MCPA Controls and Indicators
G3L-1929-160-001 MCPA
2-2
044-05305 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 -4dBm
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 >-1 dBm
Major
(Red)
Input power decreases below -4dBm
High
Temperature
Disables MCPA if sensor
temperature is > +95° C.
Major
(Red)
MCPA auto-recovers when sensor
temperature drops to less than +85
°C.
High Reverse
Power
Disables MCPA if the reverse RF
output power is higher than 49 dBm
for a duration of 1-minute.
Minor (Yellow)
during 1-
minute
validation
period then
changes to
Major (Red)
Reverse power must be < 48.3 dBm.