakura uye saizi idiki. Kazhinji, chip zvikamu zvinowanzoiswa mu 0402 package, uye 0201 package inosimudzirwawo zvishoma nezvishoma. Uye zvakare, nekuti iyo optical module inoda kubatanidzwa neiyo system base station kuburikidza neGoridhe Finger, iyo "kusvibiswa" dambudziko reGoridhe Finger muSMT maitiro zvakare rinova rimwe rematambudziko ekuita.
Uye zvakare, nekuda kwehupamhi hwekubatanidza, mamwe maoptical modules PCBA inoda kutora mamwe maitiro ekuvandudza nzira:
➢ Kuburikidza negomba rekubatanidza (THC: Kuburikidza neHole Component) inotora kuburikidza negomba reflow nzira itsva (THR: Kuburikidza neHole Reflow);
➢ Iyo inochinjika yakadhindwa yedunhu bhodhi (FPC) uye yakaoma yakadhindwa yedunhu bhodhi (PCB) inoiswa welded nekubatanidzwa kwemabhodhi akapfava uye akaomarara (FoB: FPC paBhodhi);
➢ 0402 itsva 3D chaiyo musangano welding process pakati pechip resistance uye capacitance (CoC: Chip paChip).
Tikugashirei kuti udzidze zvakawanda nezve ruzivo rwechigadzirwa rwekutaurirana optical module, pluggable optical module, 10MW optical module, optical communication module, network optical module uye kutaurirana optical module pane webhusaiti yekambani yedu. Parizvino, optical module zvigadzirwa zvinogona kuiswa kune data kutaurirana, komputa mukamuri zvinobatika, kuchengetedzwa kwekutarisa uye kutonga kwemaindasitiri.
11. Kuvandudza Maitiro eOptical Modules
1. Miniaturization
Parizvino, makwikwi mumusika wekutaurirana wemaziso ari kuramba achiwedzera kutyisa, huwandu hwemidziyo yekutaurirana huri kuita hudiki uye hudiki, uye dhizaini yekubatanidza iri mubhodhi rekubatanidza iri kuramba ichikwira nekukwira. Iyo yechinyakare optical module yakapatsanurwa kubva kune laser uye detector yave yakaoma kuchinjika kune zvinodiwa zvemazuva ano ekutaurirana michina. Kuti zvizadzise zvinodikanwa zvemidziyo yekutaurirana yemidziyo yemaziso, optical modules iri kusimukira yakanangana nemapakeji madiki akabatanidzwa. Yakanyanya kusanganiswa optoelectronic modules inogonesa vashandisi kugadzirisa yakakwirira-kumhanya analog optoelectronic masaini, kupfupisa iyo R&D uye kutenderera kwekugadzira, kuderedza mhando dzezvakatengwa zvikamu, uye kuderedza mutengo wekugadzira. Naizvozvo, ivo vari kuwedzera kufarirwa nevagadziri vemidziyo.
2. Kudhura kwakaderera uye kushandiswa kwesimba shoma
Huwandu hwemidziyo yekutaurirana huri kuita hudiki uye hudiki, uye density yemukati iri mubhodhi reinterface iri kuwedzera nekukwira, izvo zvinoda kuti michina yeoptoelectronic igadzirike munzira yekudhura uye kuderera kwesimba rekushandisa. Parizvino, michina yemaziso inowanzo tora hybrid yekubatanidza maitiro uye air-tight kurongedza maitiro. Iyo inotevera kusimudzira ichave isiri-mhepo-yakasimba kurongedza, iyo inoda kutsamira pane passive optical coupling (isina-XYZ kutungamira gadziriso) uye humwe hunyanzvi hwekuvandudza dhigirii reotomatiki uye kuderedza mitengo.
3. High rate
Vanhu vanoda ruzivo rwakawanda uye nekukurumidza kufambisa ruzivo. Seyo mbiru huru yekutsinhana kwemashoko kwemazuva ano, kugadzirisa uye kutapurirana, optical communication network yanga ichikura yakanangana ne-ultra-high frequency, ultra-high speed uye ultra-large capacity. Iyo yakakwirira yehuwandu hwekutapurirana uye huwandu, inodzikira mutengo wekufambisa ruzivo rwega.
