光纤上字母的意思...

<p>请教各位大侠　光纤上各种字母组合的含义　如ＧＹＦＴＹ　ＧＹＴＡ　ＧＹＦＴＡ</p><p>　</p>

<p>有这样打的吗？没见过，正规产品打的都是英文字母，除非这个标识是厂家名称缩写。</p>

这是光纤的型号

<p>这个是光纤的类型</p><p>GYTA是层绞式光缆，GYFTY是层绞式非金属光缆，</p>

<table cellspacing="0" cellpadding="0" width="90%" align="center" border="0"><tbody><tr><td valign="top"><p><b><span class="unnamed41" style="FONT-FAMILY: 宋体;">◆</span></b><span class="unnamed41"><b><span style="FONT-FAMILY: 宋体;">型号的组成内容、代号及意义</span>&nbsp;<br/></b>型式由型式和规格两大部分组成。型号组成的格式，如下图所示<br/><img height="66" src="mhtml:file://D:\mx296\资料\_标准规范\_电缆\室外光缆型号规范.mht!file:///D:/mx296/资料/_标准规范/_电缆/光缆型号规范网络布线光纤光纤型号规范光缆型号光缆标准光缆颜色规范光纤着色标准_上海慧锦.files/54.gif" width="112" alt=""/><br/>型式由型式和规格两大部分组成。型号组成的格式，如下图所示型式由<span lang="EN-US">5</span><span style="FONT-FAMILY: 宋体;">个部分构成，<br/>各部分均用代号表示，如下图所示</span></span></p><table cellspacing="0" cellpadding="0" width="80%" border="0"><tbody><tr><td width="50%" rowspan="2"><span class="unnamed16"><img height="97" src="mhtml:file://D:\mx296\资料\_标准规范\_电缆\室外光缆型号规范.mht!file:///D:/mx296/资料/_标准规范/_电缆/光缆型号规范网络布线光纤光纤型号规范光缆型号光缆标准光缆颜色规范光纤着色标准_上海慧锦.files/15.gif" width="218" alt=""/></span></td><td valign="bottom" width="50%" height="41">&nbsp;</td></tr><tr><td valign="bottom" width="50%"><font size="2">外护套<br/>护套<br/>结构特征<br/>加强构件<br/>分类</font></td></tr></tbody></table><p><span class="unnamed41"><span style="FONT-FAMILY: 宋体;"><br/></span><b><span style="FONT-FAMILY: 宋体;">◆分类的代号<br/></span></b><span lang="EN-US">GY------------------</span><span roman="Roman" new="New" times="Times" style="FONT-FAMILY: 宋体;">通信用室（野）外光缆<br/></span><b><span style="FONT-FAMILY: 宋体;">◆加强构件的代号<br/></span></b><span style="FONT-FAMILY: 宋体;">加强构件指护套以内或嵌入护套中用于增强光缆抗拉力的构件。<br/></span>(<span style="FONT-FAMILY: 宋体;">无符号</span><span lang="EN-US">)</span><span roman="Roman" new="New" times="Times" style="FONT-FAMILY: 宋体;">——金属加强构件</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br/>F------------------<span style="FONT-FAMILY: 宋体;">非金属加强构件<br/></span><span lang="EN-US" style="FONT-FAMILY: 宋体;">◆<span style="FONT: 7pt 'Times New Roman';">&nbsp;&nbsp;&nbsp;&nbsp; </span></span><b><span style="FONT-FAMILY: 宋体;">缆芯和光缆的派生结构特征的代号<br/></span></b>光缆结构特征应表示缆芯的主要类型和光缆的派生结构。当光缆型式有几个结构特征需要注明时，<br/>可用组合代号表示，其组合代号按下例相应的各代号自上而下的顺序排列。</span></p><table cellspacing="0" cellpadding="0" width="90%" align="center" border="0"><tbody><tr><td class="Normal" valign="top" width="284"><p class="unnamed41"><span lang="EN-US">D</span><span style="FONT-FAMILY: 宋体;">…………………………光纤带状结构</span></p><p class="unnamed41"><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体;">无符号</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体;">……………光纤松套被覆结构</span></p><p class="unnamed41"><span lang="EN-US">J </span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">……………………光纤紧套被覆结构</span></p><p class="unnamed41"><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体;">无符号</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体;">………………………层绞结构</span></p><p class="unnamed41"><span lang="EN-US">X</span><span style="FONT-FAMILY: 宋体;">………………缆中心管（被覆）结构</span></p><p class="unnamed41"><span lang="EN-US">T</span><span style="FONT-FAMILY: 宋体;">………………………油膏填充式结构</span></p></td><td class="Normal" valign="top" width="284"><p class="unnamed41"><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体;">无符号</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体;">…………………干式阻水结构</span></p><p class="unnamed41"><span lang="EN-US">R</span><span style="FONT-FAMILY: 宋体;">……………………………充气式结构</span></p><p class="unnamed41"><span lang="EN-US">C</span><span style="FONT-FAMILY: 宋体;">……………………………自承式结构</span></p><p class="unnamed41"><span lang="EN-US">B</span><span style="FONT-FAMILY: 宋体;">………………………………扁平结构</span></p><p class="unnamed41"><span lang="EN-US">E</span><span style="FONT-FAMILY: 宋体;">………………………………椭圆结构</span></p><p class="unnamed41"><span lang="EN-US">Z</span><span style="FONT-FAMILY: 宋体;">………………………………阻燃结构</span></p></td></tr></tbody></table><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">◆</span>
