In multicast mode, it is important that all IEEE 1588v2 clocks in the same domain uses
the same announce interval and announce timeout values. Otherwise the best master
algorithm may fail. Sync intervalSync interval and Min. delay Req. intervalMin. delay Req. interval should also match the
domain.
Announce intervalAnnounce interval
Allows you to specify the interval between transmitted announce messages.
Available values are between 1/8 s1/8 s and 32 s32 s.
The data to send actually is displayed in hexadecimal.
Announce timeoutAnnounce timeout
Allows you to specify the number of missed announce intervals before
announce timeout. Acceptable values are between 22 and 255255.
The calculated time is displayed right hand of the field.
UTC offsetUTC offset
Set the time difference between the internal clock or Coordinated Universal
Time (UTC) and Internal Atomic Time (TAI). For the time of January 2017, set
37 seconds as the difference between UTC and TAI. This value is used when
converting the internal time or a GPS based UTC time to TAI based time, which
is used in an IEEE 1588 clock. The correct UTC/TAI offset value changes when
leap seconds are applied to the UTC time.
GPS antenna cableGPS antenna cable
Allows you to specify the delay time of GPS antenna cable connected to the
Network Master in nano second unit.
When calculating the delay time from the cable length, it is recommendable to
use 5 ns/m as the conversion factor.
When using the following GPS provided by Anritsu, set 25 ns.
G0325A
MU100090A (When using J1706A GPS antenna of the standard accessory)
Sync intervalSync interval
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