Current Network Mask: The Network Mask currently being used by the PTP inter-
face.
Current Gateway: The Gateway address currently being used by the PTP interface.
Port Status
Port State: Reports the current state of the PTP State Machine:
Disabled: PTP Ethernet port is Disabled. See PTP Setup/Network page, PTP
Network Settings options.
Initializing: Ethernet link is unplugged/PTP Module is in power-up state. A
Master Clock doesn’t leave this state while it can’t get the current time and
synchronization references from SecureSync to synchronize with it.
Listening: PTP module is looking for a Master Clock.
Master: PTP Master has become the active Master Clock on the network.
Passive: PTP Module has become a Passive Master Clock. (There is another
Master Clock on the network with better quality or higher priority). This
Master will wait until the Best Master Clock Algorithm determines it should
become the best Master Clock, and then it will transition to the Master Clock
state.
Uncalibrated: PTP Slave has selected a Master Clock on the network
attempts to synchronize with it using sync packets.
One Step Mode: Determines the number of steps in the PTP protocol. Will
be one of the following:
Disabled: Two-Step Mode is enabled
Enabled: One-Step Mode is enabled
[Default=Disabled]
Note: One-Step Mode is not supported with the Peer-to-Peer
Delay Mechanism.
The current implementation of One-Step Mode involves a software oriented
timestamping. The Two- Step Mode imlements a hardware oriented
timestamping, insensitive to software execution time variations. The Two-
Step Mode is recommended, as it increases the PTP Clock's accuracy
472 SecureSync 2400 User Manual
APPENDIX
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