Which of the following are the difference between traditional power frequency machine and high frequency machine? (Multiple choice)

The device is connected to the ECC800 monitoring system through the smart ETH socket, using the () interface of the smart FTH socket.

Which of the following are the working modes of the runner natural cooling scheme? (Multiple choice)

If the customer has high requirements on the availability of the management system and requires that the normal use of the system is not affected by a single point of failure of the hardware, the NetEco management system can provide a high-availability solution of dual-system backup. In the dual-computer solution, what hardware resources are required by NetEco?

The NetEco6000 management system can provide monitoring of the cooling power system, which of the following functions can it provide? (Multiple choice)