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Which of the following components can control the lighting in the computer room and control the PAD charging?
Which of the following components can control the lighting in the computer room and control the PAD charging?A . Access Control ActuatorB . ActuatorC . Cabinet collectorD . Smart ETH socketView AnswerAnswer: B
When the device interface uses the MODBUS-RTU protocol, ( ) needs to be installed when connecting to the ECC800.
When the device interface uses the MODBUS-RTU protocol, ( ) needs to be installed when connecting to the ECC800.A . ETH ConverterB . Access Control ActuatorC . Sunroof ActuatorD . AC ActuatorView AnswerAnswer: A
The technical essential of the vacuum pumping action of the pipeline is: the degree of vacuum is not greater than () PA.
The technical essential of the vacuum pumping action of the pipeline is: the degree of vacuum is not greater than () PA. A. 90 B. 80 C. 70 D. 60View AnswerAnswer: D
The user can modify the IP address of the ECC800 from the () menu on the ECC800WEB interface.
The user can modify the IP address of the ECC800 from the () menu on the ECC800WEB interface.A . Micro module settingsB . Video IP settingsC . Time settingD . Monitoring module IPView AnswerAnswer: D
The height of the ECC800 collector is () U.
The height of the ECC800 collector is () U.A . 1B . 2C . 3D . 4View AnswerAnswer: A
The external maintenance bypass of the UPS system generally uses a circuit breaker with ( ) pole.
The external maintenance bypass of the UPS system generally uses a circuit breaker with ( ) pole.A . 3B . 1C . 4D . 2View AnswerAnswer: A
After the start-up and debugging of the air conditioner, the indoor temperature is in a reasonable state, and the suction pressure is not lower than () can be regarded as reasonable.
After the start-up and debugging of the air conditioner, the indoor temperature is in a reasonable state, and the suction pressure is not lower than () can be regarded as reasonable.A . 7MPAB . 6MPAC . 5MPAD . 0.7MPAView AnswerAnswer: D
The 2.4G antenna on ECC800 should be installed in ().
The 2.4G antenna on ECC800 should be installed in ().A . RF_ZA wiring portB . 3G/4G antenna interfaceC . RS485 portD . DO output dry contactView AnswerAnswer: A
During the use of the battery, in order to reduce the deterioration of the trend of voltage imbalance between batteries, it is necessary to increase the charging voltage of the battery pack, activate and charge the battery, and prolong the battery life. The maintenance method is called ().
During the use of the battery, in order to reduce the deterioration of the trend of voltage imbalance between batteries, it is necessary to increase the charging voltage of the battery pack, activate and charge the battery, and prolong the battery life. The maintenance method is called ().A . Float...
RH2288 server supports () power input.
RH2288 server supports () power input.A . 1B . 2C . 3D . 4View AnswerAnswer: B
