电信基站/移动基站专用 门禁管理系统
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<span style="color: black; font-family: 宋体"><font size="2"><strong>电信基站门禁管理的特点</strong></font></span>
<p style="line-height: 150%"><span style="color: black; font-family: 宋体"><font size="2">通常无人值守,需要维修的时候才派技术人员过去。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"><br />
</font></span><span style="color: black; font-family: 宋体"><font size="2">数量多,一般一个城市的电信基站少则数百个,多则数千个。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"><br />
</font></span><span style="color: black; font-family: 宋体"><font size="2">分布范围广,各基站很分散,分布在城市的各个角落。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"><br />
</font></span><span style="color: black; font-family: 宋体"><font size="2">每个基站需要的门禁数量少。</font></span><span style="color: black; font-family: ˎ̥"><font face="宋体" size="2"> </font></span><span style="color: black; font-family: 宋体"><font size="2">每个基站有价值昂贵的电信设备。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"> </font></span></p>
<p style="line-height: 150%"><strong><span style="color: black; font-family: 宋体"><font size="2">电信单位对无人值守基站门禁管理的需求</font></span></strong><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"><br />
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</font></span><span style="color: black; font-family: 宋体"><font size="2"> 不能再采用传统的机械钥匙来管理各个基站。机械锁和钥匙不适合基站这样的对安全、稳定、可靠要求高的场合。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"><br />
</font></span><span style="color: black; font-family: 宋体"><font size="2"> 由于分布范围广,专门为门禁系统布线是不可能的。单独布线不仅成本极度高昂,而且施工有难度。而采用无线设备用于门禁,性能会相当不稳定。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"><br />
ADSL</font></span><span style="color: black; font-family: 宋体"><font size="2">设备是电信基站得天独厚的资源,成本较低,是电信部门的自有资源。所以可以优先考虑使用</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2">ADSL</font></span><span style="color: black; font-family: 宋体"><font size="2">进行组网控制门禁系统。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"><br />
</font></span><span style="color: black; font-family: 宋体"><font size="2"> 虽然已经有了专门的基站监控系统,但是由于在门禁方面不够专业,还是存在安全隐患或者功能缺陷。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"><br />
</font></span><span style="color: black; font-family: 宋体"><font size="2"> 要有灵活的权限管理,能及时且灵活地对基站的进出人员进行授权。授权指定人员对指定门有进出权限。因为基站往往是在派遣工作人员前才对工作人员对该门授权的。所以,电信管理部门</font></span><span style="color: black; font-family: ˎ̥"><font face="宋体" size="2"> </font></span><span style="color: black; font-family: 宋体"><font size="2">今天打算派</font></span><span style="color: black; font-family: ˎ̥"><font face="宋体" size="2"> </font></span><span style="color: black; font-family: 宋体"><font size="2">张三和李四去</font></span><span style="color: black; font-family: ˎ̥"><font face="宋体" size="2"> </font></span><span style="color: black; font-family: 宋体"><font size="2">某个基站,就当天授权他们可以通过该基站的门,张三和李四就可以前往维护,其他时间他们是不能随便出入该基站的门的。电信管理部门只可能在管理中心授权,不可能到基站现场授权,所以必须远程控制。有的门禁系统采用将权限写在卡上面,这样虽然也可以实现管理中心集中临时授权,但无法解决及时挂失问题。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"><br />
</font></span><span style="color: black; font-family: 宋体"><font size="2"> 能实时监控各基站门的状况,当有意外发生时,能及时报警。因为电信基站无人值守,里面陈列了价值数十万的甚至数百万的电信设备,所以管理中心一定要能及时了解各基站门的开启情况,当有意外发生时,根据报警信息,及时采取措施,减少损失。采用联网型门禁系统后,有问题的离职人员利用套配的钥匙或者未来得及注销的当地的卡,或者私自授权的卡</font></span><span style="color: black; font-family: ˎ̥"><font face="宋体" size="2"> </font></span><span style="color: black; font-family: 宋体"><font size="2">盗取或者破坏电信设备或其他不法分子破门而入盗取电信设备的事情发生时,管理中心可以实时监控到这些信息,对非法闯入予以报警,可以实时通知公安部门擒拿罪犯。</font></span><span lang="EN-US" style="color: black; font-family: ˎ̥"><font face="宋体" size="2"> </font></span></p>
<p style="line-height: 150%"><span class="style131"><span style="font-family: 宋体"><font size="2"><strong>本解决方案相对于其他无人值守门禁系统解决方案的优缺点分析</strong></font></span></span></p>
<p style="line-height: 150%"><span style="font-family: 宋体"><font size="2"> 门禁系统对于基站无人值守门禁功能上没有太大区别</font></span><font size="2"><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">主要的重点和难点在于联网通讯模式上</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">市面上常见的通讯模式解决方案有以下几种</span></font><span lang="EN-US"><font face="宋体" size="2">:</font></span></p>
<p style="line-height: 150%"><strong><span style="font-family: 宋体"><font size="2">方式</font></span><font size="2"><span style="font-family: 宋体">一</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">: </span></font><span style="font-family: 宋体">通过固定</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">IP,</span></font><span style="font-family: 宋体">用</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">TCP/IP </span></font><span style="font-family: 宋体">互联网进行通讯</span></font></strong></p>
