User's Manual
MCPA Controls and Indicators G3L-850-160 MCPA
2-2 044-05236 Rev A
Table 2-1 MCPA Controls and Indicators
Controls and Indicators Description
Toggle Switch, Three Position
RESET (Up) Resets MCPA. LED indicates boot mode (red), then turns solid
green
ON (Center) Enables MCPA. LED indicates solid green
OFF (Down) Disables MCPA. LED Indicates solid red
LED, Status
Green (solid) RF enabled, OFF/ON/RESET switch set to On (center position),
normal operation, no alarm
Green (blinking) Standby
Yellow (solid) Minor Alarm - APC function enabled
Yellow (blinking) VSWR Warning
Red (solid) Major alarm - Critical fault present.
Red/Yellow (alternating) Downloading. Do not interrupt power.
Table 2-2 MCPA Alarm States
Alarm Definition Alarm type/LED Auto-Recovery
Output
Overpower
Disables MCPA immediately if
output power is >+2 dB over rated
output RF power.
Major
(Red)
Input power decreases below APC
threshold (-11.2 dBm)
Automatic
Power Control
(APC)
Enabled if output power is > 52.67
dBm.*
Minor
(Yellow)
MCPA auto-recovers when output
power drops below rated maximum
output power.
Input
Overdrive
Disables MCPA immediately if input
RF drive is >-5 dBm
Major
(Red)
Input power decreases below APC
threshold (-11.2 dBm)
High
Temperature
Disables MCPA if sensor
temperature is > +95° C.
Major
(Red)
MCPA auto-recovers when sensor
temperature drops to less than +70
°C.