新颖的电缆对号器王华通局电缆的维修及设备安装，经常需要进行电缆芯线的对号。采用以往的电缆对号器一次只能对线一组．工作效率较低。本文介绍的新颖对号器一次可对十组。在进行芯线排序及寻找故障线段时．方便快捷，自动显示。使用距离可达２０公里。工作原理本电路的... Novel cable diao Wang Tong Tong cable maintenance and equipment installation, often need to check the core of the cable. The use of the past cable at a time only on the line of a group. Work less efficient. This article describes a new pair of markers can be a group of ten. In the core sorting and finding the fault line. Convenient, automatic display. The use of up to 20 km. The working principle of this circuit ...