Cambium PTP 670 Series, User Manual

Page: 530 / 594

Chapter 7: Operation Spectrum Management
Page 7-43
Color State and
color Meaning
Dark grey Barred The system administrator has barred this channel from use.
Because the low signal levels encountered when a unit is
powered up in a laboratory environment prior to installation
(which makes the grey of the channel bar difficult to see). An
additional red “lock” symbol is used to indicate that a channel is
barred.
Light grey Unavailable This channel needs to be monitored for one minute and found
free of radar signal before it can be used for transmitting.
Red Radar
Detected 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.
Black Region Bar This channel has been barred from use by the local region
regulator
Barring channels
Procedure:
•
Log into the Master unit.
•
Select menu option System > Spectrum Expert. The Spectrum Expert page is displayed.
•
Select one channel by clicking on the graphical display. If required, select additional
channels using control clicking, or select a range of channels using shift clicking. The
example in
Figure 229 shows three channels selected at 4965 MHz, 4970 MHz and 4975
MHz.
•
Click on the Bar Channel(s) button. A confirmation dialogue is displayed as shown in Figure
230 . Click OK.
•
Barred channels are indicated by the lock symbol as shown in Figure 231 on page 7-45 .
To activate previously barred channels, select the barred channels and click on Activate
Channel(s).
Note
The Bar Channel(s) and Activate Channel(s) buttons are available on the Master unit,
but not on the Slave unit.