PE-11(1): Alternate Power Supply – Minimal Operational Capability
- NIST Special Publication 800-53 Revision 4:
- PE-11(1): Long-Term Alternate Power Supply – Minimal Operational Capability
Provide an alternate power supply for the system that is activated [Assignment: manually, automatically] and that can maintain minimally required operational capability in the event of an extended loss of the primary power source.
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.