讯享网

 <p id="2CH9KI57">前言</p><p id="2CH9KI58">充电头网拿到了思科8832会议电话的PoE注入器，这款注入器在其中一面设有RJ45有线网络接口和USB-C供电接口，另一面设有单个USB-C接口，用于连接电话机。通过使用注入器，通过USB-C接口，同时为会议电话供电以及连接有线网络。</p><p id="2CH9KI59">这款PoE供电器采用灰色塑料外壳，两端设有USB-C接口，并在接口旁印刷标签，标识接口功能，方便安装使用。下面充电头网就带来思科这款PoE注入器的拆解，一起看看内部的用料和做工。</p><p id="2CH9KI5A">思科USB-C+RJ45 PoE注入器外观</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F1d2c17a8j00s6ojru000oc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5C">和此前拆解的思科USB-C电源适配器一样，这款二合一转换器也是采用相同材质配色外壳，机身表面磨砂工艺处理可以有效抗指纹。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fe24c5b22j00s6ojru000kc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5E">机身顶面中心设计有CISCO品牌。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F5e3a0a8ej00s6ojru0017c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5G">底部贴有产品相关信息贴纸，可以看出产品通过了UL和FCC认证。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F30e27b61j00s6ojrv000oc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5I">机身一端配置USB-C供电接口和RJ45网络接口。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F7ee0acc9j00s6ojrv000lc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5K">另一端配置USB-C接口，从这端输出为设备供电和网络。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fba63dee1j00s6ojrv0015c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5M">实测产品机身长度为78.25mm。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F1acc7352j00s6ojrv0015c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5O">宽度为54.82mm。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Ff3c2da21j00s6ojrv0015c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5Q">厚度为26.89mm。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fe4485ad9j00s6ojrv000yc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5S">产品拿在手上的大小直观感受。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fd1acb9d7j00s6ojrv0015c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI5U">另外测得其净重约为80g。</p><p id="2CH9KI5V">思科USB-C+RJ45 PoE注入器拆解</p><p id="2CH9KI60">看完了思科这款PoE注入器的外观，下面就开始拆解，一起看看内部的用料和设计。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F1b46e6cdj00s6ojru001dc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI62">沿壳体两侧接缝拆开注入器外壳，外壳通过超声波焊接。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F1ej00s6ojrv002lc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI64">内部PCBA模块通过螺丝固定。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fd5a80e8cj00s6ojrv002dc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI66">十字固定螺丝特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F36b3a01fj00s6ojrv001yc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI68">拧下固定螺丝，分离上层PCBA模块。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F0f92009dj00s6ojrv002bc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6A">在底部还有一层PCBA模块。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fj00s6ojru0015c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6C">固定底层PCBA模块的螺柱特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F7b304ae7j00s6ojru001dc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6E">拧下固定螺柱，取出底层的PCBA模块。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fb4a096bej00s6ojrv002dc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6G">底部PCBA模块焊接供电变压器，网络隔离变压器，整流桥和网线插座以及控制芯片。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Feed5bfebj00s6ojrv002bc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6I">PCBA模块背面焊接滤波电容，贴片光耦和连接器插座。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fbff82a38j00s6ojrv001lc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6K">网线接口采用塑料外壳，贴片焊接。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F71b055daj00s6ojru001gc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6M">接口内部设有八根针脚。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F7480bea5j00s6ojru0031c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6O">网络隔离变压器特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Ff4dbd8f5j00s6ojrv0037c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6Q">两颗TVS阵列用于网线接口浪涌保护。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F9afe44acj00s6ojrv002jc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6S">连接两层PCBA模块的连接器特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F38223ae4j00s6ojrv002hc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI6U">四颗滤波电感特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F7cd0291ej00s6ojrv002ec000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI70">一颗芯片来自美信，型号MAX5983AE，用于热插拔控制。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fafa4d8a5j00s6ojrv001gc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI72">搭配使用的变压器特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fd662ff6dj00s6ojru0022c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI74">两颗丝印MB2S的整流桥特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fc387f301j00s6ojrv0026c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI76">一颗丝印NG的TVS二极管用于过压保护。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F831edc60j00s6ojrv001rc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI78">一颗滤波电容规格为22μF 6.3V。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Ff8091aacj00s6ojrv002kc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7A">一颗丝印332NL的电感特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F840e82a1j00s6ojrv003jc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7C">一颗控制器丝印AIR BAN。