<p style="line-height: 150%"><span lang="en-us"><font size="2"><span style="font-family: 宋体"> </span></font></span><font size="2"><span style="font-family: 宋体">该方式和我们的方案的模式是类似的</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">缺点是</span><font face="宋体"> </font><span style="font-family: 宋体">固定</span><font face="宋体"><span lang="EN-US">IP</span></font><span style="font-family: 宋体">的电信越来越稀缺的资源</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">即使固定</span><font face="宋体"><span lang="EN-US">IP</span></font><span style="font-family: 宋体">是电信的自有资源</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">也会舍不得用</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">一个固定</span><font face="宋体"><span lang="EN-US">IP</span></font><span style="font-family: 宋体">的年租金达数千元</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">如果门禁系统每个点都占用一个固定</span><font face="宋体"><span lang="EN-US">IP</span></font><span style="font-family: 宋体">费用太高</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">如果只是总部占用一个固定</span><font face="宋体"><span lang="EN-US">IP,</span></font><span style="font-family: 宋体">分部采用主动上报的方式进行通讯</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">这信息如果并发的话容易引起冲突</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">使得出现通讯故障</span></font><span lang="EN-US"><font face="宋体" size="2">.</font></span><span class="unnamed11"><span style="font-family: 宋体"><font size="2"><br />
我方提供的方案无需固定</font></span><span lang="EN-US"><font face="宋体" size="2">IP, </font></span><span style="font-family: 宋体"><font size="2">国内</font></span><font face="宋体" size="2"> </font><span style="font-family: 宋体"><font size="2">国外</font></span><font face="宋体" size="2"> </font><span style="font-family: 宋体"><font size="2">有许多网络服务商提供免费的动态域名</font></span><span lang="EN-US"><font face="宋体" size="2">,</font></span><span style="font-family: 宋体"><font size="2">如果一家停止服务了</font></span><span lang="EN-US"><font face="宋体" size="2">,</font></span><span style="font-family: 宋体"><font size="2">也可以方便地换另外一家</font></span><span lang="EN-US"><font face="宋体" size="2">.</font></span><span style="font-family: 宋体"><font size="2">而且这些网络服务商都是知名的网络公司</font></span><span lang="EN-US"><font face="宋体" size="2">,</font></span><span style="font-family: 宋体"><font size="2">运营相当稳定</font></span><span lang="EN-US"><font face="宋体" size="2">. </font></span></span></p>
<p style="line-height: 150%"><strong><span style="font-family: 宋体"><font size="2">方式</font></span><font size="2"><span style="font-family: 宋体">二</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">: </span></font><span style="font-family: 宋体">通过</span><span lang="en-us"><font face="宋体">4</font></span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">85-TCP/IP </span></font><span style="font-family: 宋体">转换器</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">,</span></font><span style="font-family: 宋体">将普通的</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">RS485</span></font><span style="font-family: 宋体">或者</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">RS232</span></font><span style="font-family: 宋体">控制器转换成可以支持</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">TCP/IP</span></font><span style="font-family: 宋体">的方式进行联网</span></font><span lang="EN-US" style="font-family: ˎ̥"><font face="宋体" size="2">.</font></span></strong></p>
<p style="line-height: 150%"><span style="font-family: 宋体"><font size="2"> 这种通讯模式在某种意义上是假的</font></span><font size="2"><font face="宋体"><span lang="EN-US">TCP/IP</span></font><span style="font-family: 宋体">通讯模式</span><font face="宋体"><span lang="EN-US">, </span></font><span style="font-family: 宋体">这种方式从原理上好像是可以实现的</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">测试一下好像也能通</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">实际存在以下隐患</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">这种转换在软件和硬件上都存在一定的延时</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">对于通讯速度要求高</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">或者门禁指令长的情况</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">就有可能通讯不上</span><font face="宋体"><span lang="EN-US">. </span></font><span style="font-family: 宋体">这种通讯质量和通讯延时</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">更不适合</span><font face="宋体"><span lang="EN-US">internet</span></font><span style="font-family: 宋体">广域网的数据通讯</span><font face="宋体"><span lang="EN-US">.<br />
