PG电子·(中国)官方网站-PG电子
银讯pg电子官网
关于银讯
Loading
热门:
5G
光端机
电话光端机
网站pg电子官网
基础知识
技术支持
解决方案
空管 与 机场
海事
电力 与 能源
部队 与 公安
铁路 与 公路
其他行业
行业资讯
通信术语
通信杂谈
产品页面
Tags
|
RSS
|
留言
您所在的位置:
pg电子官网
>
行业资讯
> 评论
电话光端机电源线和地线连接方法
电话光端机的电源线连接:设备标准机型电源配置为DC-48V或AC~220V,在设备接入电源之前,请先测量接入电源的电压值及电源功率是否在设备的要求范围之内:-48V电源: -48V±10%;AC220V电源:标准AC220V±20%,50Hz;在给设备引入电源之前请检查设备的电源开关是否置于OFF,…
2024-4-27 0:45:19
[未知IP0801]网友
欧洲杯足球赛赚钱['//aolanes.com/dqzb/3380.html', '//aolanes.com/dqzb/3381.html', '//aolanes.com/dqzb/3382.html', '//aolanes.com/dqzb/3383.html', '//aolanes.com/dqzb/3384.html']
2024-4-27 0:34:44
[未知IP0801]网友
2022欧洲杯转播['//ahzlhg.com/jingyutiyu9653.html', '//ahzlhg.com/jingyutiyu9654.html', '//ahzlhg.com/jingyutiyu9655.html', '//ahzlhg.com/jingyutiyu9656.html', '//ahzlhg.com/jingyutiyu9657.html']
2024-4-27 0:24:52
[未知IP0801]网友
雷纳托 桑切斯 欧洲杯['//ahzlhg.com/jingyutiyu9513.html', '//ahzlhg.com/jingyutiyu9514.html', '//ahzlhg.com/jingyutiyu9515.html', '//ahzlhg.com/jingyutiyu9516.html', '//ahzlhg.com/jingyutiyu9517.html'
2024-4-27 0:14:38
[未知IP0801]网友
欧洲杯u21比赛['//ahzlhg.com/jingyutiyu9368.html', '//ahzlhg.com/jingyutiyu9369.html', '//ahzlhg.com/jingyutiyu9370.html', '//ahzlhg.com/jingyutiyu9371.html', '//ahzlhg.com/jingyutiyu9372.html']
2024-4-27 0:04:22
[未知IP0801]网友
CIBN看欧洲杯['//ahzlhg.com/jingyutiyu9223.html', '//ahzlhg.com/jingyutiyu9224.html', '//ahzlhg.com/jingyutiyu9225.html', '//ahzlhg.com/jingyutiyu9226.html', '//ahzlhg.com/jingyutiyu9227.html']
2024-4-26 23:53:45
[未知IP0801]网友
贝尔欧洲杯进球庆祝图片['//ahzlhg.com/jingyutiyu9073.html', '//ahzlhg.com/jingyutiyu9074.html', '//ahzlhg.com/jingyutiyu9075.html', '//ahzlhg.com/jingyutiyu9076.html', '//ahzlhg.com/jingyutiyu9077.html'
2024-4-26 23:43:10
[未知IP0801]网友
欧洲杯匈牙利对法国录像['//ahzlhg.com/jingyutiyu8923.html', '//ahzlhg.com/jingyutiyu8924.html', '//ahzlhg.com/jingyutiyu8925.html', '//ahzlhg.com/jingyutiyu8926.html', '//ahzlhg.com/jingyutiyu8927.html'
2024-4-26 23:33:18
[未知IP0801]网友
瑞士赢欧洲杯了吗['//ahzlhg.com/jingyutiyu8783.html', '//ahzlhg.com/jingyutiyu8784.html', '//ahzlhg.com/jingyutiyu8785.html', '//ahzlhg.com/jingyutiyu8786.html', '//ahzlhg.com/jingyutiyu8787.html']
2024-4-26 23:23:03
[未知IP0801]网友
泰国看欧洲杯比赛['//ahzlhg.com/jingyutiyu8638.html', '//ahzlhg.com/jingyutiyu8639.html', '//ahzlhg.com/jingyutiyu8640.html', '//ahzlhg.com/jingyutiyu8641.html', '//ahzlhg.com/jingyutiyu8642.html']
2024-4-26 23:12:29
[未知IP0801]网友
零点 欧洲杯['//ahzlhg.com/jingyutiyu8488.html', '//ahzlhg.com/jingyutiyu8489.html', '//ahzlhg.com/jingyutiyu8490.html', '//ahzlhg.com/jingyutiyu8491.html', '//ahzlhg.com/jingyutiyu8492.html']
2024-4-26 23:01:54
