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APMxxxx Series User's Manual
Automatic System Isolation Tests:
This determines whether the System Isolation Tests will be performed automatically.
Automatic Test Schedule:
This determines when the System Isolation Tests will be
performed when Automatic System Isolation Tests is selected.
Clicking Edit selects a calendar menu that allows a wide range
of minute/hour/day/week/month selections to be chosen,
enabling specific times to be allocated for the System Isolation
Tests.
Antenna Isolation Test:
Test Frequency:
The frequency upon which the Antenna Isolation Test will be performed.
Note:
Depending on local licensing and regulatory requirements this frequency will normally be one of the sites existing
Base Station receive frequencies.
Rx Subsystem Gain(Loss):
Test Frequency(s):
The frequency(s) upon which the Rx Subsystem Gain/Loss Test will be performed.
Note:
Depending on local licensing and regulatory requirements this frequency will normally be one of the sites existing
Base Station receive frequencies.
Tx Rejection:
Test Frequency(s):
The frequency(s) upon which the Tx Rejection Test will be performed.
The frequencies selected for this test must be Tx frequencies that are selected in the Configuration – Tx Ports screens.
Note:
Defaults:
Clicking this resets all data fields to the factory defaults.
Discard Changes:
Click this button to restore the values to those current saved. Note that if invalid values are being displayed after an Apply
attempt, these values may not match the current system configuration. In this case, just select the Configure - Isolation Tests
menu item again to re-display the current configuration.
Apply:
This will attempt to save and activate the values entered. If any out-of-range values are present, nothing will be saved and the
problem settings will be highlighted with a red background.
NOTE:
measured as a Rx Channels measurement. The Rx Frequency can be measured as one of the
systems own Tx frequencies, and the Max/Min Alarm Levels set to measure a change in received
level (which includes the antenna isolation value). A reduction in Tx Output Power or Antenna
Isolation can generate an alarm if the measure Rx level is outside the alarm Max/Min values. As
Tx Power is also alarmed, in can be deduced whether an alarm is being generated by a reduction
in Tx Output Power or Antenna Isolation value, and fault rectification actioned accordingly.
Antenna Isolation values outside the measurement range of this test may also be
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