Operation and Maintenance Manual

MultiHaul™ Installation, Operation and Maintenance Manual
Page 89
5.3 Alarms and Events
System alarms can be found on the Main Page, including:
• Current Alarms – list of currently active alarms and date+time raised.
• History Log – System alarms and events history log
Event Name
Description
Probable Cause
Corrective Actions
Reset Cause: "First
Time Power On"
System power up
after power
connection
1) Restoring the power
2) Reset caused by power
disruption
Power restored; no corrective
actions needed
Reset Cause:
"Software Reset"
System power up
after user-
initiated software
reset
1) User action: reset
system
2) User action: rollback
timeout expired
3) User action: SW
upgrade
Power restored after user
action; no corrective actions
needed
Reset Cause:
"Restore to Factory
Settings"
System power up
after user pressed
the reset button
(for more than 10
seconds),
restoring factory
defaults
1) User action: reset
button pressed for more
than 10 seconds causing
factory defaults restore
Power restored after user
action; no corrective actions
needed
Reset Cause: "HW
Watchdog Reset"
Internal HW
watchdog failure,
indicating system
fault
System failure
1) Deadlock in SW/HW solved
by workaround. no corrective
actions needed
2) Replace ODU (if persistent).
Link down
Link down
(operational
down) on one of
the line or radio
interfaces
Line interfaces (eth1/2/3):
1) Ethernet cable
disconnected or not
connected properly.
2) Ethernet interface
disabled (admin down).
3) Port settings mismatch
4) Interface HW fault.
Radio interfaces (eth-tu,
eth-bu):
1) No Line of Sight or rain
fading.
2) Mismatch in rf
configuration between
sides or wrong
configuration.
Line interfaces (eth1/2/3):
1) Verify cable terminated and
connected properly.
2) Verify port configuration,
including auto-neg and
speed/duplex.
3) Replace unit.
Radio interfaces (eth-tu, eth-
bu):
1) Verify antenna alignment and
verify clear line of sight.
2) Verify RF configuration.
3) Change channel to verify no
interference.
4) Replace ODU.