insensitive to software execution time variations. The Two-step mode is recom-
mended, as it increases the PTP Clock's accuracy
Delay Mechanism: Will be one of the following:
E2E: End-to-End Delay Mechanism
P2P: Peer-to-Peer Mechanism
Disabled: No Delay Mechanism
Default setting: E2E
Note: Peer-to-Peer Delay Mechanism is only applicable on
networks equipped with Transparent Clocks (switches/routers
IEEE 1588 compatible). Peer-to-Peer Delay Mechanism is not
supported in Unicast transmission mode.
PPS Offset: See "Advanced tab settings" on page474.
Module Information
Software Version: Version number of embedded software
Hardware Version: Version number
Configuration — General Steps
Ensure that SecureSync's PTP port is connected to the network (check the Link Status in the
PTP Status/Network page).
Ensure the PTP port speed is 100 Mb/s (see: PTP Status page > Advanced tab > Port
Speed).
Be sure that valid time and 1PPS references are currently selected (go to
MANAGEMENT/OTHER/Time Management).
In order to operate properly as a Master Clock, SecureSync must be synchronized to a non-PTP
reference. Confirm that the chosen reference transmits the following information (as reported
by the Time Properties on the PTP Status page, under the Advanced tab):
The proper TAI or UTC time (including the current year)
The current TAI to UTC offset (required even if the reference’s time is in TAI)
Pending leap second information at least a day in advance.
If the reference does not transmit this information, it must be provided by the user in order for
the Master Clock to function properly.
The built-in GNSS reference provides all information needed with no user intervention.
480 SecureSync User Reference Guide
APPENDIX
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