Na Admin / 11 Oct 22 /0Nā Manaʻo ʻO ke ʻano hoʻomalu ʻokoʻa ma waena o LAN Pehea e komo ai a hoʻomalu i nā polokalamu kamepiula like ʻole ma o ka media ma ka LAN e hoʻomaopopo mua ʻia penei. I ka wā kahiko, ua hoʻohana ʻia ʻo Ethernet e hoʻopili i nā laina āpau o nā kamepiula home i ke kaʻa e ʻike ai i ka kamaʻilio like ʻana o nā kamepiula. Ke hoʻohana nei i kēia ʻano hana e hoʻouna i ka ʻikepili, pono ʻoe ... Heluhelu hou aku Na Admin / 10 Oct 22 /0Nā Manaʻo Ka Mahana, Laki, Voltage, Transmitter, a me ka Mea Loaʻa o Optical Module 1、 Ka wela hana ʻO ka mahana hana o ka module optical. Maʻaneʻi, pili ka mahana i ka mahana o ka hale. ʻEkolu mau mahana hana o ka module optical, ka mahana pāʻoihana: 0-70 ℃; ʻOihana wela: – 40 ℃ – 85 ℃; Aia kekahi exp... Heluhelu hou aku Na Admin / 09 Oct 22 /0Nā Manaʻo He aha ka Diode? [Wehewehe] Hoʻokumu ʻia ka Diode me kahi hui PN, a hiki i ka photodiode ke hoʻololi i ka hōʻailona opi i hōʻailona uila, e like me ia i hōʻike ʻia ma lalo nei: ʻO ka maʻamau, ua hoʻopili ʻia ka paʻa covalent i ka wā e hoʻomālamalama ʻia ka hui PN me ka mālamalama. Hoʻokumu kēia i nā lua a me nā pālua electron. Hoʻokumu ʻia ka photocurrent ma muli o ... Heluhelu hou aku Na Admin / 08 Oct 22 /0Nā Manaʻo Hoʻomaopopo mua o LAN ʻO LAN ka mea kaulana loa a mākou e hoʻohana nei i kēia lā. He aha ka LAN? ʻO ka Local Area Network (LAN) e pili ana i kahi hui o nā kamepiula i hoʻopili ʻia e nā kamepiula lehulehu ma kekahi wahi me ka hoʻohana ʻana i kahi ala hoʻolaha. ʻOi aku ka nui o kēia wahi, ʻoi aku ka nui o nā mea e hiki ke kamaʻilio me kekahi. A ʻo ka ... Heluhelu hou aku Na Admin / 29 Sep 22 /0Nā Manaʻo He aha ka Ethernet switch a pehea e hana ai? Me ka hoʻomohala wikiwiki ʻana o nā kamepiula a me kā lākou ʻenehana hoʻopili (ʻike ʻia ʻo "ʻenehana ʻenehana"), ua lilo ʻo Ethernet i ka ʻoihana kamepiula ʻelua-papa pōkole me ka helu kiʻekiʻe loa i kēia manawa. ʻO ka mea nui o Ethernet ka hoʻololi Ethernet. Manual a me... Heluhelu hou aku Na Admin / 28 Sep 22 /0Nā Manaʻo He aha ka VCSEL laser? ʻO VCSEL, i kapa ʻia ʻo Vertical Cavity Surface Emitting Laser i piha, he ʻano laser semiconductor. I kēia manawa, hoʻokumu ʻia ka hapa nui o nā VCSEL ma GaAs semiconductor, a ʻo ka lōʻihi o ka hawewe hoʻokuʻu ʻia i loko o ka pūʻulu nalu infrared. I ka makahiki 1977, ua hoʻokumu ʻo Polofesa Ika Kenichi o ke Kulanui o ʻenehana ʻo Tokyo ... Heluhelu hou aku << < Mamua22232425262728Aʻe >>> ʻAoʻao 25 / 74