Ngomlawuli / 04 Mar 23 /0Amazwana Iyini i-ONU (Optical Network Unit) futhi ithini imininingwane? Yini i-ONU?Namuhla, i-ONU empeleni ivame kakhulu ezimpilweni zethu.Uxhumano lwenethiwekhi olunikezwa u-opharetha olufakwe ekhaya lawo wonke umuntu lubizwa nge-Optical Modem, eyaziwa nangokuthi idivayisi ye-ONU.Inethiwekhi ka-opharetha ixhunywe kudivayisi yokubona, bese ixhunywa embobeni ye-PON ye... Funda kabanzi Ngomlawuli / 09 Dec 22 /0Amazwana Ungakhetha kanjani imodyuli ye-optical? Uma sikhetha imojuli ye-optical, ngaphezu kokupakishwa okuyisisekelo, ibanga lokudlulisela, nezinga lokudlulisela, kufanele futhi sinake izici ezilandelayo: 1. Izinhlobo zeFibre zohlobo lweFibre zingahlukaniswa zibe imodi eyodwa kanye nemodi eminingi.Amaza amaza amaphakathi wemodi yokubona eyodwa... Funda kabanzi Ngomphathi / 08 Dec 22 /0Amazwana Ukwakheka kwesakhiwo kanye nemingcele ebalulekile yezobuchwepheshe yemojula yokubona Igama eligcwele lemojula ye-optical i-optical transceiver, okuyithuluzi elibalulekile ohlelweni lokuxhumana lwe-fiber optical.Inesibopho sokuguqula isignali yokubona eyamukelwe ibe isignali kagesi, noma ukuguqula isignali kagesi yokufaka ... Funda kabanzi Ngomphathi / 07 Dec 22 /0Amazwana Yiziphi izinhlobo zamamojula optical akhona? 1. Ihlukaniswa ngokwesilinganiso sohlelo lokusebenza lwe-Ethernet: 100Base (100M), 1000Base (Gigabit), 10GE.Izinga lesicelo se-SDH: 155M, 622M, 2.5G, 10G.Izinga lesicelo se-DCI: 40G, 100G, 200G, 400G, 800G noma ngaphezulu.2. Ukuhlelwa ngephakheji Ngokusho kwephakheji: 1×9, SFF, SFP, GBIC, XENPAK... Funda kabanzi Ngomphathi / 07 Dec 22 /0Amazwana Isetshenziselwa ini imojuli ye-optical? Imojuli ye-optical iyidivayisi yokuguqula isignali yezithombe zikagesi, engafakwa kumpahla ye-transceiver yesignali yenethiwekhi njengamarutha, amaswishi, nezinto zokudlulisa.Kokubili amasignali kagesi kanye ne-optical amasignali amaza kazibuthe.Uhla lokudluliswa kwamasignali kagesi lim... Funda kabanzi Ngu Admin / 18 May 22 /0Amazwana Amathrendi embonini ye-PON Inethiwekhi ye-PON nge-OLT (ngokuvamile egumbini), i-ODN, i-ONU (ngokuvamile kumsebenzisi, noma eduze nendawo yephaseji yomsebenzisi) izingxenye ezintathu, phakathi kwazo, ingxenye ephakathi kwe-OLT kuya ku-ONU yomugqa kanye nemishini ayisebenzi, ebizwa kanjalo. inethiwekhi ye-passive optical (PON), ebizwa nangokuthi i-optical... Funda kabanzi 123456Okulandelayo >>> Ikhasi 1/7