五张牌斗牛技巧口诀

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今日福彩3b全部藏机图

来源:投影时代 更新日期:2020-03-16 作者:佚名

    guangxianshiguangdaoxianweidejianxie,shiyizhongyoubolihuosuliaozhichengdexianwei,kezuoweiguangchuandaogongju。zaishipinxinhaochuanshuxitongzhong,guangxianzhuyaoyongzaishipinxianchuanshubugouzhang,wangluojiankongdewangxianchuanshubugouzhangdeqingkuangxia,xuyaozhangjulichuanshudehuanjingzhong。guangxianzaishipinchuanshuzhongyouhendayongchu,yidanchuxianguzhanghuizaochengchengdademafan,ruhepaichuguangxianwangluochangjianguzhangjipaichufangfabiandeyuelaiyuezhongyao。

    第一,光纤收发器或光纤模块的指示灯和双绞线端口指示灯是否亮

    rushoufaqideguangkou(fx)zhishidengbuliang,qingquedingguangxianlianlushifoujiaochalianjie;guangxiantiaoxianyitoushipingxingfangshilianjie;lingyitoushijiaochafangshilianjie。ruashoufaqideguangkou(fx)zhishidengliang、bshoufaqideguangkou(fx)zhishidengbuliang,zeguzhangzaiashoufaqiduan:yizhongkenengshi:ashoufaqi(tx)guangfasongkouyihuai,yinweibshoufaqideguangkou(rx)jieshoubudaoguangxinhao;lingyizhongkenengshi:ashoufaqi(tx)guangfasongkoudezheitiaoguangxianlianluyouwenti(guanglanhuoguangxiantiaoxiankenengduanle)。

    shuangjiaoxian(tp)zhishidengbuliang,qingquedingshuangjiaoxianlianxianshifouyoucuohuolianjieyouwu。qingyongtongduanceshiyijiance;youdeshoufaqiyoulianggerj45duankou:(to hub)biaoshilianjiejiaohuanjidelianjiexianshizhitongxian;(to node)biaoshilianjie jiaohuanjidelianjiexianshijiaochaxian;youdefaqicemianyoumprkaiguan:biaoshilianjiejiaohuanjidelianjiexianshizhitongxianfangshi;dtekaiguan:lianjiejiaohuanjidelianjiexianshijiaochaxianfangshi。

    第二,用光功率计仪表检测

    guangxianshoufaqihuoguangmokuaizaizhengchangqingkuangxiadefaguanggonglv:duomo:-10db--18dbzhijian;danmo20gongli:-8db--15dbzhijian;danmo60gongli:-5db--12dbzhijian;ruguozaiguangxianshoufaqidefaguanggonglvzai:-30db--45dbzhijian,neimekeyipanduanzheigeshoufaqiyouwenti。

    第三,半/全双工方式是否有误

    youdeshoufaqicemianyoufdxkaiguan:biaoshiquanshuanggong;hdxkaiguan:biaoshibanshuanggong。

    第四,光缆、光纤跳线是否已断

    a、guanglantongduanjiance:yongjiguangshoudian、taiyangguang、faguangtiduizheguanglanjietouhuoouheqideyitouzhaoguang;zailingyitoukanshifouyoukejianguang?ruyoukejianguangzebiaomingguanglanmeiyouduan。

    b、guangxianlianxiantongduanjiance:yongjiguangshoudian、taiyangguangdengduizheguangxiantiaoxiandeyitouzhaoguang;zailingyitoukanshifouyoukejianguang?ruyoukejianguangzebiaomingguangxiantiaoxianmeiyouduan。

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