4. Kureba
Nhasi optical network iri kuramba ichiwedzera kure, izvo zvinoda ma transceivers ari kure kuti aenderane nawo. Iyo yakajairika iri kure transceiver siginecha inogona kufambisa angangoita 100 makiromita pasina kukwidziridzwa. Chinangwa chayo chikuru ndechekuchengetedza inodhura optical amplifier uye kuderedza mutengo we optical communication. Zvichienderana nekutariswa kwechinhambwe chekutapurirana, ma transceivers mazhinji ari kure anosarudza 1550 bhendi (wavelength renji inosvika 1530 kusvika 1565 nm) sebhendi rekushanda, nekuti kurasikirwa kweiyo optical wave kutapurirana kudiki mune ino renji, uye anowanikwa optical amplifiers ari kushanda ese. muchikwata ichi.
5. Hot swap
Ndiko kuti, iyo module inogona kubatanidzwa kana kubviswa kubva pachigadzirwa pasina kudzima magetsi. Nekuti iyo optical module inopisa-inochinja-chinja, maneja wetiweki anogona kusimudzira nekuwedzera sisitimu pasina kuvhara network, iyo isingazove nemhedzisiro kune vashandisi vepamhepo. Kupisa plugging zvakare kunorerutsa basa rese rekugadzirisa uye rinogonesa vashandisi vekupedzisira kubata zvirinani ma transceiver modules. Panguva imwecheteyo, nekuda kwekuita kwekuchinjana uku kunopisa, iyi module inogonesa maneja etiweki kuti aite kuronga kwese kweiyo transceiver mutengo, yekubatanidza kureba uye ese network topologies zvinoenderana netiweki kusimudzira zvinodiwa, pasina kutsiva ese system mabhodhi.
12. Basic Concepts of Switches
Iyo yechinyakare LAN inoshandisa HUB, ine bhazi rimwe chete, uye bhazi rimwe chete inzvimbo yekunetsana. Saka iyo yechinyakare LAN inetiweki yakati sandara, uye LAN ndeyenzvimbo imwechete yekukonana. Mameseji anotumirwa nechero munhu anotambira anozogamuchirwa nemimwe michina yese iri munzvimbo imwechete yekunetsana. Gare gare, iyo network network (layer 2chinja) yakashandiswa kutsiva hub (HUB) mune networking. Chiteshi chega chega chinogona kutorwa sebhazi rakasiyana, uye nzvimbo yekupokana inoderedzwa kune imwe neimwe chiteshi, iyo inovandudza zvakanyanya kushanda kweiyo network kutumira unicast meseji uye inovandudza zvakanyanya mashandiro eiyo layer 2 network. Kana mugamuchiri akatumira meseji yekutepfenyura, mudziyo unogona kuramba uchigamuchira meseji yekutepfenyura. Isu tinowanzo kudaidza huwandu hwekutepfenyura meseji seyekutepfenyura domain. Kana bhiriji retiweki richitumira meseji yekutepfenyura, ichiri kuda kugadzira akawanda makopi enhepfenyuro meseji uye kuitumira kumakona ese etiweki. Nekuwedzera kwechiyero chetiweki, kune mameseji akawanda uye akawanda ekutepfenyura munetiweki, uye mameseji ekutepfenyura anotora zvakawanda uye zviwanikwa zvenetiweki, izvo zvinokanganisa zvakanyanya mashandiro etiweki. Iri ndiro rinonzi dambudziko remhepo yemhepo.
Nekuda kwekuganhurirwa kwemusimboti wekushanda webhiriji maviri-layer network, bhiriji harigone kuita chero chinhu nezvedutu rekutepfenyura. Kuti uvandudze mashandiro etiweki, zvinowanzodikanwa kupatsanura network: kupatsanura nzvimbo yakakura yekutepfenyura kuita madiki akati wandei enhepfenyuro.
Kare, iyo LAN yaiwanzo kupatsanurwa kuburikidza nema routers. Theroutermumufananidzo unotsiva node yepakatichinjamumufananidzo wapfuura, izvo zvinoderedza zvakanyanya kuwanda kwekutumira mameseji ekutepfenyura. Iyi mhinduro inogadzirisa dambudziko rekutepfenyura dutu, asi iyorouterinoshandiswa kuparadzanisa network muzvikamu pane network layer. Kuronga kwenetiweki kwakaoma, nzira yekubatanidza haina kuchinjika, uye inowedzera zvakanyanya kuoma kwekutungamira nekugadzirisa. Seimwe nzira yeLAN segmentation nzira, chaiyo LAN yakaunzwa mumambure ekugadzirisa matambudziko akatarisana neakakura maviri-layer network nharaunda.
