Litaba
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Ke mefuta efe ea li-interface tsa transceiver ea optical ea mohala?
Mefuta e atisang ho sebelisoa ea thelefono ea li-transceivers tsa thelefono tsa optical ke: sehokelo sa loop relay (FXO), segokanyimmediamentsi sa analog subscriber line (FXS), hotline thelefono (fono ea semmuso), segokanyimmediamentsi sa magnete thelefono.Li-transceiver tsa optical tsa thelefono li sebelisoa ha li tsamaisana.Mohala ka...Bala haholoanyane -
Kenyelletso ea tikoloho e sebetsang ea 8-port PoE Switch
8-port POE netweke switjha "Le ka mohla chesa sesebediswa" bohlale POE switjha, e tsoetseng pele ho intša algorithm e matla feela IEEE 802.3af thepa ea ho qetela, kahoo ha ho na lebaka la ho tšoenyeha ka ho senya poraefete maemo a PoE kapa thepa e seng ea PoE.Sistimi e bohlale ea phepelo ea motlakase, ts'ireletso e ngata haholo, ...Bala haholoanyane -
Kenyelletso ea sehlahisoa sa 8-port poe switch
Sesebelisoa sa POE se nang le likou tse robeli (JHA-P30208CBMH) se fana ka phetiso ea matla le data ho sebelisa lithapo tsa Category 5 Ethernet ho tloha node ea marang-rang.Li-port tsa 8+2 tse potlakileng tsa Ethernet li ka sebelisoa bakeng sa khokahano ea 10/100Mps, eo likou tse 8 tsa tsona li ka fanang ka matla a indasteri a IEEE802.3af.The e tsoetseng pele ea ho itlhahloba al...Bala haholoanyane -
Joang ho leka ho lumellana ha li-module tsa optical tse lumellanang?
Batho ba atisang ho reka li-module tsa optical ba tseba hore optical fiber modules hangata ba hloka ho netefatsa khoutu ea ho lumellana, hobane hona joale ho na le mefuta e 'meli' marakeng, e 'ngoe ke mochine o sebetsang hantle o sebetsang hantle,' me e 'ngoe ke mochine oa optical oa mochine oa pele oa phetoho. .Lekhalo la litheko...Bala haholoanyane -
U ka tseba joang phepelo ea motlakase ea POE bakeng sa li-switches tse tloaelehileng?
PoE switch e bolela sesebelisoa se ka fanang ka matla a marang-rang ho li-terminals tse tsamaisoang ka hole ka thapo ea marang-rang.Ke sesebelisoa sa phepelo ea motlakase se batlang se tloaelehile lits'ebetsong tsa phepelo ea motlakase ea PoE.Leha ho le joalo, haeba switch e se na tšebetso ea POE, na mojule oa phepelo ea motlakase oa poe o ka eketsoa ...Bala haholoanyane -
Kenyelletso ea tšebeliso ea li-module tsa optical
Optical module, haholo-holo e bua ka mochine o monyenyane o pakiloeng oa optical o ka fetohang hot-swapped.Ke mochine oa optical o ka fetoloang ka ho chesa nakong ea ts'ebetso le ho sebelisoa boema-kepe ba lisebelisoa.E sebelisoa haholo ho hokahanya sesebelisoa (ka kakaretso e bua ka sesebelisoa kapa sesebelisoa sa router).Motlakase...Bala haholoanyane -
Ke hofe ho molemo ho sebelisa CWDM/DWDM Multiplexer?
CWDM/DWDM wavelength division multiplexing lisebelisoa tse sebelisoang Ha litlhoko tsa batho bakeng sa bandwidth li ntse li phahama le ho feta, lisebelisoa tsa Dense Wavelength Division Multiplexing (DWDM) li entse tsoelo-pele e kholo ho fokotsa litšenyehelo, kahoo li ntse li ratoa haholoanyane 'marakeng.Leha ho le joalo, ...Bala haholoanyane -
Phapano ke efe lipakeng tsa CWDM/DWDM Multiplexer?
Ha ho hahoa marang-rang a libaka tsa metse e meholo (haholo-holo marang-rang a nako e telele a OTN optical transmission), lisebelisoa tsa ho arola likarolo tsa wavelength li bohlokoa ka ho khetheha.Thepa ea DWDM dense wavelength division multiplexing e na le bokhoni ba phetisetso ea nako e telele, e phahameng ea bandwidth;...Bala haholoanyane -
Ke eng e etsang hore lets'oao la RS485 le sitisoe?
Mosebetsi o ka sehloohong oa 485 converter ke ho fetola letšoao la RS-232 le phethiloeng ka mokhoa o le mong hore e be pontšo e leka-lekaneng ea RS-485 kapa RS-422.Ka lebaka la phetiso ea tlhahisoleseling ea nako e telele le bokhoni bo matla ba ho thibela tšitiso, li-converter tsa rs485 li sebelisoa haholo puisanong ea ts'ireletso le masimong a mang....Bala haholoanyane -
Mabaka a ho hloleha ha module oa optical ke afe?
Mojule oa optical o sebelisoa haholo ho fetolela lets'oao la motlakase sesebelisoa (hangata le bua ka sesebelisoa kapa sesebelisoa sa router) hore e be lets'oao la optical, ebe o le fetisetsa ka fiber ea optical (e kentsoeng ke pheletso e fetisang ea optical module), le e ka amohela optica ea kantle ...Bala haholoanyane -
Phapano ke efe lipakeng tsa boema-kepe ba RJ45 le boema-kepe ba SFP ba switch?
Joalo ka ha bohle re tseba, li-switches tsa Gigabit Ethernet hangata li na le mefuta e 'meli ea likou: likou tsa RJ45 le likou tsa SFP.Mefuta ka bobeli ea likou e ka tsamaisa phetiso ea Gigabit Ethernet, joale phapang ke efe lipakeng tsa tsona?Ke mofuta oa mofuta ofe oa sesebelisoa sa Gigabit Ethernet se lokelang ho sebelisoa ho hlokomela sehokelo sa Gigabit Ethernet ...Bala haholoanyane -
Bohlokoa ba optical fiber transceiver ho CCTV / IP network surveillance system
Matsatsing ana, tlhahlobo ea video ke sesebelisoa sa bohlokoa bakeng sa maemo ohle a bophelo.Ho hahoa ha mekhoa ea ho shebella livideo tsa marang-rang ho nolofalletsa ho beha leihlo libaka tsa sechaba le ho fumana boitsebiso.Leha ho le joalo, ka ho tsebahala ha lits'ebetso tse phahameng tsa litlhaloso le tse bohlale tsa video ...Bala haholoanyane
