Description
This d
t and its contents are the property of CASSIDIAN
nd must not be copied or circul
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Power supply function
This function develops the + 28 V and + 12 V direct voltages necessary for the different
circuits of the 3G PA-TRX module, from the + 48 V DC provided by the 3G PA-TRX module
convertor.
The power supply is protected on input by a 7 A fuse.
ANOMALY
ACTION
3G PA-TRX module temperature
• The "PA_TEMP1" alarm is displayed on the control
and configuration web interface.
• The 3G PA-TRX module forces the transmission
level to 33.5 dBm (i.e. 1.5 W on antenna output).
• The "PA_TEMP2" alarm is displayed on the control
and configuration web interface.
• The 3G PA-TRX module switches off.
Temperature of converter > 95
°
C (sensor in the
primary converter)
• The "T1_ALIM" alarm is displayed on the control and
configuration web interface. No action.
• The "T2_ALIM" alarm is displayed on the control and
configuration web interface.
• The convertor stops automatically.
3G PA-TRX module power
• The "PA_TOS" alarm is displayed on the control and
configuration web interface.
• The 3G PA-TRX module forces the transmission
level to 33.5 dBm (i.e. 1.5 W on antenna output).
Table 2.2
ACTIONS CARRIED OUT BY THE 3G PA-TRX MODULE FOLLOWING AN ANOMALY
