Tili okondwa kuyankha mafunso aliwonse, chonde titumizireni mafunso ndi maoda anu.
Chingwe chotsitsa cha FTTH chakunja chokhala ndi ma CD akunja okhuthala ndi cholimba komanso cholimba
Imatha kupirira malo ovuta akunja. Ili ndi makhalidwe angapo amakina ndi zachilengedwe, kuphatikizapo kukana kupanikizika, kukana dzimbiri, komanso mphamvu yokoka. Chipinda cha fiber optic chili pakati. Mapulasitiki awiri ogwirizana a fiber-reinforced (FRP) amayikidwa mbali zonse ziwiri. Waya wachitsulo amawonjezedwa kuti awonjezere mphamvu.
Chiwalo cholimba chimayikidwanso. Kenako chingwecho chimamalizidwa ndi chivundikiro cha LSZH chakuda kapena chamtundu.
1. Ulusi wapadera wocheperako wosinthasintha umapereka mphamvu zambiri zotumizira mauthenga komanso mphamvu zabwino kwambiri zotumizira mauthenga;
2. Ziwalo ziwiri zofananira za FRP zimatsimikizira kuti zimagwira bwino ntchito yolimbana ndi kuphwanya kuti ziteteze ulusi;
3. Waya umodzi wachitsulo ngati chiwalo chowonjezera champhamvu chimatsimikizira kugwira ntchito bwino kwa mphamvu yokoka;
4. Kapangidwe kosavuta, kulemera kopepuka komanso kothandiza kwambiri;
5. Kapangidwe katsopano ka chitoliro, kosavuta kupeta ndi kulumikiza, kupangitsa kuti kukhazikitsa ndi kukonza kukhale kosavuta;
6. Utsi wochepa, palibe halogen ndi chidebe choletsa moto.
Njira zowunikira zothamanga kwambiri m'nyumba (FTTx)
Kugwiritsa ntchito mu gulu la L
Mitundu yonse ya zingwe za fiber optic zokhala ndi mapangidwe osiyanasiyana.
Kugwira ntchito kwa netiweki ya kuwala kwapamwamba kwambiri
| Kapangidwe | Chigawo | Chizindikiro | |
| Kuchuluka kwa ulusi | Ulusi | 2 | |
| M'mimba mwake | mm | 5.0*2.0 | |
| Kulemera | Kg/km | Pafupifupi 21 | |
| Mtundu wa chikwama |
| Chakuda | |
| Chivundikiro |
| LSZH | |
| Waya wachitsulo | mm | 1.0±0.05mm | |
| Membala wa gulu lankhondo | mm | 0.5mm FRP | |
| Mphamvu Yokakamiza | N | 1500 | |
| Kukaniza kuphwanya | N | 2200 | |
| Wailesi ya Warp | Mphamvu |
| 30 |
| Chosasunthika |
| 15 | |
| Kutentha kogwira ntchito | ℃ | -40 — +70 | |
| Gulu | Kufotokozera | Mafotokozedwe | |
| G.657A1 | |||
| Mafotokozedwe a kuwala | Kuchepetsa mphamvu | @1310-1625nm | ≤0.36dB/km |
| @1383±3nm | ≤0.36dB/km | ||
| @1550nm | ≤0.22dB/km | ||
| Kulephera kuchepetsa mphamvu | ≤0.05 dB | ||
| Kuchepetsa mphamvu ya wavelength poyerekeza ndi kutalika kwa mlengalenga | @1285~1330nm | ≤0.05 dB/km | |
| @1525~1575nm | ≤0.05 dB/km | ||
| Kutalika kwa mafunde osafalikira konse | 1300 ~ 1324nm | ||
| Malo otsetsereka osafalikira | ≤0.092ps/(nm)2.km) | ||
| Kubalalika | @1310nm | ≤3.5 ps/nm.km | |
| @1550nm | ≤18 ps/nm.km | ||
| Kufalikira kwa njira yolumikizira (PMD) | ≤0.2ps/km1/2 | ||
| Kutalika kwa waya (λcc) kwa chingwe (λcc) | ≤1260nm | ||
| Chizindikiro chogwira ntchito bwino cha gulu | @1310nm | 1.4675 | |
| @1550nm | 1.4681 | ||
| Kuzungulira kwa macro (30mm radius, 100turns) 1625nm | ≤0.1 dB | ||
| Zojambulajambula Zofotokozera | M'mimba mwake wa gawo la mode | @1310nm | 9.2±0.6μm |
| @1550nm | 10.4±0.8μm | ||
| M'mimba mwake wa m'mphepete | 125±1μm | ||
| Chophimba chopanda kuzungulira | ≤1.0% | ||
| M'mimba mwake wa m'mphepete | 245±7μm | ||
| Cholakwika cha cladding/coating concentricity | ≤8μm | ||
| Cholakwika cha concentricity pakati/kuphimba | ≤0.8μm | ||
| Makanika Zofotokozera | Mulingo woyesera | ≥1.0% | |
| Ulalo wopindika wa ulusi | ≥4.0m | ||
| Mphamvu yayikulu ya mzere wolumikizira | 1.3~8.9N | ||







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