Tili okondwa kuyankha mafunso aliwonse, chonde titumizireni mafunso ndi maoda anu.
1) Mtundu uwu wa ulusi ndi wa single-mode G652, G655, kapena G657, kapena multi-mode, wokhala ndi chubu chosasunthika chopangidwa ndi pulasitiki ya high-modulus. Chodzaza chosalowa madzi chimagwiritsidwa ntchito pa chodzaza.
2) Pakati pake pankagwiritsa ntchito waya wachitsulo woyikidwa ngati chiwalo champhamvu chachitsulo. Pa zingwe zina, waya wachitsulo uwu nthawi zina umakutidwa ndi polyethylene. Machubu (ndi zosefera) amapotozedwa mozungulira chiwalo champhamvucho kukhala chiwalo chaching'ono chozungulira. Pa PSP, chiwalo cha PE chimagwiritsidwa ntchito.
3) ndi chingwe chimodzi kapena ziwiri kuti muyike tayi, komanso ndi PE kuti muyike chophimba chakunja.
1. Kapangidwe koyenera komanso kuwongolera molondola ulusi wa chubu wotayirira womwe uli mu chingwe chautali cha ulusi wowala chomwe chimagwira ntchito bwino kwambiri komanso chimatha kugwira ntchito bwino kutentha.
2. Chitoliro cholimba kwambiri, chosagwira madzi ndi chodzaza machubu chapadera chimatsimikizira chitetezo chofunikira cha ulusi. Kapangidwe kake kamene kamapangidwa mwapadera kamaletsa machubu omasuka kuti asachepe.
3. Kapangidwe kakang'ono kamene kamapangidwa mwapadera ndi kabwino poletsa machubu otayirira kuti asagwe.
4. Kukana kuphwanya ndi kusinthasintha.
5. Kutalika kwa nthawi yayitali yoperekera, mainchesi ang'onoang'ono, kulemera kopepuka komanso kukhazikika kosavuta
6. Kugwira ntchito bwino kwambiri poteteza kupanikizika kumbali ya chingwe. Ndipo mphamvu yoteteza zipolopolo.
Yagwiritsidwa ntchito pamakina a chingwe cha fiber optic chogawa panja.
Yoyenera mapaipi a paipi pamwamba pa payipi, kuyika mwachindunji m'manda kuti igwiritsidwe ntchito pomangirira
Dongosolo lolumikizirana la netiweki yapafupi ndi yapafupi (LAN).
| Ayi. | Zinthu | Chigawo | Kufotokozera | ||
| G.652D | |||||
| 1 | M'mimba mwake wa m'mphepete | μm | 125±0.7 | ||
| 2 | Kuphimba kwapakati pa core | μm | ≤0.5 | ||
| 3 | Chophimba chopanda kuzungulira | % | ≤0.7 | ||
| 4 | M'mimba mwake wa m'mphepete | μm | 245±5 | ||
| 5 | Kuphimba kozungulira | μm |
| ||
| 6 | M'mimba mwake wa gawo la mode | 1310nm | μm | 9.2±0.4 | |
| 1550nm | μm | 10.4±0.5 | |||
| 7 | Kutalika kwa waya wozungulira wa ulusi | nm | λcc≤1260 | ||
| 8 | Kuchepetsa (kuchuluka) | 1310nm | dB/km | ≤0.4 | |
| 1550nm | ≤0.3 | ||||






Ndi Lee wochokera ku America - 2018.06.19 10:42
Ndi Eartha wochokera ku Britain - 2018.12.11 14:13 




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