Andrew Corporation
Proprietary – Use pursuant to Company Instruction
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The following table is a summary of detailed alarms within the MCPA. The alarms are
mapped to front panel LED behavior, as indicated. Additionally, the alarms are available
at the D-Sub connector at on the front faceplate of the MCPA.
Condition
Alarm
Type
Description LED
Color
Initial Power
On, no
alarms
- -
Red
Gain Control
Minor
Automatic Gain Control
Loop out of specification
Green
Linearization Minor Output
Inter-modulation
Products are out of
specification
Green
High
Temperature
Warning
Minor
High Temperature Warning
Green
DC voltage
regulation
Minor
DC Voltage regulation out
of range Warning
Green
High DC
power
consumption
Minor
High DC Power
Consumption Warning
Green
Partial Main
Amp Failure
Minor
Partial failure within RF
chain, RF output is backed
off
Green
Temperature
Overload
Major Overload
Temperature
threshold reached. Unit will
shutdown
Red
DC/DC
converter
Shutdown
Major
Failure within DC/DC
converter. Unit will
shutdown
Red
DC Power
Consumption
Overload
Major
Overload DC Power
Consumption. Unit will
shutdown
Red
Table 2 Alarm mapping for MCPA
Note 1:
During a Minor Alarm event, RF output is enabled, however, the product may be
out of specification. Minor Alarms are recoverable.
Note 2:
During a Major Alarm event, the unit will shutdown for self-protection. Major
Alarms are non-recoverable and require a Reset or cycling of the power switch
Note 3:
Details as to the specific alarm event are retrieved through the front panel RS-
485 interface.
