求翻译：4、 综上，不同安全类别的医用电气设备和非医用电气设备可以通过功能连接组成医用电气系统，并没有改变设备的安全类别是符合要求的。是什么意思？

4, the sum of different types of medical electrical equipment safety and non-medical electrical equipment can be connected to form a functional medical electrical systems and equipment did not change the security category is to meet the requirements.

4, * CSSA, security, and different types of medical and non-medical use electrical equipment used electrical equipment can be formed through the functional connections with electrical system, medical equipment and did not change the security category has met the requirement.

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4, summing up the above, different security category of medical electrical equipment and medical electrical equipment can be connected through a function comprising medical electrical system, did not change the Security category of the device is to meet the requirements of.

正在翻译，请等待...