供應(yīng)德國交換機(jī) 西門子6GK5874-3AA00-2AA2

時間：2019-06-17作者：廈門彬碩自動化科技有限公司瀏覽：1

德國西門子交換機(jī)意為“開關(guān)”是一種用于電（光）信號轉(zhuǎn)發(fā)的網(wǎng)絡(luò)設(shè)備。它可以為接入交換機(jī)的任意兩個網(wǎng)絡(luò)節(jié)點(diǎn)提供*享的電信號通路。較常見的交換機(jī)是以太網(wǎng)交換機(jī)。其他常見的還有電話語音交換機(jī)、光纖交換機(jī)等。
交換機(jī)工作于OSI參考模型的*二層，即數(shù)據(jù)鏈路層。交換機(jī)內(nèi)部的CPU會在每個端口成功連接時，通過將MAC地址和端口對應(yīng)，形成一張MAC表。在今后的通訊中，發(fā)往該MAC地址的數(shù)據(jù)包將僅送往其對應(yīng)的端口，而不是所有的端口。因此，交換機(jī)可用于劃分?jǐn)?shù)據(jù)鏈路層廣播，即沖突域；但它不能劃分網(wǎng)絡(luò)層廣播，即廣播域。


廈門彬碩自動化科技有限公司 聯(lián)系人 胡凡禹

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廈門彬碩自動化科技有限公司專注于西門子,圖爾克,施耐德,皮爾茲等等

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• 供應(yīng)德國交換機(jī)6GK5104-2BB00-2AA3

  廈門彬碩自動化 特價(jià)西門子 3TK 3UG 3RP 3RS 3RK 3TX 3RV 3RT 3RK 6GK 6EP 6SY 6RY 6DD 6SE70 6SB 6SL PILZ Balluff bender SQUARE-D TURCK IFM ITE-SIENEMS Schneider繼電器 胡凡禹 《誠信服務(wù)》《質(zhì)量保證》《優(yōu)質(zhì)售后》《服務(wù)至上》 廈門彬碩，打破低價(jià)只為長期合作，沒有彬碩給不了

• 供應(yīng)德國交換機(jī) 西門子6GK5874-3AA00-2AA2

  德國西門子交換機(jī)意為“開關(guān)”是一種用于電（光）信號轉(zhuǎn)發(fā)的網(wǎng)絡(luò)設(shè)備。它可以為接入交換機(jī)的任意兩個網(wǎng)絡(luò)節(jié)點(diǎn)提供*享的電信號通路。較常見的交換機(jī)是以太網(wǎng)交換機(jī)。其他常見的還有電話語音交換機(jī)、光纖交換機(jī)等。 交換機(jī)工作于OSI參考模型的*二層，即數(shù)據(jù)鏈路層。交換機(jī)內(nèi)部的CPU會在每個端口成功連接時，通過將MAC地址和端口對應(yīng)，形成一張MAC表。在今后的通訊中，發(fā)往該MAC地址的數(shù)據(jù)包將僅送往其對應(yīng)的端口，