Virtual Local Area Network (VLAN) zvine musoro inokamura zviwanikwa zvetiweki uye vashandisi venetiweki zvinoenderana nemamwe mamisimboti, uye inokamura network chaiyo kuita akawanda madiki ane musoro network. Aya madiki madiki ane musoro anoumba avo ega nhepfenyuro, kureva, chaiyo LAN VLANs. Mumufananidzo, pakatichinjainoshandiswa, asi kuruboshwe nekurudyi ndezvemaVLAN akasiyana, vachigadzira yavo nhepfenyuro. Mameseji ekutepfenyura haakwanise kufambiswa pamatunhu enhepfenyuro aya.
Virtual LAN zvine musoro inokamura boka revashandisi pazvikamu zvakasiyana zvetiweki zvemuviri kuita LAN, iyo yakangofanana neyechinyakare LAN mukushanda uye kushanda, uye inogona kupa kubatana kwematerminal masisitimu mukati meimwe renji.
13. EPONONU/GPONONUMusiyano, Kubvumbi 6, 2022
Zviyero zvakasiyana (PON system)
EPON: IEEE 802.3ah. Iyi chiyero inosanganisa Ethernet nePON tekinoroji. PON tekinoroji inoshandiswa mune yemuviri layer uye Ethernet protocol inoshandiswa mune data link layer kuti iwane PON network yekuwana
GPON: ITU-TG.984 yakatevedzana chiyero, zvichibva pane transmission convergence (TC) layer, inogona kupedzisa kuchinjika kwepamusoro-level diversity services.
Mitemo yakasiyana
EPON inopa yakagadziriswa uplink uye downlink 1.25Gbps; EPON inotsigira yakakura shunt reshiyo ye1:64;
GPON inotsigira uplink uye downlink asymmetric rate, ine downlink 2.5Gbps kana 1.25G uye uplink 1.25Gbps;
GPON inotsigira huwandu hwe1:128 (theoretical value);
Kushandisa uye kubudirira
EPON: yakaderera mutengo uye nyore kugadzirisa, inova sarudzo yevazhinji vashandisi munhanho yekutanga
GPON: Yakakwana zviyero, yakanaka yakasanganiswa sevhisi rutsigiro uye yakakwirira tekinoroji zvinodiwa ndiwo maitiro eiyo optical access network
Iyo GPON yakajairwa system ndeyechokwadi "yakavhurika", iyo inokurukurwa pamwe chete uye yakagadziridzwa neina makuru zviyero masangano (ITU-T SG15 Q2, FSAN, Broadband Forum, ATIS NIPP);
Iyo EPON chiyero chakatangwa neIEEE uye yakagadziridzwa nevashandisi munyika dzakasiyana siyana, iyo "yakavharwa"
14. Basic Sumo kune Software Mabasa eONUProducts
ONUsoftware interface masitaera akakamurwa kuita marudzi maviri:
(1)Login Webpage
(2)Kuseta Webhusaiti
ONU-Bhatani:
Kiyi: RST, WPS, WIFI
Nzvimbo: divi kana kumberi (hardware dhizaini)
Basa: Retedza kudzoreredza marongero efekitori, dzvanya uye ubate 5-10S, wobva wasunungura
WIFI inogonesa, batidza kana kudzima WIFI basa
WPS WIFI dziviriro marongero: dzvanya kiyi yeWPS, uye chiratidzo cheWPS chinopenya. Panguva ino, mutengi weWIFI anogona kushandisa iyo WPS yekubatanidza kupedzisa isina waya network yekubatanidza kazhinji pasina kuisa password yeSSID.
Optical fiber connectors inoshandiswa neyeduONUzvigadzirwa:
SC/UPC
➢ Subscriber Connector/Standard
➢ Push mhando, iri nyore kurodha uye kurodha
➢ ndicho chinongedzo chinonyanyozivikanwa. Kurema kwakareruka, saizi diki, nyore kushanda
SC/APC
➢ Angled Pamuviri Kubata
➢ Gaya uye kupolisha iyo microsphere pamusoro pakona ye8 madhigirii
➢ Dzosera kurasikirwa ≥ 60dB, inowanzoshandiswa mutambo TV network kufambisa chiratidzo cheCATV
Loop-Ona: Kuonekwa kwePort loop: Tumira mameseji akakosha pamachiteshi emudziyo uye ona kana mameseji anogona kutumirwa kubva. Chiteshi chechiteshi chinotambirwa zvakare kuona kana paine loopback pachiteshi. Kana paine alarm inotumirwa nemudziyo, vhara chiteshi. Mushure mekunge loop yacheneswa, vhurazve chiteshi uye utaure kucheneswa kwearamu.
