Omicron Lab OTMC 100 Series User Manual page 41

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Delay mechanism
Sync interval [s]
Announce interval [s]
Announce receipt timeout
Minimum pdelay request
interval [s]
Minimum delay request
interval [s]
Peer mean path delay [ns]
Delay asymmetry [ns]
OMICRON
Displays which PTP delay mechanism is currently used by OTMC 100.
The value of this parameter may either be E2E (end-to-end) or P2P
(peer-to-peer). The PTP delay mechanism used depends on the PTP
profile selected in the
Displays the mean synchronization interval for multicast messages
(interval between successive Sync messages).
This parameter is set in the
Sync Interval = 2
Log sync interval
8.2.5.4.3.
Displays the mean time interval between successive Announce
messages. See IEEE 1588-2008, clause 8.2.5.4.1.
This parameter is set in the
Announce interval = 2
Displays the number of "Announce Interval" intervals that have to pass
without the receipt of an Announce message before an
ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES event occurs. See
IEEE 1588-2008, clause 8.2.5.4.2.
This parameter is set in the
Displays the minimum permitted mean time interval between successive
Pdelay_Req messages. See "logMinPdelayReqInterval" in
IEEE 1588-2008. Only available for profiles Default P2P, Power
(C37.238-2011), Power (C37.238-2017), and Power utility
(61850-9-3:2016).
This parameter is set in the
Minimum pdelay request interval = 2
IEEE 1588-2008, clause 8.2.5.4.5.
Displays the minimum permitted mean time interval between successive
Delay_Req messages. This value is determined and advertised by a
master clock based on the ability of the master. Only available for PTP
profile Default E2E.
This parameter is set in the
Minimum delay request interval = 2
IEEE 1588-2008, clause 8.2.5.3.2.
Displays the estimate of the current one-way propagation delay on the
link computed using the peer delay mechanism. If the delay mechanism
is E2E, this value is zero. See IEEE 1588-2008, clause 8.2.5.3.3.
Displays the asymmetry delay. The asymmetry delay is defined to be
positive when the master-to-slave or responder-to-requestor propagation
time is longer than the slave-to-master or requestor-to-responder
propagation time. See IEEE 1588-2008, clause 7.4.2.
Time (master -> slave) = meanPathDelay + delayAsymmetry
Time (slave -> master) = meanPathDelay - delayAsymmetry
The OTMC 100 web interface
PTP configuration
(see page 62).
PTP configuration
seconds, see IEEE 1588-2008, clause
PTP configuration
Log announce interval
seconds.
PTP configuration
PTP configuration
Log min pdelay request interval
PTP configuration
Log min delay request interval
(see page 62).
(see page 62).
(see page 62).
(see page 62).
seconds, see
(see page 62).
seconds, see
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