645.18

[anbm]

645.18 Surge Protection for Critical Operations Data Systems.
Surge protection shall be provided for critical operations data
systems.

What's exact definition of Critical Operations Data Systems equipment or rooms?

Are the IT equipment located inside telecommunication, IDF room, closets in a commercial building or
hospital considered as Critical Operations Data Systems?

 

[publicgood]

645.18 Surge Protection for Critical Operations Data Systems.
Surge protection shall be provided for critical operations data
systems.

What's exact definition of Critical Operations Data Systems equipment or rooms?

Are the IT equipment located inside telecommunication, IDF room, closets in a commercial building or
hospital considered as Critical Operations Data Systems?

645.2

Critical Operations Data System. An information technology equipment system that requires continuous operation for reasons of public safety, emergency management, national security, or business continuity.

645.10(B) helps to provide some context

Somewhat along the lines of COPS 708, but not necessarily full blown.

Typ commercial building, no. Hospital, arguably yes. With the reminder that 645 is an optionally applied article...and isn’t commonly used in healthcare settings.