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.
| ID | Name | Description | D3FEND | |
| ID | Description | |
| 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} |
| ID | Name | Description | |
|---|---|---|---|