</span></font><span style="font-family: 宋体"> 如果加载的门禁控制器设备超过几十台</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">就有可能不堪负担</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">即存在负载数量少的问题</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">在较大的门禁系统中根本无法实施</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">这种方案很多厂家是采用虚拟串口的方式</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">将</span><font face="宋体"><span lang="EN-US">IP</span></font><span style="font-family: 宋体">地址虚拟为本机的一个串口</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">虚拟串口是个很不稳定的软件状态</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">一旦后台的虚拟程序运行出现问题</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">或者无意中没有运行</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">门禁软件就无法和门禁系统进行通讯</span><font face="宋体"><span lang="EN-US">.TCP/IP</span></font><span style="font-family: 宋体">转换器是通用型设备</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">而每家门禁厂家的通讯格式都有不同</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">这样就存在兼容性的问题</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">同样一个</span><font face="宋体"><span lang="EN-US">TCP/IP</span></font><span style="font-family: 宋体">转换器对某家门禁系统没有大问题</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">但有可能对另外一家门禁系统就存在兼容性问题</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">转换器公司也绝不会单独为某家门禁公司产品做个性化的设计</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">同时</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">门禁公司一般大致测试一下</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">觉得可以用</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">就推给客户了</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">这样是很不负责的</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">两个产品之间好的兼容特性</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">必须通过大量的测试</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">局部的修改和调整</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">大量的市场反馈才能够获得的</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">所以这种实施方式</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">只适合原有的</span><font face="宋体"><span lang="EN-US">485/232</span></font><span style="font-family: 宋体">门禁系统要简易改造成局域网门禁</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">而且门禁点的数量不能太多</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">笔者不建议您这样做</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">因为因此带来的不稳定性会增加更多的麻烦</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">这个方式的优点有两个</span><font face="宋体"><span lang="EN-US">:</span></font><span style="font-family: 宋体">其一</span><font face="宋体"> </font><span style="font-family: 宋体">门禁开发商方便了</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">任何普通的门禁系统加上个转换器就可以实现</span><font face="宋体"><span lang="EN-US">TCP</span></font><span style="font-family: 宋体">通讯了</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">免去了开发新设备的麻烦</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">或者在真正</span><font face="宋体"><span lang="EN-US">TCP</span></font><span style="font-family: 宋体">控制器开发出来之前先对付一下销售</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">但这个有点对消费者来说是不利的</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">只是对厂家有利</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">其二</span><font face="宋体"><span lang="EN-US">:</span></font><span style="font-family: 宋体">可以多台控制器共用一个转换器</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">可以节约一点成本</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">但是其实意义不大</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">一般无人值守基站就一两个门需要门禁控制</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">况且我方的方案可以有八个端口可以使用</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">每个端口可以接一台单门</span><font face="宋体"> </font><span style="font-family: 宋体">双门</span><font face="宋体"> </font><span style="font-family: 宋体">或者</span><font face="宋体"> </font><span style="font-family: 宋体">四门控制器</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">最多可以控制一个基站的</span><font face="宋体"><span lang="EN-US">32</span></font><span style="font-family: 宋体">道门</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">如果还需加大还有解决方案</span></font><span lang="EN-US"><font face="宋体" size="2">. </font></span><span style="font-family: 宋体"><font size="2"><br />
