Chapter 24: Alarms List
PoE Injector LEDs
phn-3963_004v000
Page 24-458
Alarm ID Type
Description
Severity
Probable Cause
Corrective Action
Notes
1722
Alarm
RFU loopback is active
Major
User has activated RFU
loopback.
Disable RFU loopback.
1723
Event
RFU mode changed to
Combined
Indeterminate
1724
Event
RFU mode changed to
Diversity
Indeterminate
1725
Event
RFU mode changed to
Main
Indeterminate
1726
Alarm
RFU power supply failure
Major
At least one of the RFU's
power supply voltages is too
low.
Replace RFU.
1727
Alarm
RFU RX level out of range
Warning
RSL is very low, link is down.
1.
Check antenna alignment
& link planning.
2.
Check link settings (TX
power, TX frequency).
3.
Check antenna
connections.
4.
Replace local/remote RFU.
1728
Alarm
RFU RX level path1 out of
range
Warning
1.
Improper installation.
2.
Fading event.
3.
Defective RFU.
1.
Check that the fault is not
due to rain/multi-path
fading or lack of LOS.
2.
Check link settings (TX
power, TX frequency).
3.
Check antenna alignment.
4.
Check antenna
connections.
5.
Replace local/remote RFU.