If multiple data centers need to be monitored at the same time hierarchical deployment is available.

After the UPS5000-E system is installed, which of the following items need to be checked? (Multiple choice)

Linkage of the multi-functional sensor and skylight can be set on the ( ) menu of ECC800.

When the temperature detector or smoke detector in the FusionModule1000 generates an alarm, ( ) emits a continuous beeping sound to remind you to take measures as soon as possible to avoid a major accident.

ECC800 uses PoE bus for southbound devices extension.