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FX LinkLoss (FXLL)
FX LinkLoss is a link integrity monitoring feature that forwards fiber link faults to the
RJ-45 DATA port to indicate that a fiber link fault has occurred. FX LinkLoss can be
enabled in iView².
Link Fault Pass-Through (
LFPT
)
Link Fault Pass-Through (
LFPT
) is a troubleshooting feature that passes a link fault from
the Ethernet port on one module through to the Ethernet port on the other module.
LFPT
can be enabled via iView² or through the console port.
The link fault is passed through the media conversion and is observed at each end. It
acts just as it would if the end devices were directly connected without a fiber link.
E1 Ports Setup
Alarm Level
E1 lines are defined as LOST when no signal is received as defined by ITU G.775
specifications
LOS
, and are considered in error with a
BER
of 10^-6. If either of
these conditions lasts for more than 2.5 seconds, an ALARM state is declared. This
error condition must be absent for 10 seconds for the alarm state to clear.
The starting and ending event of all alarm conditions will generate an
SNMP
TRAP
when the unit is installed in a managed chassis and set to the IS state. During initial
installation or normal maintenance, the end-user can place the unit in the
OOS
(Out-
Of-Service) state to inhibit unwanted
SNMP
TRAP alarms.