Site na Admin / 15 Sep 22 /0Okwu Ụkpụrụ ọrụ nke Switch ma ọ bụ ihe ngosi OSI, mgba ọkụ na-arụ ọrụ na oyi akwa nke abụọ nke ihe nlereanya a, oyi akwa njikọ data. Dị ka egosiri na ọnụ ọgụgụ na-esonụ, mgba ọkụ nwere ọdụ ụgbọ mmiri asatọ. Mgbe etinyere ngwaọrụ n'ime mgba ọkụ site na RJ45, mgbawa isi mgba ọkụ ga-achọpụta ọdụ ụgbọ mmiri etinyere na netwọkụ. GỤKWUO Site na Admin / 14 Sep 22 /0Okwu Okwu mmalite nke PON Module Modul PON bụ ụdị modul anya. Ọ na-arụ ọrụ na ngwa OLT ma jikọọ na ngwa ụlọ ọrụ ONU. Ọ bụ akụkụ dị mkpa nke netwọk PON. Enwere ike kewaa modul ngwa anya PON na APON (ATM PON) modul anya, BPON (broadband passive network) modul anya, EPON (Ethernet... GỤKWUO Site na Admin / 08 Sep 22 /0Okwu Ụkpụrụ nke Nkwukọrịta Spectrum Hopping Frequency Hopping Spread Spectrum (FHSS) FHSS, ugboro hopping gbasaa teknụzụ dị iche iche, n'okpuru ọnọdụ nke mmekọrịta na imekọ ihe ọnụ, na-anabata akara na-ebufe site warara-band ebu nke otu ụdị (ụdị a kpọmkwem nwere kpọmkwem ugboro, wdg) na nsọtụ abụọ. Maka onye nnata na-enweghị ụdị ọ bụla, hop ahụ ... GỤKWUO Site na Admin / 07 Sep 22 /0Okwu OFDM — 802.11 Nkọwa Protocol Atụpụtala OFDM na IEEE802.11a. Dabere na usoro mgbanwe a, anyị kwesịrị ịma ihe OFDM bụ ịghọta usoro iwu dị iche iche. Kedu ihe bụ OFDM? OFDM bụ teknụzụ modulation multi-ebu pụrụ iche. Teknụzụ a na-achọ kewaa ọwa n'ọtụtụ ọwa orthogonal, yana ... GỤKWUO Site na Admin / 06 Sep 22 /0Okwu Ngụkọta ọnụ ọgụgụ ụkpụrụ nke Wi-Fi 6 80211ax Kedu otu esi agbakọ ọnụego nke Wi-Fi 6? Nke mbụ, maa site na mmalite ruo na njedebe: Ọnụ ọgụgụ nke iyi oghere ga-emetụta ọnụego nnyefe. Ọnụ ọgụgụ nke ibe n'ibe nke ọ bụla subcarrier nwere ike ibunye bụ ọnụọgụ koodu ibe n'otu ụgbọ ala. Ka ọnụọgụ koodu dị elu, ọ ka mma. Ole ... GỤKWUO Site na Admin / 05 Sep 22 /0Okwu Kedu ihe bụ IEEE 802ax: (Wi-Fi 6) - na kedu ka o si arụ ọrụ ngwa ngwa? Nke mbụ, ka anyị mụta maka IEEE 802.11ax. Na njikọ WiFi, a na-akpọ ya WiFi 6, nke a makwaara dị ka netwọk mpaghara ikuku na-arụ ọrụ nke ọma. Ọ bụ ọkọlọtọ netwọk mpaghara ikuku. 11ax na-akwado eriri 2.4GHz na 5GHz, ma nwee ike ịlaghachi azụ dakọtara na protoco a na-ejikarị. GỤKWUO << < gara aga45678910Ọzọ >>> Peeji nke 7/47