ADSL - chii? Musimboti oparesheni, kufadza kumhanya, zvakanakira nekuipira ADSL michina

ADSL - munhu ano ane asymmetric Indaneti. Zviri zvayakaita asymmetric uye hurongwa anogona kushanda ari kumhanya yeimwe, richisvika kusvika 8 Mbit / s. ADSL-ano, uko rinowanikwa yedzimudzangara mwero kusvika 1 Mbit / s, inoshanda panguva neavhareji rwendo 5 km. Nhasi tiri kutarisa worudzii maererano mhando uye kuti inoshanda sei.

Nyaya

Tisati tapindura mubvunzo: - isu kuunza pfungwa dzako zvishoma nhoroondo Data "ADSL chii,?". Nokuti nguva yokutanga kwezvisikwa mukuru-nokukurumidza kwokubatana kutaura mukunopera '80s, kana Indaneti kunyange ayo ano muchimiro akanga chete kupengeswa. basa rake guru 1989 yaiva kuvandudzika uye mazuvaano pamusoro date yedzimudzangara michina pamusoro mhangura runhare waya. Analog-to-digitaalinen kutendeutsa akasikwa zvikurukuru kukurumidza kupararira mashoko pakati siyana vatambi mabasa, mitambo yemavhidhiyo, mavhidhiyo mafaira, uyewo kupa pakarepo kure kuwana Lan nemamwe rezvebonde enyika.

Modern ADSL-michina: nokushanda musimboti

Action Network pazvikanganiso digitaalinen rinotengeswa nevaridzi mutsetse kuti migero nvidia kunopa Indaneti. Asi dzenhare mitsetse achiedza analoginen mureza inzwi mashoko. ADSL-kubatanidza akagadzirirwa kuti analoginen chiratidzo iri kutendeukira digitaalinen uye ugozvitumira zvakananga kuti kombiyuta. Panguva iyoyowo, mukusiyana kune nechekare zvisingachashandi Dial-up modems, ADSL anotsanangura mano regai adzikatidza runhare kubvumira kushandisa digitaalinen uye analoginen anonongedzera panguva imwe chete.

Musimboti technology (asymmetric) ndechokuti rinotengeswa nevaridzi anowana guru yakawanda date - kuuya motokari, uye roga chinobudisa zvishoma mashoko - the nomurwizi motokari. Zvaaiva kuuya zvaireva zvose zvemarudzi tigutsikane: mavhidhiyo uye vezvenhau mafaira, mafomu, zvirongwa, Graphics zvinhu. Descending anotuma anokosha chete hwokugadzira mashoko - mirayiro siyana uye queries, na, uye nezvimwe zvinhu zviduku. The asymmetry ndechokuti mwero kubva samambure kuti rinotengeswa nevaridzi iri kakawanda yakakwirira nokukurumidza kubva user.

Chinonyanya kukosha nani namadhimoni kuburikidza ADSL-zvemichina raro bhajeti uye kunyatsoshanda. Chokwadi chokuti hurongwa inoshandisa chete waya yemhangura runhare. Kuwanda yakakoswa maviri mavari, Chokwadi, nokure nhamba zvakafanana nezvinhu zviri waya modems. Asi panguva imwe chete havadi kuti chero mazuvaano kuti nokuchinja michina uye kunzwisisa pedutu. ADSL zvakabatana mhando kutsanya uye ano modems vari nzwisisa kuti ishande uye kugadzira.

Chii midziyo inoshandiswa nokuda ikoku?

Kuti mabikirwo basa, kushandisa mhando chaizvo modems, iyo yakasiyana nechivako avo, magadzirirwo, mhando maererano:

• PCI-modems (womukati kombiyuta mano).
• External modems norudzi USB kubatana.
• Namano Ethernet inowanikwa mhando.
• Router, routers pamwe Ethernet vematunhu.
• Mhando kushandiswa modems (nokuti kuchengeteka makambani, private dzorunhare mitsetse).
• Router pamwe munyika pfungwa Wi-Fi kuwana.

