AS-BBKF-202

集線器的工作原理： 集線器并不處理或檢查其上的通信量，僅通過將一個端口接收的信號重 復(fù)分發(fā)給其他端口來擴展物理介質(zhì)。所有連接到集線器的設(shè)備共享同一 介質(zhì)，其結(jié)果是它們也共享同一沖突域、廣播和帶寬。因此集線器和它 所連接的設(shè)備組成了一個單一的沖突域。如果一個節(jié)點發(fā)出一個廣播信 息，集線器會將這個廣播傳播給所有同它相連 的節(jié)點，因此它也是一 個單一的廣播域。

AS-BBKF-202

聯(lián)系人：郭先生
聯(lián)系電話：18971415643《優(yōu)先》
座機：027-83238871
傳真：207-61537051
QQ：810334512《優(yōu)先》

AS-BBKF-202

ABB在中國通過與當(dāng)?shù)睾献骰锇榈拿芮泻献�，在輸配電、自動化產(chǎn)品和 系 統(tǒng)等方面都建立起了強大的生產(chǎn)基地。業(yè)務(wù)包括完整系列的電力變壓器 和配電變壓器；高、中、低壓開關(guān)應(yīng)用；電氣傳動系統(tǒng)和電機等。這些 產(chǎn)品已廣泛應(yīng)用于工業(yè)和電力行業(yè)。ABB追求卓越質(zhì)量，其企業(yè)和產(chǎn)品 均已成為業(yè)內(nèi)的基準。 ABB在工程和項目管理方面的能力，表現(xiàn)在金屬 、制漿、化學(xué)、生命科學(xué)、汽車工業(yè)、電力行業(yè)自動化以及建筑系統(tǒng)等 多個領(lǐng)域。

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