6GK7443-1GX10-0XE0
網橋 網橋概述： 依據幀地址進行轉發的二層網絡設備，可將數個局域網網段連接在一起 。網橋可連接相同介質的網段也可訪問不同介質的網段。網橋的主要作 用是分割和減少沖突。它的工作原理同交換機類似，也是通過MAC地址 表進行轉發。網橋主要完成三個功能：轉發、過濾數據幀；幀格式轉換 ；傳輸速率轉換。 透明網橋：無需改動設備的軟硬件配置，即可完成LAN互連的網橋。交換 機可看做多端口透明網橋。 路由器的簡單介紹
6GK7443-1GX10-0XE0
聯系人：郭先生
聯系電話：18971415643《優先》
座機：027-83238871
傳真：207-61537051
QQ：810334512《優先》
6GK7443-1GX10-0XE0
1984年：西門子為中國建設了第一條高壓直流輸電線。這條輸電線可 以將1,200兆瓦的電力從位于長江中游的當時中國最大的水力發電站— —葛洲壩水電站輸送到遠在千里之外的上海市。此項工程于1989年竣工 ，標志著西門子對中國高壓直流電力的傳輸作出了巨大的貢獻，同時也 顯示了西門子在安裝高技術設備方面的專業性及其產品的可靠性。
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