Paunenge uchishandisaONUzvigadzirwa, zvinosanganisira maitiro atinoitaONU:
Mana manejimendi maitiro eONU
WEB Management
CLI Management
OAM/OMCI Management
TR069/SNMP
15.ONU-OAM/OMCI
OAM
√ Kushanda, Kutonga & Maintenance
√ International mwero IEEE 802.3 ah, muyero wepamba CTC 3.0
√ OAM ndiyo yekudyidzana protocol pakatiONUuye EPONOLTmuEPON mode "discovery process" "link kugadzirisa" "mubvunzo uye kuseta" "alarm"
OMCI
√ ONT Management & Control Interface "ONT Management & Control Interface"
√ International mwero ITU-T G984. x ITU-T G988
√ OMCI ndiyo yekudyidzana protocol pakatiONUuye GPONOLTmuGPON mode
SNMP - Nyore Network Management Protocol
Iyo inoshandiswa kune manejimendi yekushanda kubata kure kure netiweki zvishandiso zvinotsigira protocol, kusanganisira kubvunza mamiriro etiweki, kugadzirisa network kumisikidza, uye kugamuchira network yekuzivisa chiitiko. "Configuration Management" "Fault Management" "Performance Management" "Security Management"
Iwo maviri akakosha mapfungwa eSNMP anoti MIB (Management Information Base) uye OID (Object Identifier)
Management ruzivo base MIB: inotsanangura iyo manejimendi ruzivo runogona kushandiswa pachigadzirwa. Mumiririri uye manejimendi chiteshi vanoshandisa MIB seyakabatana data interface yekutaurirana
Object identifier OID: chinhu chinotungamirwa neMIB (yakasarudzika identifier)
Semuenzaniso, 1.3.6.1.2.1.1.1.0 Wana basic system information (SysDesc)
16. Network Topology
√ WiFi inogona kuve netiweki kuburikidza neakasiyana network topologies, uye kuwanikwa kwayo uye kuwana kunetiweki zvakare ine zvayo zvinodiwa nematanho. WiFi isina waya network inosanganisira maviri marudzi etopology: zvivakwa uye ad-hoc. Mazano maviri akakosha ekutanga: chiteshi (STA): iyo inonyanya kukosha chikamu chetiweki. Imwe neimwe terminal yakabatana kune isina waya network (yakadai selaptop, PDA uye mamwe mashandisi emushandisi anogona kubatana kunetiweki) anogona kunzi chiteshi. Wireless yekuwana nzvimbo (AP): mugadziri weasina waya network uye yepakati node yetiweki. Kazhinji, iyo wirelessrouterinoshandiswa mumba kana muhofisi iAP. Chiteshi, kiyi (senge WEP), network protocol (yakadai seDHCP), bhiriji, nezvimwe zvinoda kusetwa. Vatengi idesktop, notebook, handheld komputa uye mamwe mashandisi ekushandisa.
√ Basic wireless network yakavakirwa paAP
√ Yakagadzirwa neAP uye inoumbwa nemaSTA akawanda
√ AP ndiyo yepakati yetiweki yese
√ Iyo STA haigone kutaurirana zvakananga kune mumwe nemumwe uye inoda kuendeswa mberi neAP. Inotevera ndiyo topology yekugadzira yeGPON yekambani yeduOLT/XPONOLT/OLTONU/ACONU/foniONU/WIFIONU/CATVONUzvekutaura:
17. OSI 7-Layer Network Architecture
√ Physical layer: 802.11b inotsanangura mwero wekufambiswa kwedata we11Mbps uchishanda mu2.4GHz ISM frequency bhendi Iyo yemuviri layer inoshandisa frequency-hopping spread spectrum transmission technology (Frequency-hopping Spread Spectrum, FHSS) uye Direct Sequence Spread Spectrum,DSSS）
√ MAC layer: MAC layer inopa akawanda mabasa kutsigira wireless network kushanda. Kuburikidza neMAC layer saiti Unogona kumisikidza network kana kuwana network iripo uye kuendesa data kune iyo LLC layer.
√ LLC layer: IEEE802.11 inoshandisa iyo yakafanana LLC layer uye 48-bit MAC kero seIEEE802.2 Kero, inoita kuti zambuko riri pakati pewaya newaya rive nyore. Asi kero yeMAC inongosiyana neWLAN kuona.
