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VDSL2: Njira yopatsira mtunda wautali wapakatikati

Nkhani

VDSL2: Njira yopatsira mtunda wautali wapakatikati

2025-01-14
VDSL (Very high-speed Digital Subscriber Line, ITU-T G.993.1), inasindikizidwa koyamba mu 1991 ndipo muyezo wovomerezeka ndi International Telecommunication Union (ITU) mu November 2001. Ndi matekinoloje olembetsa digito (DSL) omwe amapereka kutumiza deta. mwachangu 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 ophatikizira mawu, makanema, data ndi intaneti wamba.

Chithunzi cha VDSL21

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.
Ukadaulo wa WD-V101-G umathetsa vuto la kufalikira kwakutali kwapakatikati, ndipo amagwiritsa ntchito mawaya amtundu wapakatikati kuti akwaniritse zofunikira zama network othamanga kwambiri.Mwachitsanzo: kuyang'anira makanema, kupeza deta, kuwongolera zida, ndi zina zambiri. . WD-V101-G imagawidwa mu CO ndi CPE kuti ikwaniritse mayankho odzipereka a mfundo, omwe amagwiritsidwa ntchito kwambiri m'migodi ya malasha, mafakitale, njanji. ndi kufala kwa maukonde akutali.

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%

Chithunzi cha VDSL22