[求助] 光纤的芯数根据什么来选择啊？...

 
<p style="TEXT-INDENT: 21pt" class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">新手上路：</span></p>
<p style="TEXT-INDENT: -18pt; MARGIN-LEFT: 63pt; mso-char-indent-count: 0; mso-list: l0="l0"  level2="level2"  lfo1; tab-stops: list="list"  63.0pt" class="MsoNormal"><span style="mso-bidi-font-family: Arial; mso-fareast-font-family: Arial" lang="EN-US"><span style="mso-list: Ignore">1．<span style="FONT: 7pt="7pt"  'Times New="New"  Roman'"> </span></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">什么时候选单模光纤，什么时候选多模光纤？</span></p>
<p style="TEXT-INDENT: -18pt; MARGIN-LEFT: 63pt; mso-char-indent-count: 0; mso-list: l0="l0"  level2="level2"  lfo1; tab-stops: list="list"  63.0pt" class="MsoNormal"><span style="mso-bidi-font-family: Arial; mso-fareast-font-family: Arial" lang="EN-US"><span style="mso-list: Ignore">2．<span style="FONT: 7pt="7pt"  'Times New="New"  Roman'"> </span></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">选多模光纤时候，什么时候选</span><span lang="EN-US">50</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">μ的，什么时候选</span><span lang="EN-US">62.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">μ的？</span></p>
<p style="TEXT-INDENT: -18pt; MARGIN-LEFT: 63pt; mso-char-indent-count: 0; mso-list: l0="l0"  level2="level2"  lfo1; tab-stops: list="list"  63.0pt" class="MsoNormal"><span style="mso-bidi-font-family: Arial; mso-fareast-font-family: Arial" lang="EN-US"><span style="mso-list: Ignore">3．<span style="FONT: 7pt="7pt"  'Times New="New"  Roman'"> </span></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">前期做方案时候，光纤的芯数根据什么来确定？比如</span><span lang="EN-US">6</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">芯，</span><span lang="EN-US">12</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">芯。。。</span></p>
<p style="TEXT-INDENT: -18pt; MARGIN-LEFT: 63pt; mso-char-indent-count: 0; mso-list: l0="l0"  level2="level2"  lfo1; tab-stops: list="list"  63.0pt" class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"></span>&nbsp;</p>
<p style="TEXT-INDENT: -18pt; MARGIN-LEFT: 63pt; mso-char-indent-count: 0; mso-list: l0="l0"  level2="level2"  lfo1; tab-stops: list="list"  63.0pt" class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"></span>&nbsp;</p>
<p style="TEXT-INDENT: -18pt; MARGIN-LEFT: 63pt; mso-char-indent-count: 0; mso-list: l0="l0"  level2="level2"  lfo1; tab-stops: list="list"  63.0pt" class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"></span>&nbsp;</p>
<p style="TEXT-INDENT: -18pt; MARGIN-LEFT: 63pt; mso-char-indent-count: 0; mso-list: l0="l0"  level2="level2"  lfo1; tab-stops: list="list"  63.0pt" class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">谢谢先</span></p>

<p>1.单模光纤传输距离远,多模相对要近(一般2公里内)</p>
<p>2.如果做千兆网络最好用50/125的</p>
<p>3.看你设备,用一芯备一芯,用两芯备两芯.</p>

<p>谢谢了。虽然第三个问题好像我问的也不是很到位。等我懂多点也许知道该怎么提问题了。呵呵</p>
<p>&nbsp;</p>

室外用单模的多，室内用多模的多，一般用62.5的。

这个要看甲方的需求了，

<p>学习 请教 </p>