pcm30综合业务接入设备...

 
<p class="MsoNormal" style="mso-line-height-alt: 12.0pt"><span lang="EN-US" style="FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">、</span><span style="FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt"> </span><b><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">产品简介</span></b><b><span lang="EN-US" style="FONT-SIZE: 14pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></b></p>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: 12.6pt; LINE-HEIGHT: 125%; mso-para-margin-left: 3.0gd; mso-char-indent-count: 1.2"><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt">LT-PCM30</span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">综合业务接入设备是在</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt">E1</span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">传输通道或光纤传输通道上传输</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt">30</span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">路</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt">64K</span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">话音，或者部分时隙用于传输</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt">N*64K</span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">数据业务（以太网数据）的，或者部分时隙用于</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt">RS232</span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">数据业务的复用传输设备。</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: 15.75pt; LINE-HEIGHT: 125%; mso-para-margin-left: 3.0gd; mso-char-indent-count: 1.5"><span lang="EN-US">LT-PCM30</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">采用独立式结构，通过将</span><span lang="EN-US">10/100Base-T</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">以太网、话路、</span><span lang="EN-US">RS232</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">等复用在一个</span><span lang="EN-US">E1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">传输，适合于通过光纤、微波、</span><span lang="EN-US">DDN</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">专网等信道将接口的工作距离进行延伸。</span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 45pt; LINE-HEIGHT: 125%"><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt">LT-PCM30</span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">工作于光传输方式时</span><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt"> ,</span><span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">以太网接口可以达到线速</span><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" unitname="m" sourcevalue="100" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt">100M</span></st1:chmetcnv><span lang="EN-US" style="LINE-HEIGHT: 125%; mso-bidi-font-size: 10.5pt">.<o:p></o:p></span></p>
<p class="MsoNormal" style="LINE-HEIGHT: 125%"><span lang="EN-US" style="FONT-SIZE: 14pt; LINE-HEIGHT: 125%">2 </span><span style="FONT-SIZE: 14pt; LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">、<b>主要特征</b></span><b><span lang="EN-US" style="FONT-SIZE: 14pt; LINE-HEIGHT: 125%"><o:p></o:p></span></b></p>
<p class="MsoNormal" style="TEXT-INDENT: 36.15pt; LINE-HEIGHT: 125%; mso-char-indent-count: 3.0"><b style="mso-bidi-font-weight: normal"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 125%; mso-bidi-font-size: 10.0pt">2.1<span style="mso-spacerun: yes">&nbsp; </span></span></b><b style="mso-bidi-font-weight: normal"><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">成帧</span></b><b style="mso-bidi-font-weight: normal"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 125%; mso-bidi-font-size: 10.0pt">E1</span></b><b style="mso-bidi-font-weight: normal"><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">接口</span></b><b style="mso-bidi-font-weight: normal"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 125%; mso-bidi-font-size: 10.0pt"><o:p></o:p></span></b></p>
<p class="MsoNormal" style="MARGIN-LEFT: 27pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 125%; mso-para-margin-left: 2.57gd; mso-char-indent-count: 2.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">成帧</span><span lang="EN-US">E1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">接口符合</span><span lang="EN-US">ITU-T G<st1:chmetcnv w:st="on" unitname="g" sourcevalue="0.703" hasspace="True" negative="False" numbertype="1" tcsc="0">.703 G</st1:chmetcnv>.704</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">和</span><span lang="EN-US">G.823</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">标准</span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 27pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 125%; mso-para-margin-left: 2.57gd; mso-char-indent-count: 2.0"><span lang="EN-US">75</span><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New="New"  Roman'">Ω</span> <span lang="EN-US" style="FONT-FAMILY: Arial; mso-bidi-font-family: 'Times New="New"  Roman'">BNC</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">接口</span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 27pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 125%; mso-para-margin-left: 2.57gd; mso-char-indent-count: 2.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">具有多种告警灯指示，方便故障定位</span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 27pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 125%; mso-para-margin-left: 2.57gd; mso-char-indent-count: 2.0"><span lang="EN-US">DC</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">－</span><span lang="EN-US">48V</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">供电方式</span><span lang="EN-US"> AC202V</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">（外配适配器）</span></p>
<h2 style="MARGIN: 6pt="6pt"  0cm="0cm"  6pt="6pt"  28.9pt; PAGE-BREAK-AFTER: auto; mso-pagination: none; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 2.75gd"><a name="_Toc12727511"></a><a name="_Toc103664329"><span style="mso-bookmark: _Toc12727511"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 'Times New="New"  Roman'; mso-bidi-font-size: 10.0pt">2.2<span style="mso-spacerun: yes">&nbsp; </span>10/100Base-T</span></span></a><span style="mso-bookmark: _Toc103664329"><span style="mso-bookmark: _Toc12727511"><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">接口</span></span></span><span style="mso-bookmark: _Toc103664329"></span><span style="mso-bookmark: _Toc12727511"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 'Times New="New"  Roman'; mso-bidi-font-size: 10.0pt"><o:p></o:p></span></span></h2><span style="mso-bookmark: _Toc12727511"></span>
