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综合布线(Cabling)
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coogar
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语音主干与水平语音点是否按2:1比例设计?
语音主干与水平语音点是否按2:1比例设计?...
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coogar
发布于: 2007-5-6 11:32
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电梯直达
今天看到了一个系统的说明,里边有这么一句话,想请问大家是不是有这方面的标准。还是有什么其它的原因??
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michikoxzg
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michikoxzg
发表于 2007-5-6 20:13:00
<p>我的理解:水平语音点为实际使用的.主干语音为了扩容及预留.一用一备.</p>
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zhangyagang
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zhangyagang
发表于 2007-5-7 08:17:00
<p>我的理解和上面的一样!</p>
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coogar
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coogar
发表于 2007-5-7 10:18:00
<p>是不是国家有这方面的规范吗?</p><p>还是通常大家都是这么做的。</p><p>再或是甲方的要求??</p>
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曲直
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曲直
发表于 2007-5-9 14:08:00
不对 50311综合布线规范里 1.5:1 总信息点(语音+数据)的75%配置主干
[此贴子已经被作者于2007-5-9 14:10:00编辑过]
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mx296
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mx296
发表于 2007-5-9 15:05:00
<p>如果语音点数量明确,每个语音点对应一对主干</p><p>如果语音点数量不明,一般按50%的语音、50%数据计算。</p><p></p><p>GB/T50311里的要求是每个信息点一对主干。</p>
[此贴子已经被作者于2007-5-9 15:05:59编辑过]
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曲直
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曲直
发表于 2007-5-10 12:36:00
<div class="quote"><b>以下是引用<i>mx296</i>在2007-5-9 15:05:00的发言:</b><br/><p>如果语音点数量明确,每个语音点对应一对主干</p><p>如果语音点数量不明,一般按50%的语音、50%数据计算。</p><p></p><p>GB/T50311里的要求是每个信息点一对主干。</p><br/></div><p><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">3</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">.</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">0</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">.</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">3</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">所有综合布线系统的各种配置都能支持话音</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">/</span><font face="宋体"><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">数据等系统,能随工程的需要转向更高功能的布线系统。它们之间的主要区别在于配置水平不同。</span><span lang="EN-US" style="FONT-FAMILY: "Times New Roman";"><p></p></span></font></p><p><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">条文中对绞电缆系指综合布线电缆,非一般市话电缆。</font></span><span style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">
</span><span lang="EN-US" style="FONT-FAMILY: "Times New Roman";"><p></p></span></p><p><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">条文中卡接式交接硬件系统系指采用绝缘压穿连接器件的交接设备。插接式交接硬件系指用插头、插座连接的交换设备。</font></span><span style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">
</span><span lang="EN-US" style="FONT-FAMILY: "Times New Roman";"><p></p></span></p><p><font face="宋体"><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">关于垂直干线配置的分析:</span><span lang="EN-US" style="FONT-FAMILY: "Times New Roman";"><p></p></span></font></p><p><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">信息插座用于电话,垂直干线应配置的比例为</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">25%</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">;用于计算机网络按</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">24</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个信息插座配</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">2</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">对对绞线配置,也可以下个</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">HUB</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">或</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">HUB</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">群配</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">4</span><font face="宋体"><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">对对绞线。</span><span lang="EN-US" style="FONT-FAMILY: "Times New Roman";"><p></p></span></font></p><p><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">对于最低配置,</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">1</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个工作区配置</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">1</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个信息插座,可用于电话,也可用于计算机终端;对于基本配置,</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">1</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个工作区配置</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">2</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个信息插座或</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">1</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个双插座,其中</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">1</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个用于计算机终端,</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">1</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个用于电话;对于综合配置,则在基本配置的基础上增加光纤配置。</font></span><span style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">
</span><span lang="EN-US" style="FONT-FAMILY: "Times New Roman";"><p></p></span></p><p><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">为了说明问题,我们测算一个</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">1000</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个信息插座的垂直干线需要量。假定为每个工作区配</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">1</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个双插座,计算机网络与电话各占</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">50%</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">,计算机网络采用光纤</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">HUB</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">,每</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">48</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个信息插座配</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">2</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">芯光纤,电话或部分计算机网络采用对绞电缆,按信息插座线对数的</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">25%</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">配置,约需</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">20</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">芯光纤(可连接</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">10</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个光纤</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">HUB</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">);</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">8</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">芯电缆</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">125</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">组相当于</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">500</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">对线,可全部用于电话,也可以部分用于计算机网络,则占用</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">1</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">8</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">芯组,应减少</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">4</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">个电话用户,但采用</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">HUB</span><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">后可扩展</font></span><span lang="EN-US" style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">12~48</span><font face="宋体"><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">个计算机网络终端用户。</span><span lang="EN-US" style="FONT-FAMILY: "Times New Roman";"><p></p></span></font></p><p><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">上述配置的基本思路,用于计算机网络的垂直干线,推荐使用光纤,用于电话的垂直干线推荐用对绞电缆,有产分短距离的计算机网络也可用对绞电缆。由于工程实际情况比较复杂,有可能一咱模式,设计时还应结合工程特占加以调整应用。</font></span><span style="FONT-SIZE: 9.5pt; FONT-FAMILY: "Times New Roman";">
</span><span lang="EN-US" style="FONT-FAMILY: "Times New Roman";"><p></p></span></p><p><span style="FONT-SIZE: 9.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><font face="宋体">总之,最低配置、基本配置或综合配置兴是一种配置划分,应结合工程特点选用,如果某些特殊的情部这三种典型配置都不适合应按实际情况进行设计。</font></span><span lang="EN-US" style="FONT-FAMILY: "Times New Roman";"><p></p></span></p><p></p>
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网络耕耘者
发表于 2007-5-10 14:59:00
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发表于 2007-5-12 16:09:00
<p>新版50311-2007:</p><p>4.3.5 主干电缆和光缆所需的容量要求及配置应符合以下规定:<br/>1 对语音业务,大对数主干电缆的对数应按每一个语音信息点(8 位模块)配置1 对线,如语音信息点8<br/>位模块通用插座连接ISDN 用户终端设备,并采用S 接口(4 线接口)时,相应的主干电缆则应按2 对线<br/>配置,并可在总需求线对的基础上至少预留约10%的备用线对。</p><p>语音主干:语音信息点=2:1 大概就是这个意思。</p>
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