查询词典 ethernet network

The 2000 series Ethernet Switch was designed by ZTE corporation up to date, which was located in the core networking. And it also could be used in WAN and MAN.In practical networking, there is "Broadcast storm(the network is blocked by too many broadcast packet)"as a result of ethernet ring, which seriously effect the network cap- ability.

2000系列以太网交换机是中兴通讯股份有限公司最新研发的、具备路由功能的以太网交换机，定位于企业网的核心层和汇聚层，能够应用于运营商网络，作为电信城域网的汇聚交换机、接入交换机来使用。

According to the demanding of network support system in the domain of industrial control, and referring to the design principle of commercial Ethernet, this paper designs structure of industrial Ethernet which is based on delaminated structure and afford a communication platform which is secure and stabile and mutual operation for industrial control system, at the same time designs a remote monitor system of industrial Ethernet which is based on Internet.

根据工业控制领域对网络支持系统的要求，借鉴商业以太网的设计原则和方法，设计了基于分层结构化工业以太网结构，拟为工业控制系统提供了一个安全、稳定、互操作性好的通信平台；同时，按照该设计思路和原则，本课题设计了一个基于Internet的工业以太网远程监控系统。

The application of industry Ethernet control system has realized the integrating of enterprises control system and the management information system without has carried aperture. The embedded web Ethernet control system based on TCP/IP protocol is run through each level of the control system. As a network node, the equipment on the spot, equipment engineer and enterprise administrative staff are linked through Ethernet and form an organic whole .

工业以太网控制系统的应用实现了企业控制、管理信息的无缝集成，嵌入式web以太网控制系统基于TCP／IP贯穿于控制系统各个层次，将孤立的现场设备和设备工程师以及企业管理人员均作为一个网络节点通过以太网有机连接在一起，形成一个有机的整体。

In this situation, low cost ethernet technology is introduced into metropolitan network. ring network control protocol is also adopted for ring networking. ring network protection technologies are applied to guarantee the manageability and reliability of telecom network. ethernet ring network objectives are defined in the protocol draft itu-t g.8032, and carrier ethernet ring technology is also standardized.

为了适应这一转变，人们将低成本的以太网技术引入城域网络中，同时采用环网控制协议进行环形组网，利用环网保护技术来实现电信网络要求的可管理性及可靠性。itu-t g.8032给出了以太环网的组网目标及定义，规范了电信级以太网环网技术。

Considering the significant practical meaning of experimental platform for network control system research, the author implements an Ethernet Networked Motion Control Open Platform, which includes a speed servo motor driver as a net node with embedded Ethernet interface using digital signal processor; a network controller based on PC which is convenient for realizing sorts of control algorithm; network flow disturbers, helping control on network congestion; a visual graphical monitor system on real time network data, displaying control system state curve dynamically.

系统选用电机速度伺服控制系统作为网络控制的目标对象，采用高性能数字信号处理器设计实现了内含以太网接口的电机驱动器网络化节点；设计了可方便实现各种控制算法的基于PC机的网络控制器；设计了网络流量干扰节点，可对网络拥塞程度实现定性控制；设计实现了图形化网络数据监视系统，动态显示控制系统状态曲线。

Its complete product line, fiber-optic network, both external power supply type also has built-in power type, both stand-alone also has the standard 19 rack-mount products, covering Ethernet, Fast Ethernet, Gigabit Ethernet and ATM network used in fiber-optic transceivers, fiber optic switches and fiber optic modems and other equipment. early in 1999, netLINK first time in Greater China to launch a technology leader in the industry have the adaptive function of 10/100 Fast Ethernet Media Converter (HTB -1100 series), and its excellent cost performance by customers. October 24, 2001 to 27 in Shanghai 2001 International Electronic Products Exposition and fifty-eighth session of Electronics Show , the Haitong exhibited Netlink Technologies Limited and the exclusive agent of Nufiber company, CTS Corporation a full range of fiber-optic network products, as well as Intelligent Network standard 16-slot rack-mount fiber optic media converter, RS-232/422/485 up mode / single-mode fiber converter and other new products, attracted the attention of the industry and well received by the audience and the fiber-optic network customers.

其光纤网络产品系列齐全，既有外置电源型也有内置电源型，既有独立式也有标准19机架式产品，涵盖以太网、快速以太网、千兆以太网和ATM网络用的光纤收发器、光纤交换机及光纤数据机等各种设备。1999年初，netLINK首先推出当时在大中华区业界处于技术领先的有10/100自适应功能的快速以太网媒体转换器（HTB-1100系列），并以其优异的性能价格比广受客户的欢迎。2001年10月24日至27日在上海举行的2001国际电子产品博览会和第五十八届电子产品展览会上，海通科技有限公司展出了netLINK和独家代理的Nufiber公司、CTS公司全系列的光纤网络产品以及智能网管型16槽标准机架式的光纤媒体转换器、RS-232/422/485至多模/单模光纤转换器等新产品，深深吸引了业界的注意和广受观众和光纤网络客户的欢迎。

Tools are designed to provide a comprehensive set of monitoring utilities and packet sniffers to be used for capture, statistical analysis, and protocol decoding in your Ethernet network.

这个工具的设计是为了提供一个监测实用程序全面的设置，以及在你的以太网网络中进行封包嗅探进而截获命令，统计分析，协议解码。

As repeaters, thereby extending the distance of your Ethernet network.

因此你的以太网络扩展的距离

In the design of the hardware and software of this system, the design of two Ethernet network cards is the innovative and pinch point.

本论文采用以Samsung公司生产的S3C4510B处理器为核心构建电路，并选用uClinux为操作系统来构建嵌入式网关系统。

Taking the communication server as the core,the data transmission layer collects data from other intelligent devices with 103 protocols,Modbus protocols,pro-bus protocols or TCP / Modbus protocols,which are converted as dual Ethernet network data and then transmitted to monitoring system and dispatch center via hub.

重点介绍了通信网络的构成，网络管理层基于TCP/IP的以太网络通信，采用站内103通信规约，数据传输层以通信服务器为核心，向下采集其他智能设备数据，支持任何采用103规约及采用Modbus通信规约、pro-bus通信规约或采用TCP/Modbus协议的智能设备，并将采集到的数据转换成以太网双网数据，通过交换机上传至监控系统及调度中心。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。