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Chapter 4 - Operation and Administration
BreezeACCESS VL System Manual
142
4.2.6.2.8.1 Transmit Power
The Transmit Power submenu includes the following options:
Transmit Power
Show Transmit Power Parameters
4.2.6.2.8.1.1 Transmit Power
In the AU, the Transmit Power parameter defines the fixed transmit power level
and is not part of the ATPC algorithm.
In the SU, the Transmit Power parameter defines the fixed transmit power level
when the ATPC algorithm is disabled. If the ATPC Option is enabled, the value
configured for this parameter serves for setting the initial value to be used by the
ATPC algorithm after either power up or losing synchronization with the AU.
The minimum value for the Transmit Power Parameter is -10 dBm (the ATPC may
reduce the actual transmit power of the SU to lower values). The maximum value
of the Transmit Power Parameter depends on several unit properties and
parameters:
The HW revision of the unit
The Maximum Allowed Tx Power as defined for the applicable Sub-Band.
The Maximum EIRP as defined for the applicable Sub-Band, together with the
value of the Antenna Gain. In certain countries the Maximum EIRP of some
equipment types cannot exceed a certain value. In these cases the Transmit
Power cannot exceed the value of (Maximum EIRP – Antenna Gain).
Maximum Tx Power parameter (in SU only)
For information on how to view the Sub-Bands supported by the unit and the
supported parameters’ values and options, refer to section 4.2.2.4
.
The unit calculates the maximum allowed Transmit Power according to the unit
properties and parameters listed above, and displays the allowed range when a
Transmit Power parameter is selected.
For each modulation level, the unit will use as transmit power the minimum
between this parameter and the maximum Tx power allowed by the HW and the
Country Code for the specific modulation level.
The default Transmit Power is the highest allowed value.