Dowell vatenzi vanokwanisa kuendesa Submarine Networking System.
Dowell ListoMede vatenzi vanogadzirwa nekuvaka maitiro kuti vawedzere kugadzikana kwekushanda uye kwakanyanya kwekutora kwekusimudzira kuti vave nekudzokorora kwakakwirira & kufanana.
Patendete tekinoroji yakatarisana neyese yakarongedzwa fiber & yakakwana kurapwa kwemhedzisiro yemhando yepamusoro, isina kana mapipi, uye makomba e400X DORC,
Isu tinopa 1 ~ 20 DB uye Standard Attenuation Hwakasimudzira pana 3, 5, makubhiti gumi nemashanu eDB, yakagadzirwa-yakagadzirwa-gadziriso yekusangana neyako chaiwo zvinodiwa
Paramita | Unit | Kuita | ||
Giredhi | Premium | Giredhi a | ||
Kuunganidzwa Kusiyana | Att. <5 | dB | ± 0.5 | ± 0,75 |
Att. > 5 | dB | ± 10% | ± 15% | |
Kudzorera Kurasikirwa | dB | 45 DB --- (PC) 50 DB --- (SPC) 55 DB --- UPC) 60 DB --- (APC) | ||
Chishandiso chekushandisa | ° C | -40 kusvika +75 | ||
Vibration kuramba | <0.1 x Kukosha |
Zvemamiriro ekunze & Mechanical | Mamiriro |
Zvisingadzoreki kushanda nharaunda | - 40 ° C to + 75 ° C, RH 0 kusvika 90% × 5%, mazuva manomwe |
Nzvimbo isiri-yekushandisa | - 40 ° C to + 70 ° C, RH 0 kusvika 95% |
Humidity condensation cycling | - 10 ° C kusvika + 65 ° C, RH 90% kusvika 100% |
Kunyudzwa kwemvura | 43 ° C, ph = 5.5, mazuva manomwe |
Vibration | 10 kusvika 55 HZ 1.52 mm amplitude kwemaawa maviri |
Kusimba | 200 cyc., 3 ft., 4.5 ft., 6 ft. Pa gr-326 |
Kupa bvunzo | 6 ft |
● refu kusekera telececomunation
● Fiber muchiuno (Fitl)
● Nzvimbo yenzvimbo netema (Lan)
● TV TV & Vhidhiyo Kugovera
● Passive Optical Networks
● Network Kuongorora