PE-11(1) - Emergency Power | Alternate Power Supply — Minimal Operational Capability

Provide an alternate power supply for the system that is activated [Selection: manually; automatically] and that can maintain minimally required operational capability in the event of an extended loss of the primary power source.


Informational References

ISO 27001

ID: PE-11(1)
Enhancement of : PE-11

Countermeasures Covered by Control

ID Name Description D3FEND

Space Threats Tagged by Control

ID Description

Sample Requirements

Requirement Rationale/Additional Guidance/Notes
The [spacecraft] shall perform an orderly, controlled system shut-down to a known cyber-safe state upon receipt of a termination command or condition.{PE-11,PE-11(1),SA-8(16),SA-8(19),SA-8(24),SI-17}
The [spacecraft] shall operate securely in off-nominal power conditions, including loss of power and spurious power transients.{PE-11,PE-11(1),SA-8(16),SA-8(19),SI-13,SI-17}

Related SPARTA Techniques and Sub-Techniques

ID Name Description