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VDSL2: Njira yopatsira mtunda wautali wapakatikati
2025-01-14
VDSL (Very high-speed Digital Subscriber Line, ITU-T G.993.1), idasindikizidwa koyamba mu 1991 ndipo muyezo wovomerezeka ndi International Telecommunication Union (ITU) mu November 2001. Ndi matekinoloje a digito olembetsa (DSL) omwe amapereka kutumiza deta mofulumira kuposa Asymmetric Digital Subscriber Line (ADSL). VDSL imapereka kuthamanga kwa 52 Mbit / s kunsi kwa mtsinje ndi 16 Mbit / s kumtunda, pamwamba pa mawaya amkuwa osapindika kapena opotoka pogwiritsa ntchito gulu lafupipafupi kuchokera ku 25 kHz mpaka 12 MHz.
VDSL2 ndi chowonjezera cha VDSL, chomwe chinakhazikitsidwa mu ITU-T G.933.2. VDSL2 imagwiritsa ntchito ma frequency mpaka 30 MHz kuti ipereke ma data opitilira 100 Mbit/s nthawi imodzi kumtunda ndi kumunsi kwa mtsinje. VDSL2 imatha kuthandizira kutumizidwa kwina kwamasewera atatu kuphatikiza mawu, makanema, data komanso intaneti.

Wondertek Technology ikhoza kupereka zinthu za VDSL2 WD-V101-G ndi Alternative G.hn standard products WD-E2000M-G. Dongosololi ndi lokwanira kwambiri ndipo likhoza kusankhidwa malinga ndi zosowa za makasitomala.
Zipangizo zamakono za WD-V101-G zimathetsa vuto la kufala kwapakati-mtunda wautali kwambiri, ndipo amagwiritsa ntchito mawaya amtundu wawiri kuti akwaniritse zofunikira za mafakitale othamanga kwambiri. ndi njira zina zotumizira maukonde mtunda wautali.
| Chitsanzo | WD-V101-G |
| Joggle | 1 * 10/100Base-TX Adaptive RJ45 port, 1 * 2PIN terminal (DSL), 1 * doko lakunja lamagetsi |
| Kuwala kwa LED | DSL, ETH, PWR |
| Standard | ITU-T G.993.2, Mbiri yothandizira:8a/8b/8c/8d,12a/12b/17a/30a |
| Bandiwifi yogwira mtima | TCP/IP 100Mbps |
| Liwiro lotumizira | 300k-300Mbps |
| Modulation mode | Chithunzi cha DMT |
| Kugwiritsa ntchito pafupipafupi | 25K ~ 30MHz |
| Kutumiza | Mpaka 3000 metres |
| Kugwiritsa ntchito mphamvu | ≤5W |
| Kukula | 150mm × 105mm×33mm (L×W×H) |
| Miyezo yachitetezo | IP40 |
| Kulemera | 0.20kg |
| Kuyika | Kuyika dzenje lokhazikika |
| Voltage yogwira ntchito | Kutentha kogwira ntchito: -40 ℃-80 ℃ Kutentha kosungira: -50 ℃-85 ℃ Chinyezi chogwira ntchito: 10% -85% dziko losasunthika Chinyezi chosungira: 5% -90% malo osasunthika |
| Chitsimikizo | FCC, CE, ROHS |
| Voltage yogwira ntchito | DC12V±2% |

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