User's Manual

RF Power Amplifiers
Andrew Corporation – Power Amplifier Group
Propriety – Use pursuant to Company Instruction
5 of 6
Condition Alarm Type LED color Comments
Initial Power On (RF disabled),
no alarms
- Red
Wait for RF enable command
Normal Operation – RF enabled - Green -
High temp, Major Red
Happen when the MCPA internal detected temperature is
higher than 90C.
The MCPA will shut down
DC power consumption
overload
Major Red
Happen when the DC consumption Power exceed the
maximum available DC power.
The MCPA will shut down
RF overdrive Minor Red
Happen when the RF input power is 6dB higher than the
nominal value.
The MCPA will Shut down
Linearizer Minor Red
Happen when the MCPA linearity performance worsens
than the pre-defined threshold and the condition last
more than 30 seconds.
The MCPA will shut down
Device health and Internal
Voltages out of range
Minor Red
This alarms include many scenarios, but all related with
the device performance degradation So it’s always others
alarms accompany with this alarms
Gain out of range Minor Red
Gain is not in the specified range even with the gain
compensation.
The MCPA will Shut down
DC-DC Converter shut down Major Red The MCPA will Shut down
Table 2 Alarm mapping for PA Module