Zivo

Sezvinoratidzwa mumufananidzo uri pamusoro, tinogona kunzwisisa kutaridzika kweRJ45 maererano nemufananidzo, asi kwete yese RJ45 interfaces yakafanana neiyo iri pamusoro apa ndeye RJ11 interfaces, iyo isingazokurukurwa kwenguva pfupi.Iwo ma switch akarongwa padivi nepadivi ane akawanda RJ45 ports, ayo anogona...

Kazhinji kutaura, kuenderana kwe optical modules kunoreva kana ma modules anogona kushanda zvakajairika pamidziyo yekutaurirana yemhando dzakasiyana nevagadziri.Iyo tekinoroji yemukati ye optical modules yakaderera, uye sumo yavo iri nyore.Nekuda kweizvozvo, vazhinji t...

kana iyo OSI referensi modhi, switch inoshanda pachikamu chechipiri chemuenzaniso uyu, data link layer.Sezvinoratidzwa mumufananidzo unotevera, switch ine zviteshi zvisere.Kana mudziyo ukabairwa muchinjiko kuburikidza neRJ45, switch's master chip inozoona madoko akabairwa munetiweki...

PON module imhando ye optical module.Inoshanda pane OLT terminal midziyo uye inobatana neONU hofisi michina.Icho chikamu chakakosha chePON network.PON optical modules inogona kukamurwa kuita APON (ATM PON) optical modules, BPON (broadband passive network) optical modules, EPON (Ethernet...

FHSS, frequency hopping kupararira tekinoroji tekinoroji, pasi pemamiriro ekuyananisa uye panguva imwe chete, inogamuchira masaini anofambiswa neakamanikana-bhendi anotakura emhando chaiyo (iyi fomu chaiyo ine chaiyo frequency, nezvimwewo) kumigumo yese.Kune anogamuchira asina chaiyo mhando, hop...

OFDM yakatsanangurwa muIEEE802.11a.Zvichienderana neiyi nzira yekumisikidza, isu tinofanirwa kuziva kuti OFDM chii kuti tinzwisise akasiyana maprotocol.Chii chinonzi OFDM?OFDM yakakosha yakawanda-inotakura modulation tekinoroji.Iyi tekinoroji ine chinangwa chekukamura chiteshi kuita akati wandei orthogonal sub-channel, uye ...