D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless
–
Coverage
Date: 17-Jan-16
www.cobham.com/wireless
Doc. No.00060CDUM
Rev. 1.1
Page | 45
6. Enable the filters (up to 12 filters) and set the bandwidth as follows:
•
Checkmark to ON each filter row. The corresponding options will be available.
•
Select the BW (bandwidth) – the valid bandwidths are listed in the Band Info tab.
Figure 5-12. Control and Params Tab – Enabling and Configuring Filters
7. Set the DL parameters for the selected filter:
•
DL Centre Freq - the resulting bandwidth will automatically be graphically displayed
and the corresponding Uplink Center frequency will automatically be allocated.
•
Max Ch Max Power – set to maximum level by default. Modify as needed.
You may want to click Send after each filter definition and view the measured Channel
Power and the Composite Output Power (in the System are at the top of the screen).
•
Max Ch Max Gain – set to maximum by default. Modify according to the
measured/calculated input power and isolation measurements.
Recommended Maximum Gain setting is approximately 16 dB less than the isolation between
the service and donor antennas.
More information on Downlink sub-band parameters
o
DL Measured RSSI
- measured DL signal.
o
DL Measured Ch. Gain
- measured DL Gain (dB) for the selected sub-band.
o
DL Measured Ch. Power
- measured Power (dBm) for the selected sub-band.
8. Set the UL parameters for the selected filter:
(The uplink channels and their values are automatically allocated according to the downlink
channel definitions.)
•
Set Max Ch Max Power – by default, the power is set to maximum level. Modify as
needed.
You may want to click Send after each filter definition and view the measured Channel
Power and the Composite Output Power (in the System are at the top of the screen).
•
Set Max Ch Max Gain - change the default value (maximum) according to the
measured/calculated input power and isolation measurements.
Recommended Maximum Gain setting is approximately 16 dB less than the isolation between
the service and donor antennas.
9. Click Send (top window area option).
Downlink Channels
Uplink Channels
Enable and
configure filters
Graphical display of
configured filters