电路板上的跳线（Jumper）常被（）开关替代？A、拨码开关B、闸刀开关C、按钮开关D、数字型拨码开关
电路板上的跳线（Jumper）常被（）开关替代？
- A、拨码开关
- B、闸刀开关
- C、按钮开关
- D、数字型拨码开关
相关考题：
基站EIRP的计算公式为（）A、BTS max. transmit power －BTS combiner and jumper loss －BTS feeder and connector loss + BTS antenna gainB、BTS max. transmit power －BTS combiner and jumper lossC、BTS combiner and jumper loss －BTS feeder and connector lossD、以上都不对
A technician has lost a necessary jumper for a new hard drive that must be installed immediately.Which of the following is the BEST solution?（）A、Use a jumper from the motherboard where the new drive is going to be installed.B、Use a jumper from a hard drive that is no longer functioning.C、Contact the manufacturer of the new hard drive and have a replacement jumper shipped immediately.D、The new hard drive must be replaced
在检修电视机或电子仪器设备等故障时，常用（），来缩小故障范围。A、替代法进行元件或集成块的替换B、替代法进行集成块的替换C、替代法进行某块电路板单元的替换D、替代法进行元件或集成块或某块电路板单元的替换
Where is the TX reference point? （）A、Where the jumper cable is connected to the output of the TX.B、Where the jumper cable is connected to the RBS.C、Where the jumper cable is connected to the output of the combiner.D、Where the jumper cable is connected to the antenna.E、Immediately outside the antenna.
单选题DPM633S发卡器通过什么配置机器型号：（）A将主板上XP1跳线2，3脚短接B主板上两个拨码SW2开关均拨到ON位罝C将主板上XP1跳线1，2脚短接D通过主板拨码开关SW1的1、2位完成配罝
单选题A technician has lost a necessary jumper for a new hard drive that must be installed immediately.Which of the following is the BEST solution?（）AUse a jumper from the motherboard where the new drive is going to be installed.BUse a jumper from a hard drive that is no longer functioning.CContact the manufacturer of the new hard drive and have a replacement jumper shipped immediately.DThe new hard drive must be replaced
单选题在单元组合式监视报警系统中，对于开关量报警控制电路板，其正确的说法是（）。A每块电路板与相应监视点相互对应，互不通用B每块电路板与相应监视点相互对应，但可相互替换C每块开关量报警控制电路板对应一个监视点D每块开关量报警控制电路板都能进行报警值设定