Ikpe WDM nke Obodo Foshan ruo Mpaghara
1.1. Rụpụta sistemụ DWDM ọhụrụ nke nwere ike ịgba ọsọ 40-wave na otu ọwa nke 10Gbps
1.2. Kwado nchedo mgbanwe akpaka nke ụzọ abụọ nke 1+1
| Mba. | Mpaghara | Oke ọnụọgụgụ nke CH | Nọmba nke CH a ga-etinye | Ọnụego/CH |
| 1 | Obodo-Mpaghara A | 40 | 14 | 10GE |
| 2 | Obodo-Mpaghara B | 40 | 14 | 10GE |
| 3 | Obodo-Mpaghara C | 40 | 8 | 10GE |
| Ngụkọta | --- | 32 | 10GE | |
2.1.Ihe achọrọ maka ọwa nnyefe:
2.1.1. Nnyefe ọrụ Gigabit 14 * 10 site na ime ụlọ kọmputa obodo gaa na ime ụlọ kọmputa Nanhai
2.1.2, ọrụ ụzọ bụ isi, mgbanwe ụzọ nkwado ndabere≤32mms
2.1.3. Enwere ike iji OTU mpaghara kpụzie mgbaama ahụ, mee ka ọ dịkwuo elu, ma wepụta elekere ahụ.
2.2. Ihe achọrọ maka ọwa nnyefe:
2.2.1. Nnyefe ọrụ Gigabit 14*10 site na ime ụlọ kọmputa obodo gaa na ime ụlọ kọmputa Shunde
2.2.2, ọrụ ụzọ bụ isi, mgba ọkụ ụzọ nkwado ndabere ≤ 32mms
2.3.3. Enwere ike iji OTU mpaghara kpụzie mgbaama ahụ, mee ka ọ dịkwuo elu, ma wepụta elekere ahụ.
2.3. Ihe achọrọ maka ọwa nnyefe:
2.3.1. A na-ebufe ọrụ Gigabit 8*10 site na ime ụlọ kọmputa obodo gaa na ime ụlọ kọmputa Gaoming
2.3.2. Ụzọ isi na-arụ ọrụ, mgbanwe ụzọ ọzọ bụ ≤32mms
2.3.3. Enwere ike iji OTU mpaghara kpụzie mgbaama ahụ, mee ka ọ dịkwuo elu, ma wepụta elekere ahụ.
3.1. Nkọwa mmemme
3.1.1. N'ịtụle mgbasawanye ikike, a na-eme atụmatụ nkewapụ ebili mmiri dịka ebili 8 si dị.
3.1.2. Ngụkọta data enyere maka mbelata nke eriri anya (gụnyere mfu njikọ na mfu ntinye).
3.1.3. Ngụkọta ike anya njikọ:
N'otu ụzọ: A na-agbakọ ike ọkụ nke otu-ebili nke modulu optical na 0dBm (-2~3dBm), BA na-eme ka ọ dịkwuo elu ma OLP na-ebelata ya, ike optical eriri na-abata bụ +4dBm, nke ahịrị 27dBm na-ebelata ya, OLP na-ebelata 2dB, ike na-abanye na PA bụ -25dBm. Mgbe mmụba PA 20dB gasịrị, ike otu-ebili bụ -5dBm, mgbe mwepụ DEMUX gasịrị, ike otu-ebili bụ -10dBm, nke a na-ekwe nkwa na ọ ga-adị n'ime oke mmetụta nke modulu optical;
Ntugharị: Mgbe agbakọchara, ike otu-ebilite na njedebe nnata bụ -10dBm, nke a na-ekwe nkwa na ọ ga-adị n'ime oke mmetụta nke modulu anya.
3.1.4. Ngụkọta sistemụ OSNR (dị mfe): OSNR=58+4-27-1-6=28dB≥24dB, nke dabara na nkọwapụta nhazi.
3.2. Uru ngwọta
3.2.1. Jiri DWDM mee ọrụ multiplex 40 n'otu eriri optical maka nnyefe, nke na-azọpụta akụrụngwa eriri optical nke ukwuu ebe ọ na-ahụ na bandwidth dị;
3.2.2. Nkwụsi ike dị elu: Nhazi ngwọta a na-anabata nchekwa ụzọ abụọ nke OLP 1+1, na-akwado mgbanwe akpaka, ma na-ahụ na azụmaahịa kwụsiri ike;
3.2.3. Ngwa WDM na-eji nhazi modular eme ihe, nke dị iche na nke na-anaghị arụ ọrụ nke ọma, dị mfe ịgbasa, naanị ihe dị mkpa bụ ịbawanye bọọdụ ọrụ mgbe a na-agbasa, na-enweghị ịkwụsị azụmahịa dị ugbu a.
3.2.4. Obodo OTU na-eji nhazi 3R eme ihe, nke nwere ike ịgbanwe akara ngosi ahụ, mee ka elekere ahụ dịkwuo elu ma mee ka oge ya dịkwuo mma iji hụ na akara ngosi ahụ agbagọghị agbagọ.
3.2.5. Kwado ọrụ dị iche iche iji nweta SDH, PDH, CATV, Ethernet, data olu, wdg, dakọtara na akụrụngwa sitere na ndị nrụpụta dị iche iche.
3.2.6. Ngwaọrụ a na-enye ike nkwado ọkụ 1+1, nke na-eme ka ngwaọrụ ahụ kwụsie ike
3.2.7. Inwe ọrụ njikwa netwọkụ dị ike, nke nwere ike imezu njikwa netwọkụ dịpụrụ adịpụ, imezu nlekota azụmaahịa n'ịntanetị n'oge dị adị, ma mee ka mmezi dị mfe.