The following outdoor unit models belong to dual fans are ____________ .
DB9 It is an agreement.
The following statement is correct ____________ .
The following ____________ Yes UPS N The advantages of the system.
The administrator cannot segment the login time and login of other users through the Huawei monitoring system IP Address restrictions.
UPS The front-end input can be two mains, one main and one standby, or one mains and one diesel engine input.
PUE The closer the value ____________, indicating that the energy efficiency status of the data center is good.
The fuse can protect personal safety when the equipment leaks.
The following ____________ belong to the characteristics of water-cooled chilled water air conditioners.
Use RS485 Communication method, the maximum communication distance is ____________ Meter.
