PRP is a achieves failsafe operation in power substation networks by duplicating the information. Zeus provides all the required passive and active testing functionality required to troubleshoot PRP including PTP, GOOSE and SV operating over PRP.

The frequency holdover or partial holdover function is an example of how frequency references could be used in phase & time synchronization. This Net.Time feature provides nanosecond accuracy for a long time when GNSS or PTP references are lost.