Which is an optional component of for NetCol5000-A?

A. Fan

B. Evaporator

C. Compressor

D. Electric heater

NetCol5000-A generates abnormal noise, first check whether the compressors, fans and pipes are properly fixed or not.

A. TRUE

B. FALSE

The ETH converter can be installed by the magnet on its rear.

A. TRUE

B. FALSE

If the input phase sequence of integrated UPS is incorrect, the UPS cannot work properly.

A. TRUE

B. FALSE

The rack environment unit collects the environment data of IT cabinets

A. TRUE

B. FALSE

The ( ) is used to convert PoE signals into WIFI signals.

A. AC actuator

B. WIFI converter

C. VCN

D. Skylight actuator

After the hot backup function is enabled for the NetCol5000-C, all the unit is settled as running unit.

A. TRUE

B. FALSE

To avoid voltage unbalance between batteries, batteries need to do ( ) in period.

A. Float Charging

B. Self Discharge

C. Equalized Charging

D. Charging Test

Which humidifier is used in NetCol5000-A?

A. Electrode humidifier

B. Infrared humidifier

C. Wet film humidifier

D. High-pressure micro-mist humidifier

Which of the following factors affect VRLA battery life? (Choose all apply)

A. ambient emperature

B. Number of cycles

C. Depth of discharge

D. ambient humidity