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EdgeSync Manual rev 1 | 33
PTP :: Time
Figure 21 PTP :: Time Webpage
The Time Webpage for setting UTC time values contains the following displays, entries, and buttons:
PTP :: Time
Legend: RO = Read Only, RW = Read/Write, WO = Write Only
Labels
Access
Description
Time
UTC Time
RO
Display UTC time in the following format:
YYYY-MM-DD HH:MM:SS
UTC Offset
RO
UTC offset in seconds.
Holdover Limits (us)
RW
Set the holdover limits.
This time limit is used to determine the Holdover Duration Spec
Achieved. The time limit value is the EdgeSync user’s maximum
allowed error above the Quality Threshold setting on the PTP ::
Config web page for the EdgeSync to remain in Holdover.
Apply / Clear
Apply Button
WO
Click for selection and settings to be applied to the EdgeSync
Clear Button
WO
Click to clear the latest changes
On-board Oscillator
On Board Oscillator
RO
Display OCXO and specified holdover duration
Holdover Duration
Specs Achieved with
Current XO
and Holdover Limit
Settings
RO
Display holdover duration based on the Holdover Limits (us)
setting
Table 11 PTP Time Options
PTP :: SNTP
The SNTP webpage is for setting up a Simple Network Time Protocol version 4 server. SNTP is a
subset of Network Time Protocol used to synchronize computer systems in the network. SNTP
synchronizes clients time with the server, that has already been synchronized by a source such as a
from GNSS, PTP master or manually set, using date command using connectionless User Datagram
