Open the Tekron configuration tool
Go to the "Maintenance" Tab
At the bottom left of the screen under the “Licenses” section, it will have the name of the licenses that are installed on the clock
If "NTP licensed" is listed the clock will have an NTP license.
If "PTP licensed" is listed the clock will have a PTP license.
If "PRP licensed" is listed the clock will have a PRP license.