而我方的方案采用了自带</font></span><font size="2"><font face="宋体"><span lang="EN-US">TCP/IP</span></font><span style="font-family: 宋体">接口</span><font face="宋体"><span lang="EN-US">(</span></font><span style="font-family: 宋体">注意</span><font face="宋体"><span lang="EN-US">:</span></font><span style="font-family: 宋体">不是</span><font face="宋体"><span lang="EN-US">TCP/IP</span></font><span style="font-family: 宋体">模块</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">有些产品带了一个</span><font face="宋体"><span lang="EN-US">TCP</span></font><span style="font-family: 宋体">模块</span><font face="宋体"><span lang="EN-US">,TCP</span></font><span style="font-family: 宋体">模块多半是第三方的产品</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">核心技术在模块供应商</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">出现兼容性问题</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">门禁设备的开发商无法彻底分析和解决问题</span><font face="宋体"><span lang="EN-US">.),</span></font><span style="font-family: 宋体">就好像自带了网卡一台计算机一样</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">通讯数据直接通过中央处理器和存储芯片就行数据处理和交换存储</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">没有转换延时</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">确保通讯数据处理的直接</span><font face="宋体"> </font><span style="font-family: 宋体">快速</span><font face="宋体"> </font><span style="font-family: 宋体">稳定</span></font><span lang="EN-US"><font face="宋体" size="2">.</font></span></p>
<p style="line-height: 150%"><strong><span style="font-family: 宋体"><font size="2">方式</font></span><font size="2"><span style="font-family: 宋体">三</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">: </span></font><span style="font-family: 宋体">通过</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">GPRS</span></font><span style="font-family: 宋体">或者短信</span><font face="宋体"><span style="font-family: ˎ̥"> </span></font><span style="font-family: 宋体">进行联网</span></font></strong></p>
<p style="line-height: 150%"><font size="2"><span style="font-family: 宋体"><span lang="en-us"> </span>这个方式的最大优点是</span><font face="宋体"> </font><span style="font-family: 宋体">可以免布线</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">通过无线传输</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">只要手机信号可以覆盖到的地区都可以进行联网</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">这个优点对其他行业的无人值守门禁有意义</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">但对电信无人值守基站意义不大</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">因为电信基站电话网络线是肯定有且很富裕的</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">电信基站不太关注是否需要无线来联网</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">但同时无线联网带来一系列的问题是值得三思的</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">无线相对于有线毕竟是不稳定的</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">无线的信号经常会收到干扰甚至屏蔽</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">例如我们的手机经常会出现通讯质量不好</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">或者收不到信号的情况</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">如果通讯不稳定</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">如果临时要派人去某个基站</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">但无法进行授权</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">工作人员就无法顺利进入基站</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">耽误工作和处理故障的时间</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">如果某个基站被非法闯入</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">如果这个时候通讯不通</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">总部就无法实时获得报警信息</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">而无法采取措施</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">如果非法进入者进入后</span><font face="宋体"> </font><span style="font-family: 宋体">掐断或者</span><font face="宋体"> </font><span style="font-family: 宋体">断电</span><font face="宋体"><span lang="EN-US"> GPRS</span></font><span style="font-family: 宋体">或者短信通讯设备</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">总部更是永远无法获得报警信息</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">犯罪者可以有足够的时间从容作案</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">此外</span><font face="宋体"><span lang="EN-US">,GPRS</span></font><span style="font-family: 