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Feeda407cj00s6ojrv002jc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7E">一颗开关管丝印244。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fe8j00s6ojrv003fc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7G">两颗250mΩ电阻用于检测电流。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fcfj00s6ojrv002oc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7I">另一颗开关管型号相同。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fa1898b8bj00s6ojrv002bc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7K">用于供电的变压器来自胜美达，磁芯缠绕铜箔屏蔽。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F0eb1cb93j00s6ojrv002gc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7M">另一块PCB上焊接两个USB-C母座，两个USB-C接口控制器，USB转千兆以太网控制器和滤波电容等。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fea099764j00s6ojru0026c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7O">小板背面没有焊接元件。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F660f188bj00s6ojrv004kc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7Q">桥接芯片来自英飞凌，型号CYUSB3610，是一颗USB3.0转千兆以太网的转换器，芯片内部集成USB3.0物理层和控制器，支持节能模式，支持高级电源管理和网络唤醒功能。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F25a8d3d5j00s6ojrv0037c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7S">25.000MHz时钟晶振特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F3affbdd7j00s6ojrv0036c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI7U">两颗贴片LED特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F1927d939j00s6ojrv002fc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI80">存储器来自意法半导体，型号93C66WP。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F7cde9287j00s6ojrw0042c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI82">USB-C接口控制器来自英飞凌，EZ-PD CCG3系列，型号CYPD3125-40LQXI，是一颗完整的USB-C和USB-PD接口控制方案，适用于笔记本电脑，显示器，扩展坞和适配器应用。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fac59bc04j00s6ojrw0045c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI84">共使用两颗分别对应两个USB-C接口。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F5b2142efj00s6ojrw003hc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI86">芯片外置的泄放电阻特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F15143d45j00s6ojrw0042c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI88">一颗丝印ADO的芯片。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Ff1j00s6ojrw002uc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8A">一颗VBUS开关管丝印BH4AC。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fbbefd170j00s6ojrw0031c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8C">5mΩ检流电阻用于检测输出电流。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F475d629aj00s6ojrw0037c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8E">一颗VBUS开关管来自英飞凌，型号BSZ0907ND，双NMOS，耐压30V，导阻分别为9.5mΩ和7.2mΩ，为串联半桥连接。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fe0281e7aj00s6ojrw001sc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8G">合金电感来自Colicraft。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F1cj00s6ojrw0026c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8I">三颗并联的MLCC电容特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F424ac760j00s6ojrw002pc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8K">同步降压转换器来自德州仪器，丝印QUE，型号TPS62170，是一颗17V输入电压，500mA输出电流的同步降压转换器，芯片内部集成开关管。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Fc59796b9j00s6ojrw0020c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8M">2.2μH降压电感特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F0ej00s6ojrw002tc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8O">另一路降压转换器特写，用于为以太网桥接芯片供电。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F55594a2cj00s6ojrw0028c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8Q">五颗并联的MLCC滤波电容特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F93bea6d5j00s6ojrw002pc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8S">USB数据线设有滤波电感。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F0d0dbe97j00s6ojrw0031c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI8U">一颗芯片丝印AATB。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F0c2cfb97j00s6ojrw003fc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI90">三颗VBUS开关管丝印BH4AC。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F5aaeda96j00s6ojrw0027c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI92">连接到底部PCB的连接器特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F2fj00s6ojrw001mc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI94">USB-C母座采用过孔焊接固定，黑色胶芯内部夹钢片增加强度。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F4bdf3deaj00s6ojrw001lc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI96">另一头的USB-C连接器为同样的设计。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F107d9dadj00s6ojrw001gc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI98">壳体内部预留的连接器特写。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2Ff2a5a264j00s6ojrw0017c000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI9A">另一颗连接器外观相同。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F0103%2F5fc87430j00s6ojrw001dc000xc00m8m.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="2CH9KI9C">全部拆解一览，来张全家福。</p><p id="2CH9KI9D">充电头网拆解总结</p><p id="2CH9KI9E">思科这款PoE注入器采用灰色塑料外壳，坚固耐用。其中一面设有RJ45有线网络接口和USB-C供电接口，另一面设有USB-C接口，两面接口分别具有标识，提示所连接的设备。通过使用注入器，即可通过电话机自带的USB-C接口实现供电和有线网络连接。</p><p id="2CH9KI9F">充电头网通过拆解了解到，这款注入器采用两片PCBA模块组成，在其中一块PCBA上设有供电转换芯片和网络变压器，另一块PCBA上设有网络桥接芯片和PD控制芯片。其中两个USB-C接口的控制器均来自英飞凌，型号CYPD3125，桥接芯片也来自英飞凌，型号CYUSB3610。这款注入器内部用料均为一线品牌，做工扎实可靠。</p>