<p class="MsoBodyText2" style="MARGIN-BOTTOM: 6pt"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">符合</span><span lang="EN-US">IEEE 802.3</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">标准，采用</span><span lang="EN-US">RJ-45</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">接口</span></p>
<p class="MsoBodyText2" style="MARGIN-BOTTOM: 6pt"><span lang="EN-US">10/<st1:chmetcnv w:st="on" unitname="m" sourcevalue="100" hasspace="False" negative="False" numbertype="1" tcsc="0">100M</st1:chmetcnv></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">自适应，</span></p>
<p class="MsoBodyText2" style="MARGIN-BOTTOM: 6pt"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">交叉</span><span lang="EN-US">/</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">直通网线自适应，</span></p>
<p class="MsoBodyText2" style="MARGIN-BOTTOM: 6pt"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">全</span><span lang="EN-US">/</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">半双工工作模式自适应。</span></p>
<h2 style="MARGIN: 6pt="6pt"  0cm; PAGE-BREAK-AFTER: auto; TEXT-INDENT: 24.1pt; mso-pagination: none; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 0cm; mso-char-indent-count: 2.0"><a name="_Toc103664331"></a><a name="_Toc38185927"></a><a name="_Toc12075835"></a><a name="_Toc498755986"></a><a name="_Toc498755455"><span style="mso-bookmark: _Toc498755986"><span style="mso-bookmark: _Toc12075835"><span style="mso-bookmark: _Toc38185927"><span style="mso-bookmark: _Toc103664331"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 'Times New="New"  Roman'; mso-bidi-font-size: 10.0pt">2.3<span style="mso-spacerun: yes">&nbsp; </span></span></span></span></span></span></a><span style="mso-bookmark: _Toc498755455"><span style="mso-bookmark: _Toc498755986"><span style="mso-bookmark: _Toc12075835"><span style="mso-bookmark: _Toc38185927"><span style="mso-bookmark: _Toc103664331"><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">局端电话接口卡：</span></span></span></span></span></span><span style="mso-bookmark: _Toc498755455"><span style="mso-bookmark: _Toc498755986"><span style="mso-bookmark: _Toc12075835"><span style="mso-bookmark: _Toc38185927"><span style="mso-bookmark: _Toc103664331"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 'Times New="New"  Roman'; mso-bidi-font-size: 10.0pt">FXO</span></span></span></span></span></span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 'Times New="New"  Roman'; mso-bidi-font-size: 10.0pt"><o:p></o:p></span></h2>
<p class="MsoNormalIndent" style="MARGIN: 6pt="6pt"  0cm; TEXT-INDENT: 42pt; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 0cm; mso-char-indent-count: 4.0"><span lang="EN-US">FXO</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">接口卡主要完成：用户话音信号与主板信号的相互转换；</span></p>
<p class="MsoNormalIndent" style="MARGIN: 6pt="6pt"  0cm="0cm"  6pt="6pt"  44.95pt; TEXT-INDENT: 0.05pt; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 4.28gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">用户线状态信号与数字信令之间的相互转换；</span><span lang="EN-US"> </span></p>
<p class="MsoNormalIndent" style="MARGIN: 6pt="6pt"  0cm="0cm"  6pt="6pt"  44.95pt; TEXT-INDENT: 0.05pt; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 4.28gd"><span lang="EN-US">FXO</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">卡主要用于连接自动用户电话交换机、共电电话交换机等的接口。</span></p>
<h2 style="MARGIN: 6pt="6pt"  0cm; PAGE-BREAK-AFTER: auto; TEXT-INDENT: 24.1pt; mso-pagination: none; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 0cm; mso-char-indent-count: 2.0"><a name="_Toc103664332"></a><a name="_Toc38185928"></a><a name="_Toc12075836"><span style="mso-bookmark: _Toc38185928"><span style="mso-bookmark: _Toc103664332"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 'Times New="New"  Roman'; mso-bidi-font-size: 10.0pt">2.4<span style="mso-spacerun: yes">&nbsp; </span></span></span></span></a><span style="mso-bookmark: _Toc12075836"><span style="mso-bookmark: _Toc38185928"><span style="mso-bookmark: _Toc103664332"><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">用户端电话接口卡：</span></span></span></span><span style="mso-bookmark: _Toc12075836"><span style="mso-bookmark: _Toc38185928"><span style="mso-bookmark: _Toc103664332"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 'Times New="New"  Roman'; mso-bidi-font-size: 10.0pt">FXS</span></span></span></span><span style="mso-bookmark: _Toc103664332"></span><span style="mso-bookmark: _Toc38185928"></span><span style="mso-bookmark: _Toc12075836"></span><span lang="EN-US" style="FONT-WEIGHT: normal; FONT-SIZE: 12pt; LINE-HEIGHT: 172%; FONT-FAMILY: 'Times New="New"  Roman'; mso-bidi-font-size: 10.0pt"><o:p></o:p></span></h2>
<p class="MsoNormalIndent" style="MARGIN: 6pt="6pt"  0cm="0cm"  6pt="6pt"  44.95pt; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 4.28gd"><span lang="EN-US">FXS</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">接口卡主要完成：向电话用户馈电；过压和过流保护；被叫时向用户送铃流；监视用户摘挂机状态；</span></p>
<p class="MsoNormalIndent" style="MARGIN: 6pt="6pt"  0cm="0cm"  6pt="6pt"  44.95pt; TEXT-INDENT: 0.05pt; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 4.28gd"><span lang="EN-US">FXS</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">可以用于自动电话、共电电话、计费电话等远端电话接口。</span></p>
<p class="MsoNormalIndent" style="MARGIN: 6pt="6pt"  0cm="0cm"  6pt="6pt"  44.95pt; TEXT-INDENT: 0.05pt; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 4.28gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">本卡支持来号显示功能。</span></p>
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<td class="xl24" style="WIDTH: 412pt; HEIGHT: 14.25pt" width="549" height="19">010-60896115 <font class="font5">龚留芳</font><font class="font6"><span style="mso-spacerun: yes">&nbsp;</span></font></td></tr></tbody></table></p>