Transceiver ea optical ke sesebelisoa se fetolang matšoao a mangata a E1 hore e be lipontšo tsa optical.Transceiver ea optical e boetse e bitsoa lisebelisoa tsa optical transmission.Li-transceivers tsa optical li na le litheko tse fapaneng ho latela palo ea likou tsa E1 (ke hore, 2M) tse fetisoang.Ka kakaretso, transceiver e nyane ka ho fetisisa ea optical e ka fetisa 4 E1s.Transceiver e kholo ka ho fetisisa ea hona joale ea optical e ka fetisa 4032 E1s, 'me E1 ka' ngoe e kenyelletsa lithelefono tse 30.Joale, transceiver ea optical 2m e bolela'ng, hona kamano pakeng tsa transceiver ea optical E1 le 2M ke efe?

Mefuta ea li-transceivers tsa optical, li-transceivers tsa optical li arotsoe ka lihlopha tsa 3: PDH, SPDH, SDH.Li-transceivers tsa optical PDH ke li-transceivers tsa optical tse nyenyane, tse sebelisoang ka bobeli ka bobeli, tse bitsoang li-point-to-point applications, 'me bokhoni ba tsona ka kakaretso ke 4E1, 8E1, le 16E1.SDH optical transceiver e na le matla a maholo, ka kakaretso 16E1 ho 4032 E1, SPDH optical transceiver, pakeng tsa PDH le SDH.Ka kakaretso, transceiver ea optical e feta PDH optical transceiver, e leng sesebelisoa sa ho fetola photoelectric.Ka kakaretso, transceiver ea optical e nang le kou e le 'ngoe ea optical le likou tse' nè tsa motlakase tsa 2M ke tsona tse tloaelehileng ka ho fetisisa.Hangata basebetsi ba telecom ba e sebelisa ho fetisa melaetsa ea lentsoe.Ofising e bohareng, terminal ea optical e fetola lets'oao la motlakase la 2M hore e be lets'oao la optical ebe le le fetisetsa ka thapo ea optical.Kamora ho fihla pheletsong ea mosebelisi, lets'oao la optical le fetoloa letšoao la motlakase la 2M, ke hore, ts'ebeletso ea 2M e romelloa lisebelisoa tsa lentsoe tse kang PCM.'Me li-transceivers tsa fiber optic li sebelisoa haholo puisanong ea data.Hape ke mofuta oa thepa ea ho fetola photoelectric.Ka kakaretso, ho na le likou tse fetang bonngoe tsa optical le likou tse 'maloa tsa Ethernet.E fetola matšoao a optical hore e be matšoao a Ethernet, a sebelisetsoang ho romela lits'ebeletso tsa data ho lisebelisoa tsa puisano tsa data tse kang li-routers kapa li-switches.

Bakeng sa li-transceivers tsa optical, 2M ha e le hantle e bolela hore 1550 wavelength ea ho qetela e na le 2M bandwidth, e sebelisetsoang ho fetisa lintlha tsa taolo ea 485, 'me ho na le 1.25G, 155M le tse ling tse joalo, ke bandwidth e hlokahalang bakeng sa phetiso ea video, ha e le hantle mocha oa 1 oa video. hloka 155M.Li-transceivers tsa Optical E1 le 2M ha e le hantle li fapane ka polelo.E1 ke polelo ea sehlopha maemong a Europe a PDH (e tsamaellanang le sehlopha sa maemo a Amerika Leboea ke T1, ke hore 1.5M).Bakeng sa tekanyo ea E1 e tloaelehileng ea Europe ke 2M, kahoo 2M e atisa ho sebelisoa ho emela E1.Hape ho ka boleloa hore E1 ke lebitso la saense 'me 2M ke lebitso le tloaelehileng.Nakong ea SDH, tekanyo ea VC12 (le TU-12) kamanong ea multiplexing ea SDH e ne e le haufi le 2M (ha e le hantle e seng 2048K), batho ba bang ba boetse ba bitsa tsena 2M, e hlileng e sa nepahalang.Bakeng sa boema-kepe ba E1 sesebelisoa, hangata bo bitsoa boema-kepe ba 2M, 'me e lokela ho ba boqapi ba E1 hore bo nepahale.Ka mokhoa o ts'oanang, boema-kepe ba 34M e lokela ho ba boema-kepe ba E3, 'me boema-kepe ba 45M e be boema-kepe ba DS3.Boema-kepe ba 140M ke boema-kepe ba E4.