Tili okondwa kuyankha mafunso aliwonse, chonde titumizireni mafunso ndi maoda anu.
Chingwe cha fiber optic patch chomwe chimapita ku antenna ya remote base station chimakhala ndi chingwe cha duplex LC chokhala ndi jekete lakunja losawoneka bwino lomwe limatha kupirira nyengo zovuta zikagwiritsidwa ntchito panja, komanso chingwe chozungulira cha duplex chakutali chotumizira ma transmission (ulusi wa aramid womwe umatseka madzi ndi jekete losawoneka bwino, losagonjetsedwa ndi UV). LC baffle yake yotseguka imalola kuti mulowe mosavuta mu SFP module ya BBU kupita ku RRU yokhala ndi njira imodzi.
1. Cholumikizira cha LC cha duplex chokhazikika, cholumikizidwa bwino ndi adaputala ya LC yokhazikika
2. Imodzi ndi yamitundu yambiri ikupezeka
3. Chitetezo cha IP67, chosathira mchere, chosathira chinyezi, chosathira fumbi. Kuyika/kubweza kochepa, kufalitsa kosalekeza kwa kuwala.
4. Chovala chopepuka, chosalowa madzi, chosalowa fumbi, chosanyowa, komanso cholimba chachitsulo.
FTTH.
| Kuchuluka kwa ulusi | Chingwe kukula mm | Kulemera kwa chingwe makilogalamu / km | Za nkhawa kumpoto | Kuphwanya N / 100 mm | Kujambula pang'ono pa wailesi mm | Kuchuluka kwa kutentha | |||
| Kutalika Nthawi | Kakang'ono Nthawi | Kutalika Nthawi | Kakang'ono Nthawi | Mphamvu | Chosasunthika | ||||
| 2 | 7.0 | 42.3 | 200 | 400 | 1100 | 2200 | 20D | 10D | -30-+70 |
| 4 | 7.0 | 42.3 | 200 | 400 | 1100 | 2200 | 20D | 10D | -30-+70 |
| 8 | 7.0 | 42.3 | 200 | 400 | 1100 | 2200 | 20D | 10D | -30-+70 |
| Chidziwitso: 1. Mitengo yonse yomwe ili patebulo, yomwe ndi yongogwiritsidwa ntchito pongogwiritsa ntchito, imasintha popanda chidziwitso; 2. Kukula ndi kulemera kwa chingwecho kumadalira chingwe cha simplex cha mainchesi akunja a 2.0 kapena 0.9 mm ya damping yosinthidwa. 3. D ndi m'mimba mwake wakunja kwa chingwe chozungulira | |||||||||
1. Chophimba chapakati cha ulusi wamtundu umodzi
| Nkhani | Chigawo | Kufotokozera |
| Kuchepetsa mphamvu | dB/km | 1310nm≤0.4 1550nm≤0.3 |
| Kubalalika | Ps/nm.km | 1285 ~ 1330nm≤3.5 1550nm≤18.0 |
| Kutalika kwa mafunde osafalikira konse | Nm | 1300~1324 |
| Malo otsetsereka osafalikira | Ps/nm.km | ≤0.095 |
| Kutalika kwa waya wozungulira wa ulusi | Nm | ≤1260 |
| M'mimba mwake wa munda wa modal | Chimodzi | 9.2±0.5 |
| Kukhazikika kwa gawo la modal | Chimodzi |
|
| M'mimba mwake wa m'mphepete | chimodzi | 125±1.0 |
| Chophimba chopanda kuzungulira | % | ≤1.0 |
| Cholakwika cha Cladding/Clodding Concentricity | Chimodzi | ≤12.5 |
| M'mimba mwake wa gulu | chimodzi | 245±10 |
| kugwedezeka, kudalira komwe kumayambitsidwa | 1550nm, 1turns, 32mm m'mimba mwake 100rums, 60mm m'mimba mwake | ≤0.5 db |
| kuchepetsa | kpsi | ≥100 |
2. Kufotokozera kwa Cholumikizira
| NKHANI | PARAMETER |
| Mtundu wa cholumikizira | LC / UPC. LC / UPC |
| Kutayika kwa kulowetsedwa |
|
| Kutayika kwa kubwerera | > = 50db |
| Mtundu wa ulusi | Njira imodzi 9/125 |
| Kutalika kwa nthawi yogwirira ntchito | 1310nm, 1550nm |
| Mayeso a kutalika kwa mafunde | 1310nm, 1550nm |
| Kubwerezabwereza |
|
| Kusinthasintha |
|
| Kulimba |
|
| Utali wa ulusi | 1m, 2m… kutalika kulikonse komwe mungasankhe. |
| Kutalika ndi kulekerera | 10cm |
| Kutentha kogwira ntchito | -40C ~ + 85C |
| Kutentha kosungirako | -40C ~ + 85C |



Ndi Prudence wochokera ku Iceland - 2017.06.25 12:48
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