Toropo ea Foshan ho isa nyeoeng ea WDM ea setereke
1.1.Haha mokhoa o mocha oa 40-wave DWDM ka sekhahla se le seng sa mocha oa 10Gbps
1.2.Ts'ehetsa ts'ireletso ea switching ea 1+1 ea litsela tse peli
| Che. | Sebaka | Boholo NO.ea CH | NO.ea CH e lokelang ho romelloa | Rate/CH |
| 1 | City-Setereke A | 40 | 14 | 10GE |
| 2 | Motse-Setereke B | 40 | 14 | 10GE |
| 3 | Motse-Setereke C | 40 | 8 | 10GE |
| Kakaretso | --- | 32 | 10GE | |
2.1.Litlhoko tsa mocha oa phetiso:
2.1.1.Phetiso ea lits'ebeletso tsa 14 * 10 Gigabit ho tloha phaposing ea komporo ea toropo ho ea kamoreng ea khomphutha ea Nanhai
2.1.2, mosebetsi oa mantlha oa tsela, sesebelisoa sa bekapo≤32 limilimithara
2.1.3.OTU ea lehae e ka sebelisoa ho bopa lets'oao, ho holisa le ho ntša oache.
2.2.Litlhoko tsa mocha oa phetiso:
2.2.1.Phetiso ea litšebeletso tsa 14 * 10 Gigabit ho tloha kamoreng ea k'homphieutha ea toropo ho ea kamoreng ea k'homphieutha ea Shunde
2.2.2, mosebetsi o moholo oa tsela, phetoho ea tsela ea bekapo ≤ 32mms
2.3.3.OTU ea lehae e ka sebelisoa ho bopa lets'oao, ho holisa le ho ntša oache.
2.3.Litlhoko tsa mocha oa phetiso:
2.3.1.Litšebeletso tsa 8*10 Gigabit li fetisoa ho tloha kamoreng ea k'homphieutha ea toropo ho ea kamoreng ea k'homphieutha ea Gaoming
2.3.2.Tsela e kholo ea sebetsa 'me phetoho e' ngoe ea litsela ke ≤32mms
2.3.3.OTU ea lehae e ka sebelisoa ho bopa lets'oao, ho holisa le ho ntša oache.
3.1.Tlhaloso ea lenaneo
3.1.1.Ha ho nahanoa ka katoloso ea bokhoni, yuniti ea wave demultiplexing e entsoe ho latela maqhubu a 8
3.1.2.Palo ea lintlha tse fanoeng bakeng sa ho fokotsa thapo ea optical (tahlehelo ea khokahanyo le tahlehelo ea ho kenya li kenyelelitsoe).
3.1.3.Khokahano ea lipalo tsa matla a optical:
Unidirectional: Matla a khanyang a leqhubu le le leng la mochini oa optical a baloa ho 0dBm (-2～3dBm), a holisoa ke BA mme a fokotsoa ke OLP, matla a kenang a fiber optical ke +4dBm, a fokotsoa ke mohala oa 27dBm, OLP 2dB o fokotsehile, 'me matla a kenang PA ke -25dBm, Ka mor'a ho holisoa ha PA 20dB, matla a leqhubu le le leng ke -5dBm, ka mor'a DEMUX de-wave, matla a leqhubu le le leng ke -10dBm, e tiiselitsoeng hore e ka har'a mefuta e mengata ea kutloisiso ea optical module;
Ka morao: Ka mor'a ho bala, matla a leqhubu le le leng qetellong ea ho amohela ke -10dBm, e tiisetsoang hore e ka har'a sebaka sa kutloisiso ea optical module.
3.1.4.Palo ea tsamaiso ea OSNR (e bonolo): OSNR=58+4-27-1-6=28dB≥24dB, e kopanang le litlhaloso tsa moralo.
3.2.Melemo ea tharollo
3.2.1.Sebelisa DWDM ho multiplex 40 lits'ebeletso ho cable e le 'ngoe ea optical bakeng sa phetisetso, e bolokang haholo mehloli ea lisebelisoa tsa optical ha e ntse e netefatsa bandwidth;
3.2.2.Botsitso bo phahameng: Moralo ona oa tharollo o amohela ts'ireletso ea litsela tse peli tsa OLP 1 + 1, e tšehetsa ho fetoha ka mokhoa o itekanetseng, le ho netefatsa botsitso ba khoebo;
3.2.3.Thepa ea WDM e amohela moralo oa modular, o arohaneng o sebetsang le o sa sebetseng, o bonolo ho atolosoa, o hloka feela ho eketsa boto ea lits'ebeletso ha o hola, ntle le ho sitisa khoebo e teng.
3.2.4.Boto ea OTU e amohela moralo oa 3R, o ka fetolang lets'oao bocha, oa holisa oache le ho hlophisa nako hape ho netefatsa hore lets'oao ha le sothehe.
3.2.5.Ts'ehetsa lits'ebeletso tse fapaneng ho fihlella SDH, PDH, CATV, Ethernet, data ea lentsoe, joalo-joalo, e tsamaellanang le lisebelisoa tse tsoang ho bahlahisi ba fapaneng.
3.2.6.Sesebelisoa se fana ka matla a 1 + 1 a chesang a ho boloka matla, a ntlafatsang botsitso ba sesebelisoa
3.2.7.Ho ba le mesebetsi e matla ea taolo ea marang-rang, e ka hlokomelang taolo ea marang-rang e hole, ho hlokomela tlhahlobo ea khoebo ea nako ea nnete ea inthaneteng, le ho tsamaisa tlhokomelo.