Ethernet là công nghệ mạng cục bộ (LAN) phổ biến, giúp kết nối các thiết bị trong một mạng nội bộ với tốc độ và hiệu suất cao. Được phát triển từ những năm 1970, Ethernet hiện nay đã trở thành nền tảng chính cho các hệ thống truyền tải dữ liệu trên toàn thế giới. Ethernet là gì? Ethernet là công nghệ truyền tải dữ liệu giữa các thiết bị trong mạng LAN, cho phép truyền tải ổn định với tốc độ cao. Các ứng dụng của Ethernet rất đa dạng, từ mạng doanh nghiệp, gia đình đến các hệ thống IoT và công nghiệp. Ethernet sử dụng các cáp kết nối như UTP (Unshielded Twisted Pair), STP (Shielded Twisted Pair), hoặc cáp quang để truyền tín hiệu. Xem bài chi tiết: Ethernet là gì - Tiêu chuẩn, Đặc điểm, CAT và Đầu nối RJ45 Cấu trúc và ưu điểm của Ethernet Cấu trúc mạng: Bao gồm cáp, switch, router và các thiết bị đầu cuối (máy tính, máy in, server,...). Ưu điểm: Tốc độ cao, dễ triển khai, ổn định và bảo mật. Tuy nhiên, Ethernet có hạn chế về khoảng cách truyền tải và dễ bị ảnh hưởng bởi sét hoặc nhiễu điện từ. ⚡ Nguy cơ từ sét đánh và cách bảo vệ Ethernet Mạng Ethernet có thể bị hỏng do sét hoặc quá áp. Điều này có thể gây gián đoạn mạng và hư hại thiết bị như router, switch, máy chủ. Để bảo vệ mạng khỏi những nguy cơ này, bạn cần sử dụng: Thiết bị chống sét mạng lan: Lắp đặt các thiết bị chống sét để bảo vệ nguồn điện và hệ thống mạng. Cáp chống nhiễu: Dùng cáp STP hoặc FTP để giảm thiểu tác động từ nhiễu điện từ. UPS chống sét: Lắp đặt bộ lưu điện có tính năng chống sét để bảo vệ các thiết bị trong hệ thống. Tổng kết Ethernet là lựa chọn tuyệt vời cho các hệ thống mạng với tốc độ cao và ổn định. Tuy nhiên, đừng quên trang bị các biện pháp bảo vệ để đảm bảo an toàn cho hệ thống của bạn khỏi sét và quá áp. Hãy liên hệ với TAEC để được tư vấn miễn phí về giải pháp chống sét cho mạng Ethernet của bạn!
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