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STANSIYaI TELEFON

telephone-station

STANSIYaI TELEFON, majmui vasilahoi tekhnikist baroi kommutasiyai kanalhoi aloqai shabakai telefon; yake az namudhoi uzeli aloqa. Dar Stansiyai telefon kanalhoi muayyani aloqa — abonentho va khathoi aloqa hangomi guftushunid ba ham vasl va badi anjomi guftugu az ham judo karda meshavand; ba in maqsad Stansiyai telefon akhbori telefoyairo az rui samthoi aloqa muttahid va taqsim mekunad. Stansiyai telefonro odatan dar binoi makhsus joy medihand. Az rui tarzi kommutasiya Stansiyai telefoni dasti (RTS) va Stansiyai telefon avtomati (ATS) mavjudand. RTS bo kommutatori telefon jihozonida meshavad va kanalhoro operator —telefonist kommutasiya mekunad. Dar ATS kommutasiyai kanadho avtomati ijro meshavad. ATS-ho az rui navi olati kommutasioni ATS-i moshini, dekadi-qadami, koordinatavi, kvazielektroni, elektroni meshavand. Dar avvali inkishofi aloqai telefoni faqat RTS istifoda meshud. Dar asri 20 avtomatonii aloqai telefoni sar shud. Ibtidoi solhoi 70 aksar shabakahoi telefon bo ATS jihozonida shud; alhol RTS dar barobari ATS faqat dar shabakai baynishahri istifoda meshavad. ATS az tajhizoti zerin iborat ast: sistemai kommutasioni va olati idorakunanda; olati vorida baroi vasl kardani khathoi aloqai telefoni ba sistemai kommutasioni, dastgohi tamini energiya; olathon yorirason (ventilyasioni, garmkuni va gayra).

Sistemai kommutasioni (SK) va olati idorakunanda (OI) odatan dar tolori avtomatho joy megirand (rasm). Tavassuti SK bo yorii OI nuqtahoi vorida va sodirai ATS ba ham vasl karda meshavand; baroi in dar apparati telefon raqami zaruriro giriftan lozim ast. Dar aksar sistemahoi mavjudai ATS nuqtahoi vorida va sodira zina ba zina vasl karda meshavand; har yak zina OI-i khudro dorad, ki zinai justuju nom dorad.

Olati voridai ATS dar khonai alohida joy doda meshavad. Dar in khona kontakthoi vorida gird ovarda meshavand. kabelhoi magistralii aloqa va kabelhoi khathoi payvandkunanda, ki gunjoishi kalon dorand, ba kabelhoi gunjoishashon khurdtar judo meshavand.

Dastgohi tamini energiyaro odatan komllekti olati rostkunanda, batareyai akkumulyatorho, olati avtokommutasiyai batareya, stansiyai elektrii dizeli (stasionari yo sayyor) va gayra tashkil medihand.

Инчунин кобед

samolyot

SAMOLYOT

SAMOLYOT, apparati parishi muharriku boldori vaznintar az havoet, ki baroi parvoz dar atmosfe¬ra tain shudaast. …