Hirschmann RS20 Reference Manual page 93

Time
Parameters Meaning
Frequency The device gets the frequency from
Traceable a primary UTC reference, e.g. NTP
server, GPS.
PTP Time Scale The device uses the PTP time scale.
According to IEEE 1588, the PTP
time scale is the TAI atomic time
started on 01.01.1970. In contrast to
UTC, TAI does not use leap
seconds. On 01.01.2009, the
difference between UTC and TAI
was +34 seconds.
Table 49: Properties of the local time
Buttons

Button Meaning
Set Transfers the changes to the volatile memory (RAM) of the device. To
permanently save the changes, open the
dialog, select the location to save the configuration, and click "Save".
Reload Updates the fields with the values that are saved in the volatile memory
(RAM) of the device.
Help Opens the online help.
Table 50: Buttons
Port

Parameters Meaning
Port Port to which this entry applies.
If the device does not support the
PTP mode selected, the table is
empty.
PTP enable Port sends/receives PTP
synchronization messages
Port blocks PTP synchronization
messages.
Table 51: Port Dialog Version 2(BC)
RM GUI L2E
Release 8.0 05/2013
3.3 PTP (IEEE 1588)
Possible values
Yes
No
Yes
No
Basic Settings:Load/Save
Possible values
on
off
Default setting
Default setting
on
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