Viewing The Active Channel History - Cambium Networks PTP 650 Series User Manual

Chapter 7: Operation
Color State and
color
Light grey Unavailable
Red Radar
Detected
Black Region Bar

Viewing the active channel history

Use this procedure to view the active channel history. This is a time series display of the channels
used by the PTP 650 Series over the last 25 hours.
Procedure:
•
Select the Active Channel History hyperlink from the Spectrum Management page.
An example of the active channel history display is shown in
entries on the display this signifies that the wireless link occupied this channel during the
measurement period. The measurement periods are one minute (from zero to sixty minutes) and
twenty minutes from (60 minutes to twenty five hours).
Figure 121 Active channel history screen
Meaning
This channel needs to be monitored for one minute and found
free of radar signal before it can be used for transmitting.
Impulsive Radar Interference has been detected on this channel
and the channel is unavailable for 30 minutes. At the end of the
30 minute period a Channel Availability Check is required to
demonstrate no radar signals remain on this channel before it can
be used for the radio link.
This channel has been barred from use by the local region
regulator
Page
7-29
Spectrum management
Figure 121. Where there are parallel