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    • Na Admin / 17 Sep 22 /0Manaʻo manaʻo

      awa Ethernet - RJ45

      E like me ka mea i hōʻike ʻia ma ka kiʻi ma luna, hiki iā mākou ke hoʻomaopopo i ke ʻano o RJ45 e like me ke kiʻi, akā ʻaʻole nā ​​​​pili RJ45 a pau e like me ka mea i hōʻike ʻia ma luna nei he mau pilina RJ11, ʻaʻole e kūkākūkā ʻia no kekahi manawa. Hoʻonohonoho ʻia nā hoʻololi i kēlā me kēia ʻaoʻao me nā awa RJ45 he nui, kahi e hiki ai ...
      awa Ethernet - RJ45
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    • Na Admin / 16 Sep 22 /0Manaʻo manaʻo

      Hoʻohālikelike o nā Modules Optical

      Ma ka ʻōlelo maʻamau, ʻo ka hoʻohālikelike ʻana o nā modules optical e pili ana inā hiki i nā modules ke hana maʻamau i nā lako kamaʻilio o nā ʻano like ʻole a me nā mea hana. He haʻahaʻa haʻahaʻa ka ʻenehana o nā modules optical, a he maʻalahi ko lākou hoʻolauna. ʻO ka hopena, nui nā t...
      Hoʻohālikelike o nā Modules Optical
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    • Na Admin / 15 Sep 22 /0Manaʻo manaʻo

      Ke Kumu Hana o ka Switch

      a i ʻole ke kumu hoʻohālike OSI, hana ke kuapo ma ka papa ʻelua o kēia kükohu, ka papa loulou data. E like me ka mea i hōʻike ʻia ma kēia kiʻi, ʻewalu mau awa ka hoʻololi. Ke hoʻopili ʻia kahi hāmeʻa i ka hoʻololi ma o RJ45, e ʻike ka puʻupuʻu haku o ka hoʻololi i nā awa i hoʻopili ʻia i ka pūnaewele...
      Ke Kumu Hana o ka Switch
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    • Na Admin / 14 Sep 22 /0Manaʻo manaʻo

      Introduction to PON Module

      ʻO kahi module PON kahi ʻano o ka module optical. Hoʻohana ia ma nā lako kikowaena OLT a pili pū me nā lako keʻena ONU. He mea nui ia o ka pūnaewele PON. Hiki ke hoʻokaʻawale ʻia nā modules optical PON i nā modules optical APON (ATM PON), BPON (broadband passive network) optical modules, EPON (Ethernet...
      Introduction to PON Module
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    • Na Admin / 08 Sep 22 /0Manaʻo manaʻo

      Ke Kumu o ka Frequency Hopping Spread Spectrum Communication (FHSS)

      FHSS, frequency hopping spread spectrum technology, ma lalo o ke ʻano o ka synchronization a me ka manawa like, e ʻae i nā hōʻailona i hoʻouna ʻia e nā mea lawe haiki o kahi ʻano kikoʻī (ʻo kēia ʻano kikoʻī he alapine kikoʻī, etc.) ma nā kihi ʻelua. No ka mea hoʻokipa me kahi ʻano kikoʻī ʻole, ka hop...
      Ke Kumu o ka Frequency Hopping Spread Spectrum Communication (FHSS)
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    • Na Admin / 07 Sep 22 /0Manaʻo manaʻo

      OFDM — 802.11 Hōʻike Kūkākūkā

      Ua noi ʻia ʻo OFDM ma IEEE802.11a. Ma muli o kēia ʻano o ka modulation, pono mākou e ʻike i ke ʻano o OFDM e hoʻomaopopo i nā protocols like ʻole. He aha ka OFDM? ʻO OFDM kahi ʻenehana modulation multi-carrier kūikawā. Ke manaʻo nei kēia ʻenehana e hoʻokaʻawale i kahi kahawai i kekahi mau sub-channels orthogonal, a ...
      OFDM — 802.11 Hōʻike Kūkākūkā
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