
P
P
E
E
S
S
1
1
9
9
0
0
0
0
G
G
i
i
G
G
S
S
M
M
R
R
e
e
p
p
e
e
a
a
t
t
e
e
r
r
PES1900NR Operations Manual
Chapter 9. Configuring the Repeater — 137
Reverse PA Tab
The Reverse PA tab sets the alarm severity for the following types of Reverse Power Amplifier alarms
(see Figure 122):
Reverse PA Alarm
Indicates a failure in the power amplifier. The PA is inoperative, and the repeater is off the air.
Reverse PA Thermal Alarm
Indicates that the system temperature has exceeded the alarm threshold. The repeater has shut
down the Power Amplifier. When the temperature is again within subsystem tolerances, the repeater
automatically reactivates the PA.
Reverse PA External Shutdown Alarm
Indicates that the repeater has shut down the
Power Amplifier, and has activated one RPA
(Reverse Power Amplifier) alarm.
Recommend disabling this alarm.
To redefine alarm severity for the
Reverse PA
subsystem, using this tab:
1. Click the down-arrow next to an
Alarm
field, to select a new alarm severity.
2. Click
the
Apply
or
OK
button, to
change the alarm severity.
1.
The Apply button changes the
alarm severity, and keeps the
Channel Properties
screen
open.
2. The
OK
button changes the
alarm severity, and closes the
Channel Properties
screen.
Figure 122 Channel Properties Screen,
Reverse PA Tab