√ Network layer: IP protocol inogamuchirwa, inova ndiyo inonyanya kukosha protocol muInternet Guidelines inotevedzwa pakutaurirana.
√ Yekufambisa layer: TCP/UDP protocol inogamuchirwa. TCP inoenderana-inotungamirwa protocol uye inogona kupa IPReliable kutapurirana pasi pezvakatipoteredza; UDP iprotocol isina kubatana iyo isingape kuvimbika kweIP
√ Transmission. Kune akavimbika maapplication, iyo yekufambisa layer inowanzo tora TCP protocol. Chikumbiro chekushandisa: chinoitwa zvinoenderana nezvinodiwa zvekushandisa, seHTTP protocol, DNS (Domain name System, domain name resolution system) protocol. Parizvino, Haidiwai anonyanya kupa network layer uye transmission layer midziyo, yakadai se: all-opticalchinja, SFP Optical module, GPONOLT, GPONONUmutsara, sezvinoratidzwa mumufananidzo unotevera:
18.ONU+STB Gateway Bhokisi, Kubvumbi 7, 2022
Parizvino, semushandisi terminal mudziyo,ONUchinhu chakasiyana chakazvimirira chedigital TV set-top box. Iyo yakabatana kune set-yepamusoro bhokisi system kuburikidza nemushandisi interface yeONUmune EPON system. Kana chizvarwa chinotevera chetapurirana network chichikura kusvika kuFTTH, imba yega yega inoda midziyo miviri yekubatira, imwe set-yepamusoro bhokisi uye imwe.ONU, iyo inoparadza nzvimbo yemushandisi uye kuwedzera mushandisi wekushandisa mutoro. Panguva ino, 9602CONU+ STB chigadzirwa tekinoroji chave chinangwa cheindasitiri. Nekubatanidza mabasa eONUmubhokisi re-set-top, basa rebhokisi re-set-top richava rakasimba zvikuru, kukurumidza kwekugadzirisa data kuchave kwakakurumidza, uye tarisiro yekushandiswa ichave yakakura.
Parizvino, kusimudzira kweIPTV kunonyanya kutarisana neiyo tekinoroji bhodhoro rekuti ungapaza sei muganhu weBroadband, uye kukosha chaiko kwekupinda kwenharembozha optical fiber mumba. Iyo 10G-PON yekuwana optical network haingobvumire vashandisi kuteerera uye kuona akatevedzana akapfuma uye anoshamisa ekuteerera-anoona zvirongwa zvakaita seHD, UHD, 3D, asi zvakare inopa vashandisi masevhisi ane simba eInternet senge online kurapwa, online. kudzidzisa, online e-commerce, kutaura kwezwi, vhidhiyo kutaurirana, nezvimwewo, Inogona kutoita basa remuchengeti wemba mumba memushandisi, ichipa vashandisi chengetedzo yepamba yakanaka, Internet yepamba Yezvinhu uye mamwe masevhisi epamba akangwara. Kugadzirisa matambudziko ari pamusoro, Shenzhen Haidiwai Optoelectronic Technology Co., Ltd.ONU+STB” R&D chirongwa. Nechinangwa ichi, yakatsaurirwa kukusimudzira tekinoroji, kutsvaga rutsigiro rwepamusoro-tekinoroji uye yakakwirira-vhoriyamu, uye kutsvaga zvimwe zvitsva uye zvechokwadi zvakakodzera network michina kune mazhinji emapoka.