Zvimwe zvakazosvika: splitters uye microfilters

Hatifaniri kukanganwa kuti kubatana munhu Gadget akadai ane ADSL-Modem, splitters uye microfilters kunodiwa. Mano vanosarudzwa maererano pamasikiro runhare waya. Ari mamiriro ezvinhu apo waya nzira yokubudisa unoitwa (kana anogona kuitwa) kukurumidza inoshandiswa Modem uye runhare mahwanda inoshandiswa. Chero zvazvingava, unoda kutenga microfilter, iyo yakaiswa mumwe parunhare kuti aripo muimba.

The chikuru basa iri mahwanda ndiko kugovera kakawanda - izwi (0,3-3,4 kHz) uye rinoshandisirwa ne Modem zvakananga (25 KHz-1,5 MHz). Zviri saizvozvi akapa mawa mabasa ari Modem uye runhare avo hazvivhiringidzi mumwe uye kwete kupindira. Splitters vari chiine regai kukonzera zvisingakoshi kuzvuzvungudza. bhokisi Miniature iri vakapakata zviteshi matatu uye ane pasi uremu.

ADSL - chii? Matanho nokuti unobva kumusoro-nokukurumidza Internet

1. Kusarudza zvatinoda. Kushandisa michina iyi panguva imwe Provider inopa. Mhando dzakasiyana uye prices siyana nokuda mudunhu, uyewo hwokugadzira nezvaanogona ari boka kuti nhau kungava zvishoma.
2. Kutenga michina. Pari, haumanikidzwi kutenga Modem, router, router, mahwanda uye microfilter. Kana achiita nechibvumirano unobva Mugoveri anoda kutora anodiwa zvokushandisa rendi, kusanganisira ADSL-Modem. Pashure, apo kugumiswa gwaro iri akadzoka michina. Mutengi inobhadhara chete nokuda Indaneti. Modern Internet ADSL - chii? Uyu nokukurumidza, zvakachipa uye yepamusoro nzira kubatanidza.
3. Account activation. Nokuti mumwe munhu anoda kubetserwa Provider reserves nhoroondo, activation izvo zvinogona kutora mazuva 12. Zvisinei, kazhinji, sevamwe rezvebonde mishumo nzira hakurevi kupfuura maawa mashoma. Pre-cheki nhamba dzorunhare Provider zvichiita ADSL kubatana. Kana zvemichina hazvikwani kuwana nzvimbo, ipapo vanobatisisa yakakwirira-nokukurumidza Internet hakushandi.
4. Akamumutsira michina. Panguva iyi, kubatana mano kuti foni mutsetse mahwanda uye neungano micro, kuisa Modem nevatyairi pakombiyuta yako, uyewo nedzokunze pomumbure zviruva ari Modem iri padandemutande mubrowser.

Goodies

Chine zvakanakira ADSL-zvigadzirwa? Heano mamwe acho:

• High nokukurumidza date hutachiwana. ADSL unokubvumira nyore kutamira mafaira chero kukura pasina refu vakavandira. The zvemichina kunoramba kuri nani, uye nokukurumidza kuwedzera, yekudyidzana wokukudza rinotengeswa nevaridzi ruzivo.
• Wireless kubatana. Kushandisa ADSL-yezvinhu, hapana chikonzero kuwedzera waya kuti foni uye akaisa yakawanda michina. Inosimudzira Kuvimbika, unhu uye functionality pamusoro pemambure.
• No chipingaidzo pafoni mutsetse. ADSL-router unoshanda kumira-woga rudzi uye asingauyi kusika chero matambudziko foni. Foni egungwa ari rakapotsa nzvimbo inogona kusununguka zvachose.
• Kuramba Internet kuwana ADSL. Chii? Izvi zvinoreva kuti kunyange nemambure hauchazopi kukundikana. The zvemichina hakurevi chinhu reconnection. A mushandisi accesses Internet nguva dzose uye anogona kuva paIndaneti zuva rose nousiku.
• Kuvimbika uye isimbe. To musi, ADSL ndiyo rakavimbika kupfuura mhando Indaneti.
• Profitability. Mari ADSL kubatana uye hwokugadza Modem ine router riri shoma uye asingauyi yakarova mhuri bhajeti.