宋体">和短信模式是通过流量计费的</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">如果要实时进行通讯</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">费用巨大</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">如果不实时处理</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">就会无法判断是通讯是否中断</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">刷卡信息和报警信息就无法及时传到总部</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">有些厂家采用了变通的做法</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">就是基站有刷卡或者报警的时候才发出信息给总部以节约流量费用</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">这个模式存在三个缺点</span><font face="宋体"><span lang="EN-US">:</span></font><span style="font-family: 宋体">其一</span><font face="宋体"> </font><span style="font-family: 宋体">如果无线通讯被干扰或者中断</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">信息无法及时传到总部</span><font face="宋体"><span lang="EN-US">, </span></font><span style="font-family: 宋体">其二</span><font face="宋体"> </font><span style="font-family: 宋体">如果多个地点同时发生信息</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">总部未必可以处理好大量数据并发的情况</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">可能会因为数据拥挤丢失数据</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">其三</span><font face="宋体"><span lang="EN-US">:</span></font><span style="font-family: 宋体">通讯接通速度慢</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">操作员等待行累</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">数据信息获取流量小而有限</span></font><span lang="EN-US"><font face="宋体" size="2">.</font></span><span style="font-family: 宋体"><font size="2"><br />
而我方采用的</font></span><font size="2"><font face="宋体"><span lang="EN-US">ADSL</span></font><span style="font-family: 宋体">或者其他宽带上网</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">采用的</span><font face="宋体"><span lang="EN-US">ADSL</span></font><span style="font-family: 宋体">月租上网</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">而且是电信自有资源</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">费用不高</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">且可控制</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">信息流通量大</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">且可以实时监控所有门禁</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">所有刷卡信息和报警信息几乎可以实时传达到总部</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">操作员操作方便轻松快捷</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">系统通讯稳定可靠</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">随时可以发现被中断的线路</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">且门禁系统具备自动拨号功能</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">如果停电后来电等都可以自动拨号上网</span></font><span lang="EN-US"><font face="宋体" size="2">.</font></span></p>
<p style="line-height: 150%"><strong><span style="font-family: 宋体"><font size="2">方式</font></span><font size="2"><font face="宋体"><span style="font-family: ˎ̥">四</span><span lang="EN-US" style="font-family: ˎ̥">: </span></font><span style="font-family: 宋体">通过电话线</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">MODEN</span></font><span style="font-family: 宋体">拨号联网</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">.</span></font></font></strong></p>
<p style="line-height: 150%"><span lang="en-us"><font face="宋体" size="2"> </font></span><font size="2"><span style="font-family: 宋体">这个是</span><font face="宋体"><span lang="EN-US">TCP/IP</span></font><span style="font-family: 宋体">方式流行前</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">普遍采用的远程通讯模式</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">优点是</span><font face="宋体"> </font><span style="font-family: 宋体">也是利用电信资源电话线</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">缺点是</span><font face="宋体"><span lang="EN-US">: MODEN</span></font><span style="font-family: 宋体">拨号方式不稳定</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">经常中断</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">接入联通速度慢</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">操作员操作等待时间长</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">传输数据信息量不大</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">该通讯模式已经趋于淘汰</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">不适合产品以后的升级和扩展</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">如果长期联通</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">电话费用高</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">如果不长期联通</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">缺乏信息反馈和报警反馈的实时性</span></font><span lang="EN-US"><font face="宋体" size="2">.</font></span></p>
<p style="line-height: 150%"><strong><span style="font-family: 宋体"><font size="2">方式</font></span><font size="2"><span style="font-family: 宋体">五</span><font face="宋体"><span lang="EN-US" style="font-family: ˎ̥">: </span></font><span style="font-family: 宋体">通过可读可写卡存储门禁信息进行联网</span></font></strong></p>
