工业集线器管理接口模块解决方案

Release time:2018-12-25
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source: Ameya360
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1、 前言

工业集线器的主要功能是对接收到的信号进行再生整形放大,以扩大网络的传输距离,同时把所有节点集中在以它为中心的节点上。它工作于 OSI(开放系统互联参考模型) 参考模型第一层,即“物理层”。集线器与网卡、网线等传输介质一样,属于局域网中的基础设备,采用 CSMA/CD(即带冲突检测的载波监听多路访问技术 ) 介质访问控制机制。集线器每个接口简单的收发比特,收到 1 就转发 1,收到 0 就转发 0,不进行碰撞检测。

工业集线器管理接口模块解决方案

2、 方案概述

Ameya360 工业集线器管理接口模块解决方案提供共享型 100Mbps Fast Ethernet 的能力,又能在同一集线器中灵活连接 10Mbps 的 Ethernet 设备或用户。每个端口的 10/100Mbps 自适应能力透明支持 10Mbps 和 100Mbps 共享型连接,能自动检测端口连接的 PC
NIC 的速度,并把数据传输到相应的网段。在该集线器内部集成的一个 2 端口交换机确保 10Mbps 用户和 100Mbps 用户能够无缝集成。提供最平稳、最经济和最高效升级到 Fast Ethernet 的手段:它可以与现有的 10Mbps
NIC 配合工作;当改用 10/100 NIC 时,它便自动升级为 100Mbps 连接。它是可扩展的解决方案,用户在需要时可以增加 SNMP/RMON 管理模块,还可以把它与原有的 SuperStack
II PS Hub 40/50 堆叠在一起。

工业集线器管理接口模块解决方案

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