音频和报警，一次性教会你如何接线
<section data-role="outer" label="Powered by 135editor.com" style="font-size:16px;font-family:微软雅黑;"><section data-role="outer" label="Powered by 135editor.com"><section class="_135editor" data-tools="135编辑器" data-id="94007" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><section style="padding: 10px;box-sizing: border-box;"><section style="clear: both;"></section><section style="width: 7em;margin-bottom: -2em;margin-left: -10px;float: left;"><section style="width: 12px;height: 12px;border-radius: 100%;background: rgb(161, 164, 116);float: right;margin-top: -7px;box-sizing: border-box;"></section><section style="background: rgb(254, 254, 254);padding: 10px;box-sizing: border-box;"></section><section style="width: 12px;height: 12px;border-radius: 100%;background: rgb(161, 164, 116);float: left;margin-left: 4px;box-sizing: border-box;"></section></section><section style="border-width: 1px;border-style: solid;border-color: rgb(161, 164, 116);border-radius: 6px;box-sizing: border-box;"><section data-autoskip="1" class="135brush" style="font-size: 14px;letter-spacing: 1.5px;line-height: 1.75em;padding: 2em 1em 1em 2em;box-sizing: border-box;"><p><span style="color: #3d3d3d;letter-spacing: 1.2px;caret-color: red;">关于音频与报警相关配件产品，你知道有哪些吗？它们主要包含音频采集设备—拾音器，以及报警输入输出模块线缆这两块，下文将为大家详细介绍。</span><br></p></section></section></section></section><section data-role="paragraph" class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><p><br></p></section><section class="_135editor" data-tools="135编辑器" data-id="93995" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><section style="text-align: center;"><section style="width: 2em;display: inline-block;"></section></section></section><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"><br></p><section class="_135editor" data-tools="135编辑器" data-id="92362" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><section class="_135editor" data-tools="135编辑器" data-id="94065" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><section style="text-align: center;"><section style="display: flex;justify-content: center;align-items: center;"><section style="display: inline-block;background: rgb(255, 227, 10);border-radius: 6px;padding: 3px 7px;font-weight: bold;box-sizing: border-box;">0<span class="autonum" data-original-title="" title="">1</span></section><section style="display: inline-block;margin-top: 6px;margin-left: 5px;"><section class="135brush" data-brushtype="text" style="font-weight: bold;letter-spacing: 2px;line-height: 1.75em;color: rgb(63, 63, 63);">拾音器</section><section style="width: 3em;border-bottom: 2px solid rgb(63, 63, 63);float: right;box-sizing: border-box;"></section><section style="clear: both;width: 90%;border-bottom: 2px solid rgb(63, 63, 63);float: right;margin-top: 3px;box-sizing: border-box;" data-width="90%"></section></section></section></section></section></section><section class="_135editor" data-tools="135编辑器" data-id="39" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><section class="_135editor" data-tools="135编辑器" data-id="39" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;" data-color="#7fd4cf" data-custom="#7fd4cf"><section style="max-width: 100%;margin-top: 0.8em;margin-bottom: 0.5em;overflow: hidden;text-align: left;"><section class="135brush" data-brushtype="text" placeholder="请输入标题" style="height: 36px;display: inline-block;color: rgb(255, 255, 255);font-weight: bold;padding-right: 10px;padding-left: 10px;line-height: 36px;vertical-align: top;background-color: rgb(127, 212, 207);box-sizing: border-box !important;">介绍</section><section style="display: inline-block;height: 36px;vertical-align: top;border-left: 9px solid rgb(127, 212, 207);box-sizing: border-box !important;border-top: 18px solid transparent !important;border-bottom: 18px solid transparent !important;"></section></section></section></section><section style="margin-top: 10px;margin-bottom: 10px;"><span style="letter-spacing: 1.2px;text-indent: 0em;caret-color: red;color: #3D3D3D;font-size: 14px;">拾音器主要用于采集音频，监控拾音器一般由一个麦克风音头加上放大输出电路组成，所以拾音器一般需要单独供电，电路的设计和采用的芯片不同对音质有较大影响。</span></section><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"><span style="letter-spacing: 1.2px;text-indent: 0em;caret-color: red;"></span></p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;">注意：</p><ul class=" list-paddingleft-2" style="list-style-type: square;"><li><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;">外接拾音器之后，摄像机音频选项必须要选择“<strong>LineIn</strong>”</p></li><li><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;">麦克风是简单将将空气中的变动压力波转化成变动电信号输出，一般音质较拾音器差。