Huawei monitoring system ECC800 The collector can be inserted at most ____________ A power
supply module.
2
In the dynamic environment monitoring system, ____________ is used to indicate the severity of the
corresponding fault.
alarm level
ATS The dual power supply automatic switch can realize the fast mechanical switching of the two
power supplies.
A
In the access control system interface, the functions that can be realized are ____________ .
ABCD
The following are air-cooled row-level air conditioners ____________ .
Netcol5000-
A
MCB Circuit breakers can be divided into ____________ and (magnetic trip) according to the
principle of tripping.
thermal trip
The alarms of the dynamic environment monitoring system usually have different levels.
A
The dynamic environment monitoring system only has a secondary structure.
B
The air-conditioning energy efficiency ratio is the ratio of the effective input power to the cooling
capacity, and its value is W/W Express.
B
Huawei Monitoring System NetEco Support through ____________, send alarm information to
customers.
email, SMS
The humidifier used in Huawei's row-level precision air conditioner is an infrared humidifier.
B
MCB Circuit breakers can be divided into different tripping characteristics B, C, D, Z, K Level, for IT For
load, you should use ____________ class Tripping characteristics.
C
The core components of the refrigeration system mainly include ____________ .
evaporator,
condenser,
compressor,
expansion valve
In the dynamic environment monitoring system, viewing the detailed alarm information can help
locate the source of the alarm.
A
Data centers usually use gas fire protection systems.
A