A.The new software version continuously improves stability.

B.You are advised to immediately upgrade the system software to the latest version.

C.The new software version continuously increases new functions.

D.The new software version continuously improves usability.

A.Technology authorization

B.Management authorization

C.Customer authorization

D.Administrative authorization

A.Hardware optimization

B.Network expansion

C.Air conditioner replacement in the equipment room

D.Software optimization

A.Perform technical review by each involved party.

B.Assess risks.

C.Build an FOA site for tests.

D.Review the solution by original vendor experts.

A.When the grounding mode and the grounding resistance are checked, the working ground, protection ground, and building lightning protection ground should be separately configured in the equipment room.

B.It is recommended that power cables and service cables be placed together in a neat and orderly manner.

C.For energy saving, the current temperature and humidity in the equipment room must meet requirements of devices. Air conditioners are not required to run continuously and stably.

D.Devices should be placed stably in flat positions in a ventilated and dry environment, and only a few sundries can be placed around the devices.