● IED functions and features are assigned to different password levels. The assignment is fixed.
● The audit trail is recorded, listing events in the order in which they occur, held in a circular buffer.
● Records contain all defined fields from the standard and record all defined function event types where the
function is supported.
● No password defeat mechanism exists. Instead a secure recovery password scheme is implemented.
● Unused ports (physical and logical) may be disabled.
Chapter 23 - Cyber-Security P543i/P545i
608 P54x1i-TM-EN-1
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