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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>很多朋友在做项目时，遇到最多的就是监控的各种问题，其中以海康的居多，这里面总结了十个大家平时遇到的常见问题，其中有些问题也是不少朋友留言的，今天我们一起来总结下。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>一、海康设备的POE供电电压是多少？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>POE，802.3af供电协议
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>供电电压：44-57V
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>供电电流：10-350mA
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>POE，802.3at供电协议
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>供电电压：50-57V
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>供电电流：10-600mA
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>目前海康带POE口的录像机，POE口的对外供电电压是48V，单口功率是30W，POE的摄像机支持哪个协议，您通过他们官网输入产品型号，在详细参数里进行查看。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>二、外网访问海康设备的IP如何设置？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>答：只要设备的IP地址跟连接的那个路由器的IP地址在一个网段即可。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>三、怎么获取电脑的IP地址，怎么PING设备的IP，怎么ping数据包？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>在电脑键盘上按键 win+r 弹出运行提示框，输入cmd
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>点击确定，弹出黑色窗口：
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>1、ipconfig：查看电脑IP地址
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>输入命令“ipconfig”
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>就可以获取到本机的ip地址，子网掩码，网关等信息。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>下图红框标出的就是本机ip。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>网关就是路由器的Lan口ip
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>2、长ping测试是否有丢包
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>例如：
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>ping 10.1.7.77 -t
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>四、怎么测试映射的端口通不通
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>做网络通信的朋友应该都会遇到客户这样的需求：将内网的某服务器端口映射到公网，以便在公网可以访问该服务。当然大家一看便知，这些要做端口映射。然而，当我们做好端口映射后，在客户还未部署相应服务器前，如何检查端口映射是否成功？
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>telnet：测试端口通不通
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>输入命令格式“<span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>telnet+设备外网ip+映射端口”,然后打回车键。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>测试后端口不通，如下图所示：
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<img src="http://p3.pstatp.com/large/pgc-image/6bd99c1141e54d719363caa928a58759" style="margin: auto; padding: 0px; border-width: 0px; border-style: initial; font: inherit; vertical-align: baseline; word-break: break-word; display: block; max-width: 100%; border-radius: 4px;” class=”aligncenter”>
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>测试后端口通，则是黑色的界面上有个光标在闪，如下图所示：
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<img src="http://p3.pstatp.com/large/pgc-image/8a8a2b9dc5504b5496584ebfdbbdcbb0" style="margin: auto; padding: 0px; border-width: 0px; border-style: initial; font: inherit; vertical-align: baseline; word-break: break-word; display: block; max-width: 100%; border-radius: 4px;” class=”aligncenter”>
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>提示”<span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>telnet不是内部或外部命令“如何处理？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>WIN7默认没有打开telnet功能，需要在使用前先开启这个功能
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>步骤一：打开电脑“控制面板-程序和功能-打开或关闭windows功能“。
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<img src="http://p3.pstatp.com/large/pgc-image/6957cb62e5144dc3bc65bd74c3d8b3f5" style="margin: auto; padding: 0px; border-width: 0px; border-style: initial; font: inherit; vertical-align: baseline; word-break: break-word; display: block; max-width: 100%; border-radius: 4px;” class=”aligncenter”>
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<img src="http://p1.pstatp.com/large/pgc-image/3d487a564846415b908cbb4cf8a5f1b6" style="margin: auto; padding: 0px; border-width: 0px; border-style: initial; font: inherit; vertical-align: baseline; word-break: break-word; display: block; max-width: 100%; border-radius: 4px;” class=”aligncenter”>