<p style="line-height: 150%"><font size="2"><span style="font-family: 宋体"><span lang="en-us"> </span>这个实现方式是</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">员工如果要派去某个基站执行工作任务</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">在总部通过发卡机将这个员工的权限</span><font face="宋体"><span lang="EN-US">(</span></font><span style="font-family: 宋体">何时可以合法进入那些基站</span><font face="宋体"><span lang="EN-US">)</span></font><span style="font-family: 宋体">写在卡里</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">该员工持该卡到相应的基站进门工作</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">进入的时间记录存贮在卡里</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">下次拿回时将进门信息</span><font face="宋体"><span lang="EN-US">(</span></font><span style="font-family: 宋体">时间和地点记录</span><font face="宋体"><span lang="EN-US">)</span></font><span style="font-family: 宋体">提取到电脑里备查</span><font face="宋体"><span lang="EN-US">. </span></font><span style="font-family: 宋体">优点是</span><font face="宋体"><span lang="EN-US">:</span></font><span style="font-family: 宋体">无需联网</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">无其他任何通讯费用</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">缺点是</span><font face="宋体"><span lang="EN-US">: </span></font><span style="font-family: 宋体">不方便临时调度</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">员工只有回到总部重新授权后</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">才能去临时要去的基站</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">信息没有实时性</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">无报警功能</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">挂失不方便</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">不及时</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">挂失麻烦</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">需要将该卡号到所有点就行挂失</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">不能在总部统一挂失</span></font><span lang="EN-US"><font face="宋体" size="2">.</font></span><span style="font-family: 宋体"><font size="2"><br />
而我方采用的方案</font></span><font size="2"><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">可以实时处理报警信息</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">授权和挂失卡权限</span><font face="宋体"><span lang="EN-US">. </span></font><span style="font-family: 宋体">如果基站有非法闯入</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">报警信息会第一时间反馈到总部控制室的电脑屏幕上</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">并驱动电脑音响提醒值班人注意</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">采取措施</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">通知附近的公安执勤人员迅速看到现场</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">捉拿罪犯</span><font face="宋体"><span lang="EN-US">.</span></font><span style="font-family: 宋体">也可以驱动现场的警报器</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">威吓犯罪人员</span><font face="宋体"><span lang="EN-US">. </span></font><span style="font-family: 宋体">可以灵活机动快速地处理临时调度</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">例如</span><font face="宋体"> </font><span style="font-family: 宋体">工作人员现在正在</span><font face="宋体"><span lang="EN-US">A</span></font><span style="font-family: 宋体">基站工作</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">总部得到通知</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">需要其马上赶往</span><font face="宋体"><span lang="EN-US">B</span></font><span style="font-family: 宋体">基站</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">这样总部管理人员就可以通知其马上赶往</span><font face="宋体"><span lang="EN-US">B</span></font><span style="font-family: 宋体">基站</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">并通过系统对其授权其可以进入</span><font face="宋体"><span lang="EN-US">B</span></font><span style="font-family: 宋体">基站</span><font face="宋体"><span lang="EN-US">,</span></font><span style="font-family: 宋体">并随时可以监控</span><font face="宋体"> </font><span style="font-family: 宋体">该人员是否及时赶到了</span><font face="宋体"><span lang="EN-US">B</span></font><span style="font-family: 宋体">基站</span></font><span lang="EN-US"><font face="宋体" size="2">.</font></span></p>
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深圳视沃电子有限公司
专业从事感应式(RF射频技术)门禁系统及其配套产品的研发、生产、销售及工程设计,公司拥有自主知识产权的核心技术,开发出的产品因其技术性能优良、价格合理而特别适合国内用户。
公司秉持多年来技术创新的精神,在智能卡系统领域不断的取得进步。目前产品广泛应用于写字楼、小区、政府、企业、学校、医院、银行等。兆科泰电子有限公司与一般公司的区别在于她拥有一批专业的技术开发队伍,门禁产品的品种全面,能根据客户需求修改软件或更改硬件,真正意义上的满足客户的要求,解除客户售后服务之忧!
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