kutadza

1. No kudzivirira crosstalk. Kana mumwe mugero vachanzi kwakabatana dzinoverengeka dhazeni vatengi vanovimba kumhanya hakusi zvakakodzera. More subscribers mumwe ADSL, rezasi kunaka date hutachiwana.
2. nekuipira ADSL-michina kunyange ine, asi ivo vari vashoma. Zvingadai kusanganisirawo risingamboshandisi kumhanya ari rinotengeswa nevaridzi. The asymmetry pamusoro ADSL ane pachena kunaka - kubva rinotengeswa nevaridzi faira kutapurirana achava refu uye kugadzikana. Asi zvemichina rinotarisirwa zvikurukuru kuti anokurumidza Indaneti kuti Surfing. Uyezve, mashoko chinopfuudzwa kubva anoishandisa, rinotangira chiduku uye kunoda zvakawanda zvinhu.

Rate uye zvinoita sei nayo

ADSL munhu mukuru-nokukurumidza Internet michina, asi nokudenga tsika uye Masvomhu dziripo. Nokuti mumwe nomumwe rinotengeswa nevaridzi uye mwero mumwe pakutsvaga chine zvinhu. Kusanganisira vamwe vavo vangava sei kuvimbika uye unhu midziyo. Naizvozvo, kuti vaite kugadzwa modems uye routers yakanakisisa nyanzvi.

Chikonzero chikuru kuti yakaderera nokukurumidza ADSL-remubatanidzwa ndirwo runonyanya ane rinotengeswa nevaridzi mutsetse. Tiri kutaura pamberi bridged taps, avo ezvinhu, dhayamita uye kureba waya. Attenuation vanoshandiswa mugumisiro chichiwedzera kureba rinotengeswa nevaridzi mutsetse, uye anogona kuderera kukanganiswa nokuda pakuwedzera waya dhayamita. Standard ADSL-mugero pakureba hakuiti kupfuudza 5 km - Zvakanyanya Kunaka Panguva Yepamuviri chikuva chakakwirira-nokukurumidza date hutachiwana.

havukavu unhu

Ichienzaniswa nedzimwe Internet kubatana, ADSL zvinooneka kunoita vari nokukurumidza michina. Analog Modem anopa vaifanira ya56 kbit / s, ukuwo ADSL mumazuva ayo chitarisiko mangwanani kare kubvumidzwa nekufambisa mashoko pa aimhanya anosvika 144 Kbit / s. ADSL-ano, kufadza nokukurumidza rinova pakutsvaga zvechadenga Modem uye anogona kusvika 2048 Mbit / s, kuti optimize mashoko hutachiwana. Digital mitsetse kuwedzera zvikuru aishandisa ruzivo, ikasara mhiri mwero, kunyange kana uine kakawanda hwakabatana makombiyuta, maserura, mahwendefa nemimwe midziyo.

Michina tarisiro

Mikana uye ADSL michina mari kure aneta. Kunyange mitemo ADSL2 uye ADSL2 +, akasuma kare pakati 2000, achiri kuramba kushanda uye nemikana. Zvinonzi, Chokwadi, chete rwokugadzira anogona navanopinda Internet mukana pasina dzongonyedzo uye Software matambudziko, saka mumwe mukwikwidzi vamwe nzira dzakawanda kubatanidza Indaneti.

Minimum hwokugadzira midziyo iri nechimwe mhando ano modems. Manufacturers gore negore kubudisa itsva mano rakagadzirirwa kuramba kushanda pasina kudikanwa yokuzvigadzirisa uye basa. Uyezve, ADSL kukurumidza inongogara kuwedzera uye haisi shoma megabits. Unobva anova akakodzera vose musha uye hofisi yose boka pamwe yakawanda kombiyuta vatengi.

mhedziso

Saka, takaona kuti uyu ADSL-zvigadzirwa, zviri zvayo chaizvo uye nheyo kushanda. Sezvaunogona kuona, ichi ndicho chimwe avo ruzivo chaizvo hapashayikwi panguva kushanda (kunyange kana zvakabatana vanoverengeka makumi ezviuru vanoshandisa pemambure). Muchiitiko chino, hakufaniri kuramba reconnection uye nokukurumidza muganhu.