1. Usoro inyefe BOB:
1. BOB nhazi usoro nke HDV Phoelectron Technology LTD:
Ọ bụ n'ụzọ bụ isi iji mebie ike anya na njedebe map anya nke njedebe na-ebufe, na onye nnata kwesịrị ịhazigharị uche ya na nlekota RSSI.
Ndekọ ntinye ọrụ BOB:
| nwale | oke | nkọwa | otu | okwu | |||
| ọrụ | àgwà | nkọwa | Min. | Ụdị. | Oke | ||
| Akụkụ na-emezigharị | TxPower | Tx ike na-ebufe | 1.2 | 1.5 | 1.8 | dBm | Maka ntule akọwapụtara, enwere ike ịkwalite ndeksi dị ka arụmọrụ BOSA siri dị |
| ExtRatio | oke ikpochapu | 9.5 | 12 | 14 | dB | ||
| EyeCross | ihe osise anya intersection | 45 | 50 | 55 | ％ | ||
| RxPoCalPoint_0 | Ndozi Rx ọnọdụ oke mbụ | -10 | -10 | -10 | dB | ||
| RxPoCalPoint_1 | Rx calibration ọnọdụ oke nke abụọ | -20 | -20 | -20 | dB | ||
| RxPoCalPoint_2 | Ndozi Rx ọnọdụ oke nke atọ | -30 | -30 | -30 | dB | ||
| Akụkụ nnwale | TxPower | Tx ike na-ebufe | 0.5 | 2.5 | 4 | dBm | Maka ntule akọwapụtara, enwere ike ịkwalite ndeksi dị ka arụmọrụ BOSA siri dị |
| TxPo_DDM | Na-ebufe ike ngwa anya | 0.5 | 2.5 | 4 | dB | ||
| DiffTxPower | Na-ebufe nlekota anya ike iche | -1 | 0 | 1 | ％ | ||
| ExtRatio | Oke mkpochapu ikuku | 9 | 11 | 14 | dB | Maka ntule akọwapụtara, enwere ike ịkwalite ndeksi dị ka arụmọrụ BOSA siri dị | |
| EyeCross | ihe osise anya intersection | 45 | 50 | 55 | dB | ||
| EyeMargin | Anya eserese Magin | 10 | 10 | 10 | dB | ||
| TxCurrent | ikuku ikuku | 180 | |||||
| TotalCurrent | ngụkọta ugbu a | 100 | 250 | 300 | |||
| Mmetụta | uche | -27 | -27 | ||||
2. Ihe osise njikọ BOB nke HDV Phoelectron Technology LTD.:
Eserese njikọ ule BOB na-emekọrịta ihe, nnwale otu ụzọ, njikọ mpụga dị mgbagwoju anya, attenuator, mita njehie, mita ike, CDR na akụrụngwa ndị ọzọ kwesịrị ịzụrụ iche. Ebe ọrụ ọ bụla chọrọ kọmpụta iji kwado ule ahụ.
1. Okwu mmalite nke ES-BOBT8 usoro BOB ule akụrụngwa:
2. Nwere ike ịkwado ruo 8 ọwa maka ule BOB, Internal integrated ike mita na attenuator, nwere ike mezue izipu na ịnata debugging na ule n'otu oge;
3. Integrated BERT function and 2xSFP + light interface interface, nwere ike na-akwado 1.25G ~ 10G mgbaama mmepụta ihe ngosi, iji nye isi iyi ọkụ maka ule uche BOB;
4. Integrated CDR Trigger out, n'ime onwe-wuru elekere mgbama mgbake, nwere ike inye elekere mgbaama chọrọ maka anya anya eserese ule;
5. Igwe nlegharị anya n'onwe ya nwere ike ịnye nchọpụta nleba anya ike anya.
ES-BOBT8 usoro usoro ule BOB na-enye ihe ngwọta akụrụngwa ule zuru oke, nke nwere ike ịnye ọwa 8 kachasị.ONUNnwale BOB. The BER tester na ìhè isi iyi, attenuator, ike mita, wavelength nkewa, optical mgba ọkụ na ndị ọzọ akụrụngwa na-agbakwunyere n'ime otu ngwaọrụ , na ọkachamara BOB ule automation software, nwere ike inye a zuru ezu set nke BOB ule ngwọta.
2,Ụkpụrụ ọrụ ngwaike:
Ọrụ nke usoro ES-BOBT8 nke sistemụ ngwaike BOB:
1.Na mmepụta usoro, lelee maONUngwa anya ọdụ ụgbọ mmiri luminous ike bụ nkịtị ozugbo ozugbo
2.Chelee ma uru ike ngwa anya natara nke ndịONUọdụ ụgbọ mmiri anya ziri ezi.
Ụkpụrụ ọrụ nke sistemu ngwaike:
1. The elu kọmputa software na sistemụ ejikọrọ na USB interface nke SCM U1 (nlereanya C8051F340) site USB interface na ule usoro ịghọta nwoke-igwe interconnection;
2. SCM U1 (ihe nlereanya C8051F340) na-ejikwa U3 (bit njehie nchọpụta mgbawa VSC8228, ihe na-emepụta ihe mgbaàmà), OLT modul (PON SFP), ADC (nke ADL5303 na AD5593 kwadoro), na DAC (nke MAX4230 na AD5593 kwadoro) site na I. ụgbọ ala.
3. The bit njehie detector mgbawa VSC8228 ezipụ mgbaàmà nke kpọmkwem koodu ụdị na ọnụego dị ka ntụziaka, na ụgbọala OLT modul izipu ngwa anya mgbaàmà nke kwekọrọ ekwekọ koodu ụdị na ọnụego site SerDES interface. Ogologo ogologo nke OLT ezipụrụ bụ 1490nm, a na-ekewa ìhè ahụ na asatọ site na nkesa. Mgbe DAC akara attenuator VOA attenuates na kpọmkwem ike anya, ọ na-jikọrọ naONUọdụ ụgbọ mmiri anya.ONUna-agụ ike ngwa anya kwekọrọ ma jiri ya tụnyere uru ọ bara.
4. Usoro mmejuputa DAC: SCM U1 (model C8051F340) na-eziga data DAC na AD5593 site na ụgbọ ala I2C, ọdụ ụgbọ mmiri I / O nke AD5593 na-emepụta akara eletriki, na mgbama voltaji na-eme site na amplifier arụ ọrụ MAX4230, nke a na-etinye na ya. Ntinye ntinye voltaji nke VOA attenuator , nke mere na ọkụ nke PON OLT modul na-ewepụta na-ebelata na ike ngwa anya akọwapụtara, wee jikọọ ya na ọdụ ụgbọ mmiri anya.ONU.
5. ADC mmejuputa usoro: Mgbe ìhè emitted siteONUPD (photodetector) na-achọpụta ya, PD na-emepụta ụda mgbaàmà nke nha dị iche iche dịka ike nke mgbaàmà anya, ma gbanwee ya na voltaji nwere ọnụọgụ ọnụọgụ buru ibu na nkenke dị elu site na onye ntụgharị logarithmic ADL5303. A ghọtara uru ahụ site AD5593 wee gbanwee ka ọ bụrụ akara dijitalụ site na ụgbọ ala I2C site na SCM U1 (model C8051F340) wee gosipụta ya na interface kọmputa onye ọbịa.