Motorola PTP 400 Series - Manual (Page 42)

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5.3.2 RTTT Avoidance and Other Channel Use Restrictions
Where regulatory restrictions apply to certain channels these channels are barred. The user
should note that the number of channels barred is dependant on the channel raster selected.
For example see the effect of the UK RTTT channel restrictions in Figure 11. Barred channels
are indicated by a “No Entry” symbols displayed on the “Spectrum Management” web page,
see section 8.3.10 “Spectrum Management Control - With Operational Restrictions ”.
5732 5738 5744 5750 5756 5762 5768 5774 5780 5786 5792 5798 5804 5810 5816 5822 5828 5834 5840
5734 5740 5746 5752 5758 5764 5770 5776 5782 5788 5794 5800 5806 5812 5818 5824 5830 5836 5842
5736 5742 5748 5754 5760 5766 5772 5778 5784 5790 5796 5802 5808 5814 5820 5826 5832 5838 5844
Default
UK RTTT Restricted Channels (Shaded)
5732 MHz
5734 MHz
5736 MHz
Lower Centre
Frequency
Band Edge
5850 MHz
Band Edge
5725 MHz
Figure 11 - 5.8 GHz UK RTTT Channel Avoidance
5.4 4.9 GHz Specific Frequency Planning Considerations
The current 4.9 GHz variant does not require the operator to adjust the lower center
frequency to achieve full band coverage. The channels are set as shown in
4945 4950 4955 4960 4965 4970 4975 4980 4985
Band Edge
4940 MHz
Band Edge
4990 MHz
Available Frequency Settings (MHz)
Figure 12 - 4.9 GHz Spectrum Settings
5.4.1 Raster Considerations
The 4.9 GHz variant operates on a fixed 5 MHz channel raster that is set to odd center
frequencies. See Figure 12.
5.4.2 Fixed Frequency Operation
When operating in ‘Fixed Frequency’ mode (see section 8.3.5.3 “Wireless Configuration”) the
operator can set the operating frequency independently in both directions to any of the center
frequencies available in i-DFS mode.