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Event Log: Logs up to 1000 event entries. If there are more than 1000 events,
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Circular keeps the latest entries. The oldest entry will be deleted so that the new event can be
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added.
Blocked stops recording new events after 1000 entries. The latest entries will not be logged.
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TX Start: Separated or Coupled. Configures how the measurements are started when in BERT and
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Multiple Streams test modes.
Separated: Independent control (Start/Stop) of the transmitter is enabled. At the start of the
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test only the receiver is turned on -- the user must start the transmitter manually.
Coupled: Transmitter and receiver are turned on at the same time, and the Tx and Rx meas-
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urements start at the same time at the start of the test.
Clock (ToD) Synchronization Device: Disable, GPS, 1PPS, Local, Atomic 1PPS. Select the
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device to be used to synchronize the clock to perform the One Way Delay measurement.
When a device is selected the following fields can be seen on the screen:
External Clock Input: 1pps (SMA Port). The SMA Port must be used for the 1pps signal.
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UTC ToD: Displays the Coordinated Universal Time (UTC) Time of Day once it is acquired.
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Clock Sync Time: Time field to configure the UTC ToD that both test sets, carrying out a one-
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way delay test between each other, will be synchronizing their internal time stamping at.
Check with customer care for availability.
Gratuitous ARP: ON or OFF. If set to ON, a gratuitous ARP is performed. When the test port has an
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IP connection, an ARP request will be transmitted at regular intervals to keep the router/gateway
Ethernet
Both test sets must be configured to the same Clock Sync Time.
Clock Synchronization is not supported on all the test set models.
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