[未知IP0801]网友
欧洲杯夺冠预言['//ahzlhg.com/jingyutiyu8338.html', '//ahzlhg.com/jingyutiyu8339.html', '//ahzlhg.com/jingyutiyu8340.html', '//ahzlhg.com/jingyutiyu8341.html', '//ahzlhg.com/jingyutiyu8342.html']
2024-4-26 22:52:01
[未知IP0801]网友
英格兰丹麦欧洲杯精彩配合['//ahzlhg.com/jingyutiyu8198.html', '//ahzlhg.com/jingyutiyu8199.html', '//ahzlhg.com/jingyutiyu8200.html', '//ahzlhg.com/jingyutiyu8201.html', '//ahzlhg.com/jingyutiyu8202.html'
2024-4-26 22:42:29
[未知IP0801]网友
欧洲杯总决赛分数预测结果['//ahzlhg.com/jingyutiyu8063.html', '//ahzlhg.com/jingyutiyu8064.html', '//ahzlhg.com/jingyutiyu8065.html', '//ahzlhg.com/jingyutiyu8066.html', '//ahzlhg.com/jingyutiyu8067.html'
2024-4-26 22:31:54
[未知IP0801]网友
欧洲杯对位图['//ahzlhg.com/jingyutiyu7913.html', '//ahzlhg.com/jingyutiyu7914.html', '//ahzlhg.com/jingyutiyu7915.html', '//ahzlhg.com/jingyutiyu7916.html', '//ahzlhg.com/jingyutiyu7917.html']
2024-4-26 22:21:19
[未知IP0801]网友
欧洲杯皇马绝杀小将['//ahzlhg.com/jingyutiyu7763.html', '//ahzlhg.com/jingyutiyu7764.html', '//ahzlhg.com/jingyutiyu7765.html', '//ahzlhg.com/jingyutiyu7766.html', '//ahzlhg.com/jingyutiyu7767.html']
2024-4-26 22:10:45
[未知IP0801]网友
16欧洲杯mvp['//ahzlhg.com/jingyutiyu7613.html', '//ahzlhg.com/jingyutiyu7614.html', '//ahzlhg.com/jingyutiyu7615.html', '//ahzlhg.com/jingyutiyu7616.html', '//ahzlhg.com/jingyutiyu7617.html']
2024-4-26 22:00:52
[未知IP0801]网友
欧洲杯法国街拍调色['//ahzlhg.com/jingyutiyu7473.html', '//ahzlhg.com/jingyutiyu7474.html', '//ahzlhg.com/jingyutiyu7475.html', '//ahzlhg.com/jingyutiyu7476.html', '//ahzlhg.com/jingyutiyu7477.html']
2024-4-26 21:50:38
[未知IP0801]网友
美女猜欧洲杯['//ahzlhg.com/jingyutiyu7328.html', '//ahzlhg.com/jingyutiyu7329.html', '//ahzlhg.com/jingyutiyu7330.html', '//ahzlhg.com/jingyutiyu7331.html', '//ahzlhg.com/jingyutiyu7332.html']
2024-4-26 21:40:03
[未知IP0801]网友
欧洲杯在线直播粤语解说['//ahzlhg.com/jingyutiyu7178.html', '//ahzlhg.com/jingyutiyu7179.html', '//ahzlhg.com/jingyutiyu7180.html', '//ahzlhg.com/jingyutiyu7181.html', '//ahzlhg.com/jingyutiyu7182.html'
2024-4-26 21:29:25
[未知IP0801]网友
欧洲杯 红旗金色五角星['//ahzlhg.com/jingyutiyu7028.html', '//ahzlhg.com/jingyutiyu7029.html', '//ahzlhg.com/jingyutiyu7030.html', '//ahzlhg.com/jingyutiyu7031.html', '//ahzlhg.com/jingyutiyu7032.html'
总数 476
上一页
1...
17
18
19
20
21
22
23
24
下一页
23/24
发表评论
热评话题
SDH光通信中保护方式1+1和1+0的区…
什么是3G-SDI?它与HD-SDI有什么区…
E1线路的知识和接口协议,使用方法…
2M无损伤自动切换装置在电力的应用…
常用的宽带接入方式比较
电话光端机电源线和地线连接方法
特朗普新政:为中国通信产业带来哪…
sdh接口类型有哪几种?
信通院:电力无线专网业务承载与5…
电力通信中PCM设备的作用
随机推荐
华为发布首款5G的3GPP标准5G商用芯…
光模块的作用
光端机八大常见知识问答
室外光缆和室内光缆有什么区别?
尾纤接口类型 尾纤的作用
引领5G发展节奏,各方还需要不断努…
什么是自愈环网光端机?
TD-SCDMA
PCM
广州银讯PCM综合复用设备介绍