PE-11(1) Alternate Power Supply — Minimal Operational Capability
Control enhancement of PE-11 Emergency Power
Control
Provide an alternate power supply for the system that is activated [Assignment: Selection: manually | automatically] and that can maintain minimally required operational capability in the event of an extended loss of the primary power source.
Discussion
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.
Need PE-11(1) implemented and evidenced?
We assess where you stand against this control, document the gap, and build the remediation plan your auditor and your board will both accept.
Control catalog and framework text on this page is reproduced from official NIST publications — a public-domain work of the U.S. Government (17 U.S.C. §105). Maverc commentary, groupings, and readiness guidance are our own and are not part of any NIST publication.