</p></li><li><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"><span style="letter-spacing: 1.2px;text-indent: 0em;caret-color: red;">对我司设备来讲，拾音器一般需要单独供电</span><br></p></li></ul><section class="_135editor" data-tools="135编辑器" data-id="39" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;" data-color="#ff8124" data-custom="#ff8124"><section class="_135editor" data-tools="135编辑器" data-id="39" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;" data-color="#7fd4cf" data-custom="#7fd4cf"><section style="max-width: 100%;margin-top: 0.8em;margin-bottom: 0.5em;overflow: hidden;text-align: left;"><section class="135brush" data-brushtype="text" placeholder="请输入标题" style="height: 36px;display: inline-block;color: rgb(255, 255, 255);font-weight: bold;padding-right: 10px;padding-left: 10px;line-height: 36px;vertical-align: top;background-color: rgb(127, 212, 207);box-sizing: border-box !important;">接线方法</section><section style="display: inline-block;height: 36px;vertical-align: top;border-left: 9px solid rgb(127, 212, 207);box-sizing: border-box !important;border-top: 18px solid transparent !important;border-bottom: 18px solid transparent !important;"></section></section></section></section><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"><span style="text-indent: 0em;caret-color: red;letter-spacing: 1.2px;">摄像机的音频输入接口一般来讲有两种：3.5mm圆口和绿头端子/散线</span></p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"><span style="text-indent: 0em;caret-color: red;letter-spacing: 1.2px;">绿头端子/散线接线方式：</span></p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;">1.将LIN/MIC-与拾音器信号线相连（<span style="letter-spacing: 1.2px;">或者</span><span style="letter-spacing: 1.2px;">RIN/MIC+、IN/MIC-、拾音器三根线相连也可以</span>）</p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;">2.将LINE_GND、拾音器负极、电源负极三根线相连</p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"><span style="letter-spacing: 1.2px;">注意：拾音器接线时务必要求音频负极、拾音器电源负极、摄像机电源负极共地。</span></p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"></p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;">3.将拾音器电源正极与电源正极相连</p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"></p><section data-role="paragraph" class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><p><br></p></section><section class="_135editor" data-tools="135编辑器" data-id="94065" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><section style="text-align: center;"><section style="display: flex;justify-content: center;align-items: center;"><section style="display: inline-block;background: #ffe30a;border-radius: 6px;padding: 3px 7px;font-weight: bold;box-sizing: border-box;">0<span class="autonum" data-original-title="" title="" data-num="2">2</span></section><section style="display: inline-block;margin-top: 6px;margin-left: 5px;"><section class="135brush" data-brushtype="text" style="font-weight: bold;letter-spacing: 2px;line-height: 1.75em;color: rgb(63, 63, 63);">报警输入输出模块</section><section style="width: 3em;border-bottom: 2px solid #3f3f3f;float: right;box-sizing: border-box;"></section><section style="clear: both;width: 90%;border-bottom: 2px solid #3f3f3f;float: right;margin-top: 3px;box-sizing: border-box;" data-width="90%"></section></section></section></section></section><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"><span style="letter-spacing: 1.2px;text-indent: 0em;caret-color: red;"><br></span></p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"><span style="letter-spacing: 1.2px;text-indent: 0em;caret-color: red;">由于2系列摄像机报警输出为信号量报警，且输出电流不足以驱动一般的报警器工作，故常规情况下，采用2系列摄像机时，需搭配报警输入输出模块实现报警功能。</span><br></p><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"></p><ul class=" list-paddingleft-2" style="list-style-type: square;"><li><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;">报警输入输出模块主要搭配2系列摄像机使用 </p></li><li><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;">报警信号为开关量</p></li></ul><p style="line-height: 1.9em;font-size: 14px;letter-spacing: 1.2px;color: rgb(61, 61, 61);text-indent: 0em;padding-top: 5px;padding-bottom: 5px;"><br></p><section class="_135editor" data-tools="135编辑器" data-id="94155" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: 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