19. MINI SquareONU
The currentONUmidziyo inonyanya kuumbwaONUchip, BOSA (Bi-direction Optical Subassembly) bidirectional optical transceiver module, simba module, rakadhindwa redunhu bhodhi uye ganda rinodzivirira; TheONUchip, optical module uye simba module zvakaputirwa pane yakadhindwa redunhu bhodhi; Imwe mugumo weBOSA yayo inobatanidza ne pigtail, iyo inogadziriswa pane yakadhindwa yedunhu bhodhi uye inoshandiswa pakuita docking ne optical fiber connector kubva kune optical line terminal.OLT; Imwe mugumo weBOSA inobatanidzwawo nePCB board; Ichi chimiro chinotungamira kune yakakura vhoriyamu yeseONUchigadzirwa, chinotora nzvimbo uye haisi nyore kuisa, uye zvakaoma kusiya optical fiber tray. Ikoko kuchagara kune chikamu che optical fiber yakafumurwa, iyo inonyanya kunetseka kune dzakatevedzana dzezvinetso zvakadai sefiber breakage uye chiratidzo chekushandura kukundikana kunokonzerwa nemasimba ekunze. Kuti ugadzirise matambudziko ari pamusoro, iyo "MINIONUsquare” chirongwa chekutsvagisa nekusimudzira chakaiswa pamberi. Nechinangwa ichi, kuvandudzwa kwehunyanzvi kwakaitwa, mamwe epamusoro-tekinoroji uye epamusoro-vhoriyamu rutsigiro rwehunyanzvi rwakadzidzwa, uye zvimwe zvitsva uye zvechokwadi zvakakodzera network michina yakatsvagirwa. Shenzhen Haidiwei Optoelectronics inopa marudzi akasiyana eGPONONU/WIFIONU/ODM masevhisi, achipa imwe-stop sevhisi kune vatengi verudzi urwu rwebhizinesi.
20. MINI Transceiver
Iyo yechinyakare optical fiber transceiver ndeye Ethernet transmission media conversion unit iyo inotsinhana mapfupi mapfupi masaini masaini emagetsi uye marefu masaini masaini masaini, ayo anotambanudza nhambwe yekubatanidza yeEthernet uye inotyora muganhu we 100 metres uchishandisa dzakamonyoroka peya. Optical fiber transceivers anowanzo shandiswa munzvimbo chaiyo yetiweki iyo Ethernet tambo haigone kuvhara uye optical fiber inofanira kushandiswa kuwedzera kureba kwekutapurirana, uye inowanzoiswa mune yekusvika layer application yeBroadband metropolitan area network. Kazhinji, iyo yemagetsi interface ye optical fiber transceiver pamusika yakabatana zvakananga neiyo huru chip. Muchiitiko chekuchinja kamwe kamwe kwemagetsi ekuisa kana zvazvino, mwero wekutapurirana uye hunhu huchakanganiswa, uye iyo huru chip ichakuvadzwa nyore. Kuti ugadzirise matambudziko ari pamusoro, iyo "IC + 175 MINI transceiver" R&D purojekiti inokurudzirwa: kuvandudza tekinoroji, kudzidza zvakanyanya-yepamusoro-tekinoroji uye yakakwirira-vhoriyamu rutsigiro rwehunyanzvi, uye kudzidza zvimwe zvitsva uye zvechokwadi zvakakodzera network network yevazhinji. yemapoka. Panguva imwecheteyo, kambani yedu inoda kuti dhipatimendi rezvemari rigadzire yakazvimiririra accounting account yekutsvagisa nekusimudzira mitengo yeprojekiti, uye mari yacho iri pasi pekutarisirwa kwehomwe. Dhipatimendi rehunyanzvi rinofanirwa kusimbisa manejimendi eprojekiti, uye mamwe madhipatimendi ekambani achapa rubatsiro nekushandira pamwe zvinoenderana nezvinodiwa nechikwata chepurojekiti yeR&D kuti ive nechokwadi chekuitwa uye kupera kweprojekiti. Shenzhen Haidiwei Optoelectronic Technology Co., Ltd. inopa optical fiberchinjauye ODM masevhisi
21. Powered POE nano transceiver
Muchinyakare optical fiber wiring installation process, photoelectric conversion equipment inoda kuiswa, nepo iripo photoelectric conversion equipment inoshandisa imwe chete magetsi ekuisa modhi, kureva kuti, kuwana simba rekushanda kubva kune mamwe magetsi ekushandisa kuchengetedza kugadzikana. Nekudaro, kana chiteshi chekutora simba cheiyo photoelectric shanduko midziyo ikatadza, kana bato rekupa magetsi rikatadza, iyo photoelectric inoshandura michina haizoshande zvakajairika, nokudaro inokanganisa zvakanyanya maitiro ekushanda. Kuti ugadzirise matambudziko ari pamusoro, iyo "IC + nano PD POE transceiver" R&D purojekiti inokurudzirwa: kuvandudza tekinoroji, kudzidza zvakanyanya-yepamusoro-tekinoroji uye yakakwirira-vhoriyamu rutsigiro rwehunyanzvi, uye kudzidza zvimwe zvitsva uye zvechokwadi zvakakodzera network michina ye vazhinji vemapoka. Panguva imwecheteyo, kambani yedu inoda kuti dhipatimendi rezvemari rigadzire yakazvimiririra accounting account yekutsvagisa nekusimudzira mitengo yeprojekiti, uye mari yacho iri pasi pekutarisirwa kwehomwe. Dhipatimendi rehunyanzvi rinofanirwa kusimbisa manejimendi eprojekiti, uye mamwe madhipatimendi ekambani achapa rubatsiro nekushandira pamwe zvinoenderana nezvinodiwa nechikwata chepurojekiti yeR&D kuti ive nechokwadi chekuitwa uye kupera kweprojekiti.
