【判断题】
同一中继段内,同一在用通信系统同时阻断多处,记障碍一次。
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外界因素导致无法开通业务,我们应该向客户做好解释工作。
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为识别光缆A、B端,光缆外护套长度标记:"米"表,间隔1m标记一下,数字大的为A端。()
【判断题】
我们把折射率小的媒质叫做光疏媒质,折射率大的媒质叫做光密媒质。
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五点钟快下班了,手里的工单还没有装完,可以明天再装,用户不催,我们也不急。
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用户网络吞吐量是网络不丢帧情况下测试的最大速率,是能直接反映“带宽”的一个常用性能指标。
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用户线路是指从市话交换局的总配线架横列起,经电缆、进线室、管道、交接设备、引上电缆、分线设备、引入线或经过楼内暗配线至用户电话机的线路。
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用户走线应该和用户商量,应该由用户来决定终端的摆放位置
【判断题】
由于蝶形引入光缆不能长期浸泡在水中,因此一般不适宜直接在地下管道中敷设
【判断题】
由于光在真空中的速度大于光在任何媒质中的速度,所以任何媒质的折射率都大于1。
【判断题】
语音网关吊死,FTTH用户就无法正常拨打电话和上网。()
【判断题】
遇到高楼层起火我们应该走楼梯,不走电梯。
【判断题】
在FTTH场景下,光分配网络(ODN)按用途分为主干光缆、配线光缆、室外用户引入光缆。()
【判断题】
在FTTH模式下,ONU的断电将造成宽带不通,但电话依然可以使用。()
【判断题】
在布放光缆时,只需考虑其所承受的最大张力。
【判断题】
在道路上施工作业,凡需阻断车辆通行时,必须经过有关部门批准。
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在工作中,为了提高工作效率,我们开车的时候可以和客户电话预约,以便节省时间。
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在工作中不准接受客户的任何招待,不准利用工作之便索要或接受客户馈赠、报酬、回扣及各种名目的好处费。
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在光接入网中,OLT只能放置在机房,不能下移到小区。()
【判断题】
在光缆敷设过程中,应严格注意光纤的拉伸强度、弯曲半径,避免光纤被缠绕、扭转、损伤和踩踏。
【判断题】
在光网络中,只要能满足用户需求,那分光器可以无限制分光。
【判断题】
在接近发电厂、变电站的地网中,应将光缆的金属加强构件接地,避免将高电位引入光缆。
【判断题】
在接近交流电气铁路的地段进行光缆施工或检修作业时,应将光缆中的金属加强构构件作临时接地,以保证人身安全。
【判断题】
在楼房上装机引线时,遇窗外无走廊阳台,如必须站在窗台上作业,必须扎绑安全带进行保护。
【判断题】
在确认直埋线路位置的情况下,可以在光缆线路1米外打饮水井。
【判断题】
在上面有电力线的电杆上作业时,线务员的头部不得超过杆顶。
【判断题】
在野外作业时,可以在露天使用光缆熔接机。
【判断题】
在用OTDR进行测试时,脉冲宽度越大越好。
【判断题】
在用户端的局域网中,网络交换机与用户电脑之间的超五类线最长传输距离不能超过100M。
【判断题】
在用户家里可以随便抽烟,不用理会用户家里。
【判断题】
在用户家里作业产生的垃圾应该随身带走,树立良好的形象。
【判断题】
在用户家装机可以破坏掉其他运营商的网线
【判断题】
在装机过程中,楼栋不高可以不用穿戴安全帽,这个更容易加快工作效率。
【判断题】
在装机中,可以从电线杆上面走线,这样既方便也省事。
【判断题】
在作业时,若有电力线电灯线等触碰或断落在作业区域内,应立即停止作业。
【判断题】
造成光缆线路对地绝缘低于2M的主要原因可归纳为:光缆外护层的破损、光缆端头残余浸水、接头盒密封不好、接头盒监测引出线装置损伤、施工季节和竣工验收受气候的影响。
【判断题】
长途干线在野外一般采用直埋方式敷设光缆,根据实地查勘情况,设计采用普通铠装光缆或钢丝加强铠装光缆。
【判断题】
长途通信光缆的纤芯,出现短路现象造成系统障碍。
【判断题】
障碍发生后要依据“先抢通,后修复”原则,利用各种手段首先尽快回复客户业务。()
【判断题】
障碍在修复后,经线路人员测试,保证线路质量后,线路人员可撤离抢修现场。
【判断题】
正式修复光缆线路障碍时,必须尽量保持通信,尤其不能中断重要电路的通信。
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