BS EN 61076-2-109-2014 电气设备用连接器.产品要求.圆形连接器.数据传输频率为500 MHz及以下的带有螺纹锁定的M12x1连接器的详细规范
Connectors for electronic equipment. Product requirements. Circular connectors. Detail specification for connectors with M 12 × 1 screw-locking, for data transmission frequencies up to 500 MHz