聯(lián)系人 廈門彬碩-小胡
電話18900224342 0592-5588308 QQ：469126278德國西門子交換機意為“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的任意兩個網(wǎng)絡(luò)節(jié)點提供獨享的電信號通路。最常見的交換機是以太網(wǎng)交換機。其他常見的還有電話語音交換機、光纖交換機等。SIEMENS: 3RK 3RA 3RB 3RF 3RG 3RH 3RN 3RP 3RS 3RT 3RV 3RX 3SK 3TC 3TD 3TG 3TH 3TK 3TS 3TX 3UF 3UG 3LD 8WD 6GK 6SE70 6SY 6DD 6RY 6SB 6SL39特價供應(yīng)交換機在同一時刻可進行多個端口對之間的數(shù)據(jù)傳輸。每一端口都可視為獨立的物理網(wǎng)段（注：非IP網(wǎng)段），連接在其上的網(wǎng)絡(luò)設(shè)備獨自享有全部的帶寬，無須同其他設(shè)備競爭使用。當(dāng)節(jié)點A向節(jié)點D發(fā)送數(shù)據(jù)時，節(jié)點B可同時向節(jié)點C發(fā)送數(shù)據(jù)，而且這兩個傳輸都享有網(wǎng)絡(luò)的全部帶寬，都有著自己的虛擬連接6GK5786-2FC00-1AA0
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