Iindaba zeshishini
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Yintoni i-STP kwaye yintoni i-OSI?
Yintoni i-STP?I-STP (i-Spanning Tree Protocol) yinkqubo yonxibelelwano esebenza kwinqanaba lesibini (idatha yekhonkco yedatha) kwimodeli yenethiwekhi ye-OSI.Ukusetyenziswa kwayo okusisiseko kukuthintela iilophu ezibangelwa zikhonkco ezingafunekiyo ekutshintsheni.Isetyenziselwa ukuqinisekisa ukuba akukho loop kwi-Ethernet.Ingqiqo uku...Funda ngokugqithisileyo -
Yintoni utshintsho olulawulwayo&SNMP?
Yintoni utshintsho olulawulwayo?Umsebenzi wenguqu elawulwayo kukugcina zonke izixhobo zenethiwekhi zikwimeko efanelekileyo.Iimveliso zokutshintsha zolawulo womnatha zibonelela ngeendlela ezahlukeneyo zolawulo lwenethiwekhi ezisekelwe kwizibuko lolawulo lwe-terminal (Console), esekelwe kwiphepha leWebhu kunye nokuxhasa iTelnet ukungena kwi-n...Funda ngokugqithisileyo -
Yintoni i-Optical fiber transceiver?
I-Optical fiber transceiver yiyunithi yokuguqula imidiya ye-Ethernet etshintshanisa umgama omfutshane ojijekileyo wemiqondiso yombane kunye nemiqondiso yokubona ekude.Ikwabizwa ngokuba sisiguquli sefayibha kwiindawo ezininzi.Imveliso isetyenziswa ngokubanzi kwindawo yothungelwano yokwenene apho...Funda ngokugqithisileyo -
Yintoni isaqhwithi sosasazo&i-Ethernet iringi?
Yintoni isaqhwithi sosasazo?Isiqhwithi sosasazo sithetha nje ukuba xa idatha yosasazo ikhukula inethiwekhi kwaye ayikwazi ukuqhutyelwa phambili, ithatha inani elikhulu le-bandwidth yenethiwekhi, okubangelwa ukungakwazi kweenkonzo eziqhelekileyo ukuqhuba, okanye ukukhubazeka okupheleleyo, kunye "nesiphango sokusasaza". .Funda ngokugqithisileyo -
Iimpawu eziphambili zeteknoloji yeGPON
(1) I-bandwidth ephezulu engazange ibonwe ngaphambili.Izinga le-GPON liphezulu njenge-2.5 Gbps, enokubonelela nge-bandwidth enkulu ngokwaneleyo ukuhlangabezana nemfuno ekhulayo ye-bandwidth ephezulu kwiinethiwekhi ezizayo, kunye neempawu zayo ze-asymmetric ziyakwazi ukulungelelanisa ngakumbi kwimarike yenkonzo yedatha ye-broadband.(2) Ukufikelela kwinkonzo epheleleyo...Funda ngokugqithisileyo -
Yintoni iGPON&EPON?
Yintoni iGpon?I-GPON (i-Gigabit-Capable PON) iteknoloji yisizukulwana samva nje se-broadband passive optical access access technology esekelwe kumgangatho we-ITU-TG.984.x.Ineenzuzo ezininzi ezinje nge-bandwidth ephezulu, ukusebenza kakuhle okuphezulu, ukugubungela okukhulu, kunye nojongano lomsebenzisi otyebileyo.Uninzi lwabasebenzisi banikezela ...Funda ngokugqithisileyo -
Yintoni utshintsho lwe-PoE?Umahluko phakathi kokutshintsha kwePoE kunye nePoE + switch!
Ukutshintsha kwe-PoE sisixhobo esisetyenziswa ngokubanzi kushishino lokhuseleko namhlanje, kuba lutshintshi olunikezela amandla kunye nokuhanjiswa kwedatha kwi-remote switch (ezifana neefowuni ze-IP okanye iikhamera), kwaye idlala indima ebaluleke kakhulu.Xa usebenzisa iiswitshi ze-PoE, ezinye iiswitshi ze-PoE ziphawulwa nge-PoE, kwaye ezinye zi-mar...Funda ngokugqithisileyo -
Yintoni i-DVI optical transceiver?Zeziphi izinto eziluncedo ze-DVI optical transceiver?
I-transceiver ye-DVI optical yenziwe yi-DVI transmitter (DVI-T) kunye ne-DVI receiver (DVI-R), ehambisa i-DVI, i-VGA, i-Audip, kunye ne-RS232 izibonakaliso nge-fiber-mode-mode eyodwa.Yintoni i-DVI optical transceiver?I-DVI i-optical transceiver sisixhobo se-terminal se-DVI isignali yokubona...Funda ngokugqithisileyo -
Izilumkiso ezine zokusetyenziswa kwe-fiber optic transceivers
Kulwakhiwo lwenethiwekhi kunye nokusetyenziswa, ekubeni umgama ophezulu wokuhanjiswa kwentambo yenethiwekhi ngokubanzi i-100 yeemitha, kuyimfuneko ukusebenzisa izixhobo zokubuyisela ezifana ne-transceivers fiber optical xa uhambisa inethiwekhi yokuhambisa umgama omde.Iitransceivers zefiber ye-Optical fiber ngokubanzi ngathi...Funda ngokugqithisileyo -
Ziziphi iimpazamo eziqhelekileyo kunye nezisombululo ze-HDMI i-transceivers optical video?
I-HDMI i-transceiver ye-optical sisixhobo se-terminal sosasazo lwe-optical signal.Kuluhlu olubanzi lwezicelo, kudla ngokuyimfuneko ukuhambisa umthombo wesiginali ye-HDMI kumgama wokusetyenzwa.Ezona ngxaki zibalaseleyo zezi: ukuphoswa kombala kunye nokufiphala kophawu olufunyenwe kude, ghostin...Funda ngokugqithisileyo -
Ngowuphi umgama wothumelo omkhulu we-POE yokutshintsha kombane?
Ukwazi umgama omkhulu wothumelo lwe-PoE, kufuneka siqale siqonde ukuba zeziphi izinto eziphambili ezimisela umgama omde.Enyanisweni, ukusebenzisa iintambo ze-Ethernet eziqhelekileyo (isibini esijijekileyo) ukusasaza amandla e-DC unokuthwalwa kumgama omde, ongaphezulu kakhulu kune-dist yothumelo...Funda ngokugqithisileyo -
Yintoni imodyuli yamehlo?
Imodyuli ye-optical yenziwe ngezixhobo ze-optoelectronic, iisekethe ezisebenzayo kunye ne-optical interfaces.Isixhobo se-optoelectronic sibandakanya iinxalenye ezimbini: ukuhambisa kunye nokwamkela.Ukubeka nje, umsebenzi wemodyuli ye-optical kukuguqula umqondiso wombane ube ngumqondiso wokukhanya ekuthumeleni ...Funda ngokugqithisileyo
