
dayta servies unit

dayta servies unit, konnisaarlu digital servies unit anie pilustaaru, idhi telephone company linelu mariyu sthaanika parikaraala madhya digital daetaanu marche parikaraalanu muginche telecommunications circuit yokka bhaagam. eee parikaram chivariki digital circuit nundi mariyu neerugaa chaanal servies unit (sii. ess. yuu) nundi vachhe bipolar digital sankethaalanu oka aakrutigaa (udhaa.zii. rs-530) dayta terminal parikaraala (dte) (e.zii. oka router) dheeniki dayta pampabadutundi. dii. tii. ii nundi circuit vaipu velle dayta kosam dii. ess. yuu kooda idhe vidhamaina prakriyanu riverslo nirvahistundi. oka dii. ess. yuu. maddatu ichhe telecommunication servies anedi digital dayta networklo point-tuu-point ledhaa multipoint operation kaavacchu.
roopam mariyu uddesyam.
dii. ess. yuu anedi rendu ledhaa anthakante ekkuva port parikaram; oka portnu vaan (wide area network) port anie, marokati dii. tii. ii. port anie pilustaaru. vaan port mariyu dte portula madhya seeriyal daetaanu samakaaleekarinchadam dsu yokka uddesyam. okati kante ekkuva dte portlanu upayoginchinatlayithe, dsu vaan vaipu time slaatlu (chaanallu) prakaram dte daetaanu ketayistundi.
vaan vaipu, dii. ess. yuu, sii. ess. yuu dwara, ds1 ledhaa ds3 ledhaa takkuva vaega digital dayta servies vanti digital carriertho interfaces chestundi. dte vaipu, dsu niyantrana linelu, timing linelu mariyu tagina bhouthika mariyu vidyut interfacenu andistundi. portula madhya samakaaleekarana sambandhaanni konasaaginchadaaniki, dii. ess. yuu. portulanu marokati yokka bitt retuku ledhaa daani antargata gadiyaaraaniki slave cheyadam dwara samayanni nirvahistundi. saadhaaranamgaa, dte port dayta terminal parikaraalaku samayanni andistundi, ayithe vaan port retunu nirdesistundi.
dii. ess. yuu. loe saadhaaranamgaa konni nirvahana saamarthyaalu untaayi. kaneesam, vaaru vaan ledhaa dte portula vadda ledhaa rendintiloonuu daetaanu tirigi loop cheyavachu. oka port matrame tirigi loop cheyabadinappudu, aaa port vadda andukunna dayta ekakaalamlo port vaipu tirigi pampabadutundi mariyu saadhaarana paddhatiloo itara portku pampabadutundi. chaalaa varaku dss communication link yokka dosha retunu kolavadaniki vividha dayta namuunaalanu roopondinchadaaniki mariyu paryaveekshinchadaaniki kooda anumatistundi. oka dii. ess. yuu. anedi oka pratyeka parikaram kaavacchu, ledhaa sii. ess. yuu/dii. ess. yuu. loe kalapavacchu.

