www.cooperbussmann.com/BussmannWirelessResources 69
Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual
4.3 Custom SurveyCustom Survey is essentially the same as the Channel Survey (explained in the previous section) except the three channel utilizations can be
turned on or off thus showing the different amount of traffic related data.
Percent Radio TX – Any transmitted messages from the radio to other devices.
Percent Radio RX – Any DSSS or OFDM messages received by the radio (basically any Standard Wi-Fi data packets from either Cooper Bussmann
or competitor radios).
Percent Busy (CCA or Noise) – Clear Channel Assessment is the detection of any ongoing transmissions or noise,i.e., Microwaves, 2.4Mhz FHSS,
Cordless Phones, RC devices,etc.
By configuring the different chart options we can get a clear idea of the amount of data being transmitted, received and the amount of other noise
that can be heard at the radio.
Configure what is to be logged on each chart, select a time interval and save changes and the charts will then be displayed below the settings.
Click the button again to manually redraw the graphs.
Each graph will display a Percent Channel utilization using the selected criteria and time interval (Seconds, Minutes or Hours).
Example One
Chart one shows the amount of data that is being transmitted over a Wi-Fi link and chart two shows the amount of data being received from all
sources (Wi-Fi and other noise).We can see from this that there is very little outgoing data but you can see a constant stream of data being
received.
Example Two
In the second example we can see that chart one shows the amount of Data being received from Wi-Fi devices and chart two shows the amount
of other noise that is being received. From this you can see that in the last 60 second period there was a 20 second interval with around 60-80
% channel Utilization in this case from a 2.4MHz FHSS telemetry device.
3A1576Rev1.6