Dell PowerConnect W-Airwave 7.5 User Manual Page 285

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Dell PowerConnect W-AirWave 7.5 | User Guide Using VisualRF | 273
Location Calculation Timer Settings
To tune the frequency for calculating device locations within the VisualRF UI, navigate to the Location
Calculation Timer Settings section. The available settings are described in Table 144:
Table 144 Location Calculation Timer Settings Section of VisualRF > Setup
Setting Default Description
Legacy Laptop Min/Max
(sec)
90/360 This timer determines how often to calculate the location for legacy laptop devices.
Taken with the data samples the calculation acts as follows:
After the minimum timer (default is 90 seconds), check to see if the number of data
samples received from all APs that hear this client are greater than or equal to the
number of samples setting for legacy laptop devices (default of 3 data samples).
If so (Yes to question above), then recalculate the client device's location based on
the samples received.
If not (No to the question above), then wait until the number of sample setting is met
before recalculating. If the number of samples is never met, wait until the maximum
timer (default is 360 seconds) and then recalculate.
Legacy Laptop Number
of Samples
3 See definition above.
Laptop Min/Max (sec) 90/360 This timer determines how often to calculate the location for laptop (non-legacy)
devices. Taken with the data samples the calculation acts as follows:
After the minimum timer (default is 90 seconds), check to see if the number of data
samples received from all APs that hear this client are greater than or equal to the
number of samples setting for legacy laptop devices (default of 3 data samples).
If so (Yes to question above), then recalculate the client device's location based on
the samples received.
If not (No to the question above), then wait until the number of sample setting is met
before recalculating. If the number of samples is never met, wait until the maximum
timer (default is 360 seconds) and then recalculate.
Laptop Number of
Samples
3 See definition above.
Phone Min/Max (sec) 60/240 This timer determines how often to calculate the location of phones. Taken with the
data samples the calculation acts as follows:
After the minimum timer (default is 60 seconds), check to see if the number of data
samples received from all APs that hear this client are greater than or equal to the
number of samples setting for legacy laptop devices (default of 3 data samples).
If so (Yes to question above), then recalculate the client device's location based on
the samples received.
If not (No to the question above), then wait until the number of sample setting is met
before recalculating. If the number of samples is never met, wait until the maximum
timer (default is 240 seconds) and then recalculate.
Phone Number of
Samples
3 See definition above.
RFID Min/Max (sec) 30/120 This timer determines how often to calculate the location of RFIDs (such as devices
with tag readers for tracking). Taken with the data samples the calculation acts as
follows:
After the minimum timer (default is 30 seconds), check to see if the number of data
samples received from all APs that hear this client are greater than or equal to the
number of samples setting for legacy laptop devices (default of 4 data samples).
If so (Yes to question above), then recalculate the client device's location based on
the samples received.
If not (No to the question above), then wait until the number of sample setting is met
before recalculating. If the number of samples is never met, wait until the maximum
timer (default is 120 seconds) and then recalculate.
RFID Number of
Samples
4 See definition above.
Scale Min/Max (sec) 500/2000
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