芙蓉区办公大楼网络建设方案湖南计算机股份有限公司二〇〇二年九月十五日目录第1章、前言.....................................................................................5第2章、系统总体结构设计..........................................................72.1系统目标..................................................................................72.2系统设计原则..........................................................................72.3总体结构................................................................................10第3章、网络系统设计.................................................................113.1网络系统的总体设计原则...................................................113.2网络关键技术的选择............................................................133.2.1千兆以太网.....................................................................143.2.2三层交换技术.................................................................143.2.3虚拟网技术（VLAN）...................................................163.2.4优先级服务（Cos）和质量服务(Qos)..........................163.2.5网络技术的分析与对比.................................................173.3网络系统的设计方案............................................................193.3.1网络总体设计思想.........................................................193.3.2网络设备厂商的选择.....................................................193.3.3网络产品的选择.............................................................203.3.4网络系统设计的配置及描述.........................................253.3.5网络拓扑结构图.............................................................273.3.6网络方案的特点.............................................................27第4章、布线系统设计................................................................324.1用户环境分析和系统设想....................................................324.2综合布线各子系统的设计....................................................394.2.1工作区子系统设计.........................................................394.2.2水平布线子系统的设计.................................................404.2.3管理子系统设计.............................................................414.2.4干线子系统设计.............................................................414.3水平布线部分的实施............................................................414.4工作区部分的实施................................................................424.5管理子系统的实施................................................................434.6光纤布线的实施....................................................................444.7语音及数据干线敷设............................................................444.7.1语音干线敷设.................................................................444.7.2数据干线的敷设.............................................................444.7.3投影系统布线.................................................................454.8系统测试和验收....................................................................454.8.1系统测试.........................................................................454.8.2系统文挡和验收.............................................................46第5章、中心机房防雷系统........................................................475.1产品选型...........................
