网赌输了换个新号能赢不

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                1. 搜索新闻

                  光纤信号传输常见故障及排除方法

                  来源:投影时代 更新日期:2019-03-16 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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