22. Optical Network UnitONU
OLT: Optical line terminal, iyo inobata akawanda terminal zvishandiso (ONUs). Iyo zvakare mudziyo pamusuwo wekunze wetiweki uye yemukati network yekupinda. Basa: ipa network padivi interface yeOptical yekuwana network uye kutaurirana nayoONUkudivi revashandisi kuburikidza neiyo imwe kana anopfuura maODN. Hukama huripoOLTuyeONUikurukurirano yatenzi-muranda. ODN: optical kugovera network, inowanzozivikanwa seOptical splitter. Iyo optical nzira chiratidzo che trunk mutsara inogoverwa kune michina pane akawanda materminals (ONUs). Basa: Inopa optical kutapurirana zvinoreva pakatiOLTuyeONU. Basa rayo guru nderokupedzisa kugoverwa kwemagetsi emagetsi emagetsi. ODN inzvimbo yakangoita passive optical yekugovera network inoumbwa neye passive optical components (senge optical fiber uye tambo, optical connector uye optical splitter).ONU: Optical network unit; Kazhinji, inogona kunzwisiswa semusharouteror chinja. Musiyano mukuru pakati pemidziyo inoshandiswa mune yakajairika twisted pair network ndeyekuti kune yekuwedzera optical network port. Basa: Inopa iyo iri kure mushandisi-parutivi interface yeiyo optical access network, iyo iri padivi remushandisi weODN. OAN inzvimbo yekupinda inoshandisa tekinoroji yefiber transmission tekinoroji, ndiko kuti, hurongwa hwekutaurirana pakati penzvimbo inoshandura hofisi nevashandisi vanoshandisa optical fiber transmission yakazara kana chikamu. Optical access network inogona kukamurwa kuita passive optical network (PON) uye inoshanda optical network (AON). Kuenzaniswa nemhando mbiri idzi dze optical network, kuvandudza kwepassive optical network kuchakurumidza maererano nemutengo. Zvinoenderana nenzvimbo chaiyo yeONUmune optical access network, OAN inogona kukamurwa kuita akati wandei akasiyana maapplication marudzi: 1) Optical faibha kune junction bhokisi (FTTCab) 2) Optical fiber kudivi remugwagwa (FTTCub) 3) Optical fiber kukuvaka (FTTB) 4) Optical fiber kusvika imba (FTTH) uye optical fiber kuhofisi (FTTO) PON tekinoroji: PON ndeye imwe-fiber nzira mbiri-optical access network ine point-to-multipoint (P2MP) chimiro, uye yakajairika topology imhando yemuti.
23. Nzira yekusiyanisa sei optical access networkOLTuyeONU
ChiiOLT?
Zita rizere reOLTndiyo Optical Line Terminal.OLTis an optical line terminal, inova hofisi yekupedzisira midziyo yekufonera. Inoshandiswa kubatanidza optical fiber trunk mitsara. Inoita seachinjaor routermune yechinyakare kutaurirana network, uye mudziyo uri pamusuwo wekunze network uye musuwo wemukati network. Pakupera kwehofisi, akanyanya kukosha ekuita mabasa kurongeka kwetraffic, buffer control, uye mushandisi-inotungamirwa passive optical network interface uye bandwidth kugoverwa. Nemashoko akareruka, ndiko kuona mabasa maviri: kusvika kumusoro kwePON network; Kune yakadzika, iyo data yakawanikwa ichatumirwa uye kugoverwa kune veseONUmushandisi terminal zvishandiso kuburikidza neODN network.
ChiiONU?
ONUndiyo optical network unit.ONUine mabasa maviri: kusarudza kugamuchira nhepfenyuro inotumirwa naOLT, uye kugamuchira uye kupindura kuneOLTkana ichida kugamuchira iyo data; Unganidza uye cache iyo Ethernet data iyo vashandisi vanofanirwa kutumira, uye tumira iyo cached data kune iyoOLTterminal zvinoenderana nehwindo rekutumira rakagoverwa.
