Chapter 7: Operation
Spectrum Management
Page 7-30
Note
When configured to use the Spectrum Expert page, the PTP 670 is capable of
automatically detecting whether the browser accessing the unit supports the required
features. If it does not, the Spectrum Management page will be returned instead of the
spectrum Expert page. Internet Explorer 8 is not compatible with the Spectrum Expert
page.
Spectrum Expert page
Menu option: System > Spectrum Expert
This page is used to view and configure spectrum usage.
The Spectrum Expert page displays the following plots:
•
The Local Receive Spectrum, and
•
The Peer Receive Spectrum.
The Spectrum Expert page has two display modes:
•
Standard Display mode – The ‘Standard’ Display mode is the mode which displays only the
operational subband channels (shown in
. In this mode, the Extended Spectrum
Scanning attribute could be Enabled but the Extended display box could be un-checked.
It has further two types of plot:
o
Standard Display mode without realtime line
o
Standard Display mode with realtime line
•
Extended Display mode – The ‘Extended’ Display Mode shows the entire DSO Full Band
range of channels along with highlighted operational channels (shown in
. In
this mode, the Extended Spectrum Scanning attribute is Enabled.
This mode also has two types of plot:
o
Extended Display mode without realtime line
o
Extended Display mode with realtime line
The Extended display mode selection checkbox appears when the Extended Spectrum
Scanning attribute is set to Enabled.
See
Interpreting the receive spectrum plot
for details on the how to interpret
these plots.
Caution
Do not leave the ODU with Extended Spectrum Scanning enabled during normal
operation because this adversely affects the DSO response in the operating band.
