Lantronix
SM12XPA Web User Guide
33848 Rev. A
Page
282
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473
17. PTP
Configuration
This page lets you set and view current Precision Timing Protocol parameters. The switch let you configure up to
four PTP instances.
To configure a PTP instance in the web UI:
1.
Click PTP and Configuration.
2.
Set the PTP External Clock Mode parameters.
3.
Click the Add New Entry button.
4.
Specify the parameters in each blank field.
5.
Click the Apply button to save the settings.
6.
To cancel the settings, click the Reset button to revert to previously saved values.
Figure 16-1a: PTP External Clock Mode Configuration
Parameter descriptions
:
PTP External Clock Mode
External Enable
: This selection box lets you configure External Clock output. These values are possible:
True
: Enable the external clock output.
False
: Disable the external clock output (default).
Adjust Method
: This selection box lets you configure the Frequency adjustment configuration as follows:
LTC
: Select Local Time Counter (LTC) frequency control.
Single
: Select SyncE DPLL frequency control, if allowed by SyncE.
Independent
: Select an oscillator independent of SyncE for frequency control, if supported by the HW
Common
: Select second DPLL for PTP, Both DPLL have the same (SyncE recovered) clock.
Auto
: AUTO Select clock control, based on PTP profile and available HW resources (default).
Clock Frequency
: This lets you set the Clock Frequency in the range 1 – 25000000 Hz (1 - 25MHz).
