H12-411_V2.0 Exam Questions

FusinoModule500 adopts natural heat dissipation.

When configuring UPS cables, it is necessary to consider the UPS rated current and the voltage drop on the line for selection.

The maximum output power of UPS5000-E (25-75KVA) bypass module is 128KW.

In the low-voltage power distribution system, the function of the N line is to return the AC working current.

When it is necessary to stop the running equipment, directly disconnect the isolating switch to cut off the power supply of the equipment.

The refrigeration performance of the environmentally friendly refrigerant R410A is better than that of the non-environmentally friendly refrigerant R22.

Through the asset management function, the number of equipment in the computer room can be automatically counted to improve the efficiency of asset inventory.

DC power supply is only used in communication base stations and is not suitable for data centers.

According to Heinrich's Law, the absence of an accident means that no accident will occur.

The function of the collector is to collect signals from UPS, air conditioners, cameras and other equipment.

For air-cooled precision air conditioners, when the outdoor unit is higher than the indoor unit, a reverse U-bend needs to be installed.

The RS485 interface only supports two-wire system, not four-wire system.

The surface cooler controls the indoor temperature by exchanging heat between the refrigerant and the indoor air.

There are generally two types of variable air volume ventilation floors, one is through an adjustable air valve, and the other is a special ventilation floor plus an adjustable fan...

There are three main types of Modbus protocols: Modbus-RTU, Modbus-ASC, and Modbus-TCP

When charging, secondary batteries store electrical energy as chemical energy; when discharging, they convert chemical energy into electrical energy.

ACB circuit breakers are mainly used at the front end of IT loads, such as in UPS output cabinets.

UPS2000-G is an online double-conversion UPS. In normal working state: the AC power provides energy, the rectifier converts AC power into DC power, the inverter converts the rectif...

Huawei NETCol5000 is mainly designed for medium and high density scenarios (>5KW/cabinet)

ATS dual power automatic switching switch can realize fast load-carrying mechanical switching of two power supplies.

CLF is defined as the ratio of power consumption of data center cooling equipment to power consumption of IT equipment.

FM800 has the function of automatic start-up when receiving a call for civil air conditioner

FM1000A V2R3 version 20-foot CT solution supports maximum CT load of 8KW

The operating temperature range of FusinoModule800 is -20-45 degrees, and the operating temperature range of FusinoModule500 is 0-45 degrees.

FUsinoModule1000A V2R3 version 20-foot CT solution is equipped with 4 600*800*2200mm CT cabinets.

FUsinoModule1000A V2R3 version uses Huawei UPS5000E as IT load power supply.

FUsinoModule1000A V2R3 version customized spraying can meet UL120min fire resistance requirements.

FusinoModule1000A V2R3 version can be customized with bulletproof shell.

FusinoModule2000 requires a minimum room height of 2.6 meters.

FusinoModule2000 integrated UPS has two models: 50K/125K.

Netcol5000-A025H half-cabinet row-level variable frequency air-cooled precision air conditioner, Netcol5000-A042H full-cabinet row-level variable frequency air-cooled precision air...

NetCol5000-A042H full-cabinet row-level variable frequency air-cooled precision air conditioner has load-clearing dehumidification function, which can meet the reliable dehumidific...

NetEco management system supports user rights and domain division functions, which can ensure that different operation and maintenance personnel can only view the equipment they ma...

PPUE is an extension of the PUE concept of a data center and is used to evaluate and analyze the energy efficiency of a local area or equipment in a data center.

RER is used to measure the use of renewable energy in data centers to promote the use of renewable energy such as solar energy, wind energy, and hydropower, and to generate zero or...

STS static transfer switch can realize the switching between different input power supplies and provide dual power supply for single power supply load.

The three-phase unbalanced current in the TN-S low-voltage distribution system causes the protective line PS to generate a voltage to the ground.

Common UPS system configurations include N system, N+X system, and 2N system.

UPS can purify the AC input, output stable AC, and protect the load.

UPS inverter components can realize the conversion from AC to DC.

The UPS front-end input can be two mains power lines, one main and one backup, or one mains power line and one diesel generator input.

The N+X system of the UPS system has a higher power supply guarantee level than the 2N system.

UPS-2000-G (6k-10k) battery voltage is 240V, 15K/20 battery voltage is 480v.

UPS2000-G adopts high power density design, 6K/10K is only 2U high, 15K/20K is only 3U high, reducing installation space

UPS2000-G monitors the entire parallel system with one card. The parallel system only needs one communication option card to monitor the entire parallel system.

UPS5000-A-120KVA can support wall installation

UPS5000-A has built-in SNMP and ModBus cards to reduce customers' management investment costs.

UPS-5000-A supports adjustable number of batteries to avoid replacement of the entire battery pack due to failure of a single battery.

UPS5000-E (25-125KVA) does not support iBattery function.

UPS5000-E (25-125KVA) only supports upstream wiring.