                                                <span roman="" new="" times="" style="FONT-FAMILY: 宋体;">护套的代号</span>&nbsp;</p><table class="unnamed10" height="180" cellspacing="0" cellpadding="0" width="90%" align="center" border="0"><tbody><tr><td class="unnamed41" width="46%"><span lang="EN-US">Y</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">………………………聚乙烯护套</span></td><td class="unnamed41" width="54%"><span lang="EN-US">V</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">……………………聚氯乙烯护套</span></td></tr><tr><td class="unnamed41" width="46%"><span lang="EN-US">U</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">………………………聚氨酯护套</span></td><td class="unnamed41" width="54%"><span lang="EN-US">A</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">…………铝</span><span lang="EN-US">-</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">聚乙烯护套</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体;">简称</span><span lang="EN-US">A</span><span style="FONT-FAMILY: 宋体;">护套</span><span lang="EN-US">)</span></td></tr><tr><td class="unnamed41" width="46%"><span lang="EN-US">S</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">…………钢</span><span lang="EN-US">-</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">聚乙烯护套</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体;">简称</span><span lang="EN-US">S</span><span style="FONT-FAMILY: 宋体;">护套</span><span lang="EN-US">)</span></td><td class="unnamed41" width="54%"><span lang="EN-US">W</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">………</span> 夹带平行钢丝的钢聚乙烯护套</td></tr><tr><td class="unnamed41" width="46%"><span lang="EN-US">L</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">……………………………铝护套</span></td><td class="unnamed41" width="54%"><span lang="EN-US">G</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">……………………………钢护套</span></td></tr><tr><td class="unnamed41" width="46%"><span lang="EN-US">Q</span><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">……………………………铅护套</span></td><td width="54%">&nbsp;</td></tr></tbody></table><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">表</span>1&nbsp;&nbsp; <span style="FONT-FAMILY: 宋体;">铠装层</span></p><table bordercolor="#0000cc" height="180" cellspacing="0" cellpadding="0" width="60%" border="1"><tbody><tr><td class="Normal" valign="top" width="182"><p class="unnamed41" align="center" style="TEXT-ALIGN: center;"><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">代号</span><span lang="EN-US"> Code</span></p></td><td class="Normal" valign="top" width="181"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">铠装层</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p></td></tr><tr><td class="Normal" valign="top" width="182"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">0</span></p></td><td class="Normal" valign="top" width="181"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">无铠装层</span>&nbsp;&nbsp;&nbsp;</p></td></tr><tr><td class="Normal" valign="top" width="182"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">2</span></p></td><td class="Normal" valign="top" width="181"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">绕包双钢带</span>&nbsp;</p></td></tr><tr><td class="Normal" valign="top" width="182"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">3</span></p></td><td class="Normal" valign="top" width="181"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">单细圆钢丝</span>&nbsp;</p></td></tr><tr><td class="Normal" valign="top" width="182"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">33</span></p></td><td class="Normal" valign="top" width="181"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">双细圆钢丝</span></p></td></tr><tr><td