PE-11(1)—Alternate Power Supply — Minimal Operational Capability
HIGH
>Control Description
Provide an alternate power supply for the system that is activated [Selection (one): manually; automatically] and that can maintain minimally required operational capability in the event of an extended loss of the primary power source.
>Supplemental Guidance
Provision of an alternate power supply with minimal operating capability can be satisfied by accessing a secondary commercial power supply or other external power supply.