Hom kev hloov pauv, nws cov qauv thiab theem ntawm kev txhim kho hauv ADSL thiab VDSL

Kev thaj yeeb, kev hlub tshua thiab koob hmoov ntawm Vajtswv,

Thov Vajtswv foom koob hmoov rau koj nrog txhua qhov zoo tshaj plaws, cov thwjtim nyob zoo, Kuv vam tias koj nyob zoo thiab nyob zoo.

Kuv xav tham nrog koj hnub no txog kev tshaj tawm digital cov neeg siv kab los yog dab tsi paub ntawm peb li ( DSL ) thiab nws cov nrawm uas twb muaj lawm,

Thiab tseem hais txog cov version ntawm Cov neeg siv digital siab heev los yog dab tsi paub ntawm peb li ( VDSL ) thiab nws cov nrawm uas twb muaj lawm ib yam.

Thawj thev naus laus zis hu ua ADSL

Nws yog ib qho ntawv luv rau. Asymmetric Digital Cov Neeg Ua Phiaj

 Nws siv peb tus qauv lossis cov hauv paus, uas yog raws li hauv qab no:

ANSI T1.413 Qhov Xwm Txheej 2

ITU G.992.1 >> Paub tias G.DMT Nws txhawb qhov nrawm ntawm rub cov ntawv mus rau 8 megabytes thiab xa cov ntaub ntawv mus rau 1 megabyte
ITU G.992.2 >> Kuj hu ua G.LITE Nws txhawb qhov nrawm ntawm rub cov ntawv mus rau 2 megabytes thiab xa cov ntaub ntawv mus rau 2 megabyte

Tom qab ntawd, tau tsim ADSL ىلى

ADSL 2

4 tus qauv lossis cov hauv paus tau siv, uas yog raws li hauv qab no

ITU G.992.3 >> Kuj hu ua G.DMT.bis Nws txhawb qhov nrawm ntawm rub cov ntawv mus rau 12 megabytes thiab xa cov ntaub ntawv mus rau 3 megabytes, nyob ntawm seb hom thiab version ntawm cov ntawv Ntxiv ..

ITU G.992.4 >> Kuj hu ua G. lite. bis Nws txhawb qhov nrawm ntawm rub tawm cov ntaub ntawv mus rau kwv yees li 1 thiab ib nrab megabytes, thiab nrawm ntawm kev xa cov ntaub ntawv mus rau kwv yees li 512.

ITU G.992.3 Annex J >> Ib hom qauv tab sis nyob ntawm hom
npe j Nws tso cai rau kev txhim kho cov ntawv xa tawm nrawm los ntawm 1 megabyte txog 4 megabytes.

ITU G.992.3 Annex L >> Kuj tseem hu ua READSL2, piv txwv li ncav cuag txuas ntxiv adsl2 thiab siv rau kev ncua ntev uas tuaj yeem ncav cuag 7 km, tseem hu ua RAM lossis tus nqi hloov pauv hom. Nws txhawb nqa rub tawm nrawm los ntawm 800 KB txog kwv yees li 2 MB thiab upload ceev Los ntawm 128 KB txog li 200 KB.

Tom qab ntawd. Tau tsim ADSL 2 ىلى

ADSL2 ntxiv أو ADSL2 +

Nws yeej siv ntau yam qauv ntawm cov qauv qauv, tab sis peb yuav hais txog hom tshwj xeeb nkaus xwb, uas yog raws li hauv qab no:

ITU G.992.5 >> Nws txhawb nqa rub tawm nrawm mus rau 24 megabytes thiab upload nrawm txog kwv yees li 2 megabytes.

Tom qab ntawd tuaj thev naus laus zis hu ua

VDSL أو VHDSL

Nws yog ib qho ntawv luv ntawm. siab heev me ntsis tus lej tus lej siv kab Nws siv tsuas yog ib hom qauv qauv, uas yog raws li hauv qab no:

ITU G.993.1 >> Nws txhawb nqa rub tawm mus rau 52 megabytes thiab xa nrawm mus rau 16 megabytes (siv cov tooj liab uas paub zoo peb muaj) thiab siv kab coaxial Kev rub tawm nrawm yog 85 megabytes thiab qhov upload nrawm yog 85 megabytes.

Nov yog daim duab ntawm kab coaxial

Tom qab ntawd. Tau tsim VDSL ىلى

VDSL2

Nws siv tsuas yog ib hom qauv qauv thiab tseem nyob ntawm ib hom FTTX thiab nws FTTC lossis nws paub dab tsi Fiber rau Lub Txee Ntawd yog, cov ntaub ntawv kho qhov muag txuas ntxiv mus rau peb lub tsev paub zoo hauv qab thiab tau pub nrog cov thev naus laus zis no

ITU G.993.2 >> Nws txhawb nqa nrawm txog 200 megabytes, rub tawm nrawm nyob ntawm tus neeg nyob deb ntawm lub tsev me me nyob hauv ib cheeb tsam, tsis yog lub rooj muag khoom loj, tawm tsam ADSL ..

Thiab tsis txhob hnov ​​qab tias txhua qhov saum toj no cuam tshuam los ntawm qhov kev ncua deb ntawm tus neeg siv kab thiab lub tsev, tsis hais lub hauv paus lossis lub ntsiab ..

Cov ntsiab lus ntsig txog

Koj paub dab tsi txog FTTH

Kuv vam tias kuv ua tiav hauv kev xa thiab qhia meej txog cov txheej txheem no.

Qhov no thiab Vajtswv paub zoo tshaj thiab siab tshaj

Yuav ua li cas khiav VDSL hauv lub router

Yuav ua li cas txhawm rau txheeb xyuas DSL Modulation type TE-Data (ZXHNH108N)

Yuav ua li cas txhawm rau txheeb xyuas DSL Modulation type TE-Data (HG532)

Yuav ua li cas txhawm rau txheeb xyuas DSL Modulation type TE-Data (HG630 V2)

Peb xav koj, peb cov neeg muaj txiaj ntsig zoo, nyob zoo thiab noj qab nyob zoo