class="Normal" valign="top" width="182"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">4</span></p></td><td class="Normal" valign="top" width="181"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">单粗圆钢丝</span></p></td></tr><tr><td class="Normal" valign="top" width="182"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">44</span></p></td><td class="Normal" valign="top" width="181"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">双粗圆钢丝</span></p></td></tr><tr><td class="Normal" valign="top" width="182"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">5</span></p></td><td class="Normal" valign="top" width="181"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">皱纹钢带</span>&nbsp;&nbsp;</p></td></tr></tbody></table><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">◆</span>
                                                <span roman="" new="" times="" style="FONT-FAMILY: 宋体;">外护层的代号</span>&nbsp;</p><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">当有外护层时，它可包括垫层、铠装层和外被层的某些部分和全部，其代号用两组数字表示<br/>（垫层不需表示），第一组表示铠装层，<br/>它可以是一位或两位数字，见表</span><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体;">；第二组表示外被层或外套，它应是一位数字，见表</span><span lang="EN-US">2</span><span style="FONT-FAMILY: 宋体;">。</span></p><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">表</span>2&nbsp; <span style="FONT-FAMILY: 宋体;">外被层或外套</span></p><div align="left"></div><table bordercolor="#0000cc" height="115" cellspacing="0" cellpadding="0" width="60%" border="1"><tbody><tr><td class="Normal" valign="top" width="108"><p class="unnamed41" align="center" style="TEXT-ALIGN: center;"><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">代号</span></p></td><td class="Normal" valign="top" width="210"><p class="unnamed10"><span class="unnamed41">外被层或外套</span></p></td></tr><tr><td class="Normal" valign="top" width="108"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">1</span></p></td><td class="Normal" valign="top" width="210"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">纤维外被</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p></td></tr><tr><td class="Normal" valign="top" width="108"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">2</span></p></td><td class="Normal" valign="top" width="210"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">聚氯乙烯套</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p></td></tr><tr><td class="Normal" valign="top" width="108"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">3</span></p></td><td class="Normal" valign="top" width="210"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">聚乙烯套</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p></td></tr><tr><td class="Normal" valign="top" width="108"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">4</span></p></td><td class="Normal" valign="top" width="210"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">聚乙烯套加覆尼龙套</span></p></td></tr><tr><td class="Normal" valign="top" width="108"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">5</span></p></td><td class="Normal" valign="top" width="210"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">聚乙烯保护套</span>&nbsp;&nbsp;&nbsp;</p></td></tr></tbody></table><p class="unnamed41">◆光缆规格的构成<br/>光缆的规格是由光纤和导电线芯的有关规格组成<br/>◆光纤数的代号<br/><span style="FONT-FAMILY: 宋体;">光缆中同类光纤的实际有效数目用数字表示<br/></span>&nbsp;&nbsp;&nbsp;&nbsp;◆光纤类别的代号<span roman="roman" new="new" times="times" style="FONT-FAMILY: 宋体;"><font size="2"><br/>光纤类别采用光纤产品的分类代号表示，即用大写</font></span><font size="2"><span lang="EN-US">A</span><span roman="Roman" new="New" times="Times" style="FONT-FAMILY: 宋体;">和</span><span lang="EN-US">B</span><span style="FONT-FAMILY: 宋体;">分别表示多模光纤和单模光纤，用数字和小写字母表示不同类别的多模或单模光纤，</span><span lang="EN-US">A</span><span style="FONT-FAMILY: 宋体;">——多模光纤，见表</span><span lang="EN-US">3</span><span roman="Roman" new="New" times="Times" style="FONT-FAMILY: 宋体;">。