Based on the degree of concentration of equipment, what types of air conditioning systems can be divided into? (Multiple choice)

What power input methods does FusinoModule800 support?

Compared with NXR, which of the following indicators of UPS5000-A (30kVA~120kVA) has advantages? (Multiple choice)

A data center is expanding its capacity and adding five new devices a, b, c, d, and e, with power of 3kW, 4kw, 6kw, 7kw, and 10kw respectively, and a rated voltage of 220V. As shown in the figure below, a new distribution box is configured for 5 devices. Please match the devices c, d, and e with the wiring terminals in the distribution box.

What are the parameters that need to be proactively proposed when bidding for FM2000 cabinets to avoid being passively proposed by others? (Multiple choice)