求翻译：参照示意图安装。信号采集器上M10螺孔拧在避雷器下端M10螺栓上，然后将信号采集器另一端M10螺栓接地。智能监测仪安装在开关柜面板上。开孔尺寸111mm×111mm（宽×高）。仪表尺寸120mm×120mm×80mm（宽×高×深），用2只固定卡将监测仪固定在面板上。信号采集元件芯线（红色）接仪表各相“＋”端，外皮接“－”端，“－”端在仪表内是相连的，信号线长2.6m。是什么意思？

Reference to the schematic diagram of the installation. The signal acquisition m10 screw holes screwed onto the the arrester lower end of m10 bolt, then ground the other end of the signal acquisition m10 bolt. Smart monitor installed in switch counter board. Hole size 111mm × 111mm (width × height).

Reference diagram. Signal acquisition is M 10 holes on the bottom M lightning bolt, and then 10 Signal acquisition is another end M 10 stud ground. SMART monitors installed in the switch cabinet panel. The hole size 111mm x 111MM (W x h). Meter size 120mm x 120mm x 80mm (width x height x depth), and

Reference diagram installation. Signal collector M10 bolt hole screw at the bottom arrester M10 bolts, then attach the other end signal collector M10 bolt grounding. Intelligent monitoring device installed in the switch cabinet Panel. Hole size 111mmx111mm (width x height). Instrument size 120mmx120