</span>&nbsp;</font>&nbsp;&nbsp;&nbsp;&nbsp;</p><p class="unnamed10"><span class="unnamed41">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 　　<span style="FONT-FAMILY: 宋体;">表</span>3&nbsp; <span style="FONT-FAMILY: 宋体;">单模光纤</span></span></p><table class="unnamed10" bordercolor="#0000ff" height="86" cellspacing="0" cellpadding="0" width="90%" align="left" border="1"><tbody><tr><td class="Normal" valign="top" width="48"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">分类代号</span></p></td><td class="Normal" valign="top" width="89"><p class="unnamed41" align="center" style="TEXT-ALIGN: center;"><span roman="Roman" new="New" times="Times" style="FONT-FAMILY: 宋体;">特</span>&nbsp; <span style="FONT-FAMILY: 宋体;">征</span></p></td><td class="Normal" valign="top" width="94"><p class="unnamed41" align="center" style="TEXT-ALIGN: center;"><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">纤芯直径（</span><span style="FONT-FAMILY: 宋体;">μ</span><span lang="EN-US">m</span><span style="FONT-FAMILY: 宋体;">）</span></p></td><td class="Normal" valign="top" width="94"><p class="unnamed41" align="center" style="TEXT-ALIGN: center;"><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">包层直径（</span><span style="FONT-FAMILY: 宋体;">μ</span><span lang="EN-US">m</span><span style="FONT-FAMILY: 宋体;">）</span></p></td><td class="Normal" valign="top" width="95"><p class="unnamed41" align="center" style="TEXT-ALIGN: center;"><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">材</span> 料</p></td></tr><tr><td class="Normal" width="48"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">Ala</span></p></td><td class="Normal" valign="top" width="89"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">渐变折射率</span>&nbsp;</p><p class="unnamed10">　</p></td><td class="Normal" width="94"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">50</span></p></td><td class="Normal" width="94"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">125um</span></p></td><td class="Normal" width="95"><p class="unnamed41" align="center" style="TEXT-ALIGN: center;"><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">二氧化硅</span><span lang="EN-US"> SiO₂</span></p></td></tr><tr><td class="Normal" width="48"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">Alb</span></p></td><td class="Normal" valign="top" width="89"><p class="unnamed10"><span class="unnamed41">渐变折射率</span></p><p class="unnamed10">　</p></td><td class="Normal" width="94"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">62.5</span></p></td><td class="Normal" width="94"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">125um</span></p></td><td class="Normal" width="95"><p class="unnamed41" align="center" style="TEXT-ALIGN: center;"><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">二氧化硅</span><span lang="EN-US"> SiO₂</span></p></td></tr><tr><td class="Normal" width="48"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">Alc</span></p></td><td class="Normal" valign="top" width="89"><p class="unnamed41"><span style="FONT-FAMILY: 宋体;">渐变折射率</span>&nbsp;</p><p class="unnamed10">　</p></td><td class="Normal" width="94"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">85</span></p></td><td class="Normal" width="94"><p class="unnamed10" align="center" style="TEXT-ALIGN: center;"><span class="unnamed41">125um</span></p></td><td class="Normal" width="95"><p class="unnamed41" align="center" style="TEXT-ALIGN: center;"><span roman="" new="" times="" style="FONT-FAMILY: 宋体;">二氧化硅</span><span lang="EN-US"> SiO₂</span></p></td></tr></tbody></table><span class="unnamed41"><br/><br/><br/><br/><br/></span><br/><br/><br/><br/><br/><br/></td></tr></tbody></table><p>　 </p>

ls的全

<p>ＧＹＦＴＹ是非金属光缆（充油的，ＦＲＰ中心加强件）</p><p>ＧＹＴＡ是层绞管道光缆</p><p>&nbsp;</p>

<p>顶，不错</p>

<p>可以学习</p>