EtherHaul Operation, Administration and Maintenance Manual
Page 141
than 5 sec
(for more than 5
seconds),
restoring factory
defaults
factory defaults restore
Cold start: power
failure reset
System power up
after system reset
due to power or
internal failure
1) Restoring the power
2) Reset caused by power
disruption or internal
power failure
Power restored, no corrective
actions needed.
If repeated and no indication
for power disconnection, might
indicate system failre and ODU
should be replaced.
Cold start: hardware
watchdog reset
System power up
internal HW
watchdog reset,
indication system
fault
System failure
Replace ODU
Cold start: the
hardware watchdog
has not been
activated in time
Internal HW
watchdog failure,
indicating system
fault
System failure
Replace ODU
Cold start: software
watchdog reset
System power up
internal SW
watchdog reset,
indication system
fault
System failure
Replace ODU
Link down
Link down
(operational
down) on one of
the Ethernet
interfaces
Line interfaces
(eth1,eth2,eth3,eth4):
1) Ethernet cable
disconnected or not
connected properly.
2) Ethernet interface
disabled (admin down).
3) Port settings mismatch
4) Interface HW fault.
Radio interface (eth0):
1) Low receive signal (due
to antenna mis-alignment
or rain fading).
2) Mismatch in rf
configuration between
sides or wrong
configuration.
3) Interference.
4) HW fault.
Line interfaces
(eth1,eth2,eth3,eth4):
1) Verify cable terminated and
connected properly.
2) Verify port configuration,
including auto-neg and
speed/duplex.
3) Replace ODU.
Radio interface (eth0):
1) Improve antenna alignment
and verify clear line of sight.
2) Verify RF configuration.
3) Change channel to verify no
interference.
4) Replace ODU.
Link Up
Link up
(operational up
on one of the
Ethernet
Link down state cleared
and interface is up
(operational).
Link restored, no corrective
actions needed.