Mune FTTx network (tinya pano kuti nekukurumidza udzidze nezveFTTx), nzira dzakasiyana dzekutumira dzeONUkuwana kwakasiyanawo, semuenzaniso, FTTC (Fiber To The Curb):ONUinoiswa mukamuri yepakati yekombuta yesero; FTTB (Fiber Kuchivakwa):ONUinoiswa mubhokisi rekusangana rekoridho; FTTH (Fiber Kumba Kumba):ONUinoiswa mumushandisi wepamba.
24. Nezve Mashandisiro Ekushandisa Gigabit Optical Modules neKuchinja
Maitiro ekufananidza optical module uye switch yagara iri nyaya inopisa muindasitiri. Mutambo pakati pekuchinja uye optical modules haingotaridzi chete kana inogona kushandiswa kazhinji mushure mekubatanidza, asi inokanganisa kana network network inogona kukwidziridzwa nemutengo wakaderera uye hunyanzvi hwepamusoro mune inotevera nhanho. Naizvozvo, HDV ichatarisa maitiro ekushandisa gigabit optical modules ine switch. For thechinja, chiteshi chemaziso chefuremuchinjakazhinji inokwanisa kutsigira kushandiswa kwegigabit optical module ye10-gigabit optical port, uye kushandiswa kwe100-gigabit optical module yegigabit interface, ndiko kuti, kukurumidza pasi. Nekudaro, iyo uplink Optical port yebhokisichinjahaitsigire kuderedzwa kwekukurumidza kwepamusoro, uye iyo downlink Optical port inogona kutsigira kuderedzwa kwepamusoro kwekukurumidza pasi pemamiriro akajairwa. Nekudaro, kazhinji hazvikurudzirwe kuderedza kumhanya kwechiteshi chemwenje. Naizvozvo, gigabit optical module uye gigabitchinjandiyo yakanakisa sarudzo.
Iyo gigabit optical module yakavakirwa pane akasiyana mashandisirwo mamiriro: data kutaurirana, komputa mukamuri zvinobatika, data data, chengetedzo yekutarisa, uye kutonga kwemaindasitiri.
25. YeduOLTEquipment
OLTis an optical line terminal. Icho chinhuOLTnetwork manejimendi system yakavakirwa paCLI, WEB uye NMS, iyo inoshandiswa kubatanidza terminal michina ye optical fiber trunk. Kubva pane theoretical system yeEPON system,OLTinonzwisisa nheyo yayo yekushanda, inoongorora zvinodiwa zvebhizimisi zve optical line terminals, inosiyanisa ma modules makuru ekushanda, uye inokurukura mabasa echikamu chimwe nechimwe cheEPON system. Zvakanakira zveOLTidiki saizi, midziyo yakapusa, mitengo yakaderera yekuisa uye yekugadzirisa, uye mari shoma shoma. Passive optical midziyo inochinjika munetwork, uye topology yayo inogona kutsigira muti, nyeredzi, bhazi, hybrid, redundant uye mamwe matopology etiweki. Zviri nyore kuisa, ine mukati uye kunze mhando. Chimiro chayo chekunze chinogona kusungirirwa zvakananga pamadziro kana kuiswa pa "H" danda, pasina kurenda kana kuvaka imba yemuchina. Nekudaro, iyo inoshanda sisitimu inoda photoelectric uye electro-optical shanduko, uye mutengo wekugadzira michina wakakwira. Inoda kushandisa nzvimbo dzakakosha uye makamuri emuchina. Dambudziko remagetsi ari kure rakaoma kugadzirisa, uye basa rekugadzirisa zuva nezuva rakakura. Passive optical network inokodzera point-to-multipoint kutaurirana. Chete passive optical splitter ndiyo inoshandiswa kuona kugovera kwemagetsi. Passive optical network ndeye yakachena yepakati network, iyo inodzivirira zvachose kukanganiswa kwemagetsi uye mheni, uye yakanyanya kukodzera kushandiswa munzvimbo dzine hurombo hwemamiriro ezvinhu. Kubva pamaonero ekuvandudza tekinoroji, kuwedzera kwepassive optical network kuri nyore, uye hakusanganisi shanduko yemidziyo. Chete midziyo software yekusimudzira inodiwa. Hardware midziyo inotengwa kamwe chete uye inoshandiswa kwenguva yakareba, iyo inoisa hwaro hwe optical fiber kupinda mumba uye inova nechokwadi chekudyara kwevashandisi.