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<img src="http://p9.pstatp.com/large/pgc-image/55e478d55ffb46bab4b18313e967b404" style="margin: auto; padding: 0px; border-width: 0px; border-style: initial; font: inherit; vertical-align: baseline; word-break: break-word; display: block; max-width: 100%; border-radius: 4px;” class=”aligncenter”>
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>将打开或关闭windows功能中的telnet服务器和telnet客户端打钩，点击“确定“，即可开启telnet服务。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>五、设备耗电量怎么算？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>答：首先要确认设备的 功率参数，然后乘以对应的工作时间，来计算摄像机的功耗。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>W=P.t，以摄像机DS-2CD3T45为例，最大功率是7W，工作1小时（等于3600秒），则耗电量为：W=P.t=7*1*3600=25200焦耳
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>25200/（3.6*106）=0.007千瓦时
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>可以看出1小时的耗电量约为0.007千瓦时。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>注：W单位是焦耳（通常单位是千瓦时，俗称度，计算后要转化，1千瓦时=1度=3.6乘以10的6次方焦耳）。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>六、海康设备支持onvif协议吗？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>海康的网络摄像机跟录像机支持标准的onvif协议。对应的onvif端口号是80，如果摄像机的http端口被改掉了，onvif的端口也相应的发生变化。这个onvif端口定义了http端口的数值。【用户名默认为admin,密码是激活时候设置的激活密码】，萤石摄像机支持萤石的私有协议，不支持onvif。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>七、局域网内无法访问设备怎么办？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>局域网访问：
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>1、如果没有路由器的情况：无法自动获取Ip地址，所以需要手动设置设备的ip地址，且需要设备与电脑ip在同一个网段。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>2、如果有路由器的情况：路由器下的所有设备的IP地址均需要跟路由器IP同一个网段，是否可以获取到IP地址取决于路由器是否开启DHCP功能。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>八、海康设备密码输错几次会被锁定？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>输错5次密码会被锁定。解锁的办法：可以将设备断点重启。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>九、录像机提示IP地址不匹配，要怎么解决？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>答：提示“IP地址不匹配”，是因为在电脑客户端的用户管理中做了IP地址绑定。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>如果要解决：需要知道是哪个客户端软件上做的，撤销绑定即可。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>如果无法找到绑定了设备的客户端IP，可以用设备恢复出厂设置来解决问题。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>录像机恢复出厂：主菜单-系统维护-缺省配置-点击 确定 即可。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>硬盘里的录像不会丢失，录像机除网络参数之外其他的参数需要重新配置。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>摄像机恢复出厂：在同一局域网的电脑浏览器输入设备的IP地址，输入用户名跟密码之后登入。在高级配置-系统里有恢复出厂设置，选择简单恢复即可。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>十、录像机，摄像机默认IP是多少？
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>答：海康老版本的设备初始IP地址是192.0.0.64，新版本设备的初始IP地址是192.168.1.64
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>录像机的当前IP地址可以在主菜单-系统配置-网络配置-基本配置-IPV4界面查看，如果没有显示器，可在同一局域网内的电脑下载安装SADP软件，进行搜索。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>摄像机的当前IP地址，如果摄像机连接了录像机，可以在录像机-主菜单-通道管理-IP通道界面查看，如果录像机上搜不到，建议在同一局域网内的电脑安装SADP软件，搜索设备当前IP地址。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>软件下载地址：
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>http://www.hikvision.com/cn/download_more_393.html
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>补充一个内容：
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>最近有不少朋友问到关于电信的超级密码是多少，这个确实是经常遇到。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>上海贝尔：RG2010-CA（电信专用）
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>超级用户名：telecomadmin 密码：nE7jA%5m
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; word-break: break-word;”>测试可行的方法
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>第一步：先进入http://192.168.1.1 用户名为：usercomadmin
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>密码：光猫背面印刷有，进入后再打开
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>http://192.168.1.1/backupsettings.conf 系统会自动下载。
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>backupsettings.conf.记住，用普通用户进入后才可以下载。
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<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>第二步：将下载后的文件用记事本打开。输入Password。<Password>telecomadminXXXXXXXX</Password>
<p style="margin-top: 16px; margin-bottom: 16px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; word-break: break-word;”>这里面的X为8位。每个光猫的密码都是随机的，也就是说，密码格式为：telecomadmin+随机八位密码。
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