From Traditional Security
Part of TEMPEST - Red/Black separation (Processors)
Associated with IA controls: ECTC-1
Failure to maintain proper separation could result in detectable emanations of classified information.
Check for separation of at least 50 centimeters (19.7 inches) between any RED processor and BLACK equipment. Requirement is mandatory for all OCONUS locations and certain specific CONUS locations. NOTE: This requirement is applicable in a tactical environment. The supporting CTTA should be contracted for specific separation requirements, which may be greater than the 50 cm minimum distance reflected in this check.
A separation of at least 50 centimeters (19.7 inches) between any RED processor and BLACK equipment is required. This requirement is mandatory for all OCONUS locations and certain specific CONUS locations based on geographic threat information. The supporting CTTA should be contracted for specific separation requirements, which may be greater than the 50 cm minimum distance reflected in this check.
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