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Monitoring SDSL Cell Alarms
336 Avidia System Configuration and Management User Manual
The following table describes the SDSL cell alarm history information that displays when you
type the display alarm command.
Alarm Type Description
Port The slot and port of the card for which the alarm
information is displayed.
LOSS Loss of signal seconds are seconds during which the
SDSL cell line is incapable of transmitting or receiving
data and all data is lost.
LOCD Loss of cell delineation seconds are seconds in which
some cells transmitted during that second were lost
.
SLOCD Severe loss of cell delineation seconds are seconds in
which the total number of LOCD events in that second
exceed 50% of the total bandwidth available during
that second. During a severe loss of cell delineation
second most of the cells transmitted during that
second are lost.
SNR SNR margin is a measure of signal quality indicating
how much margin can be dropped before the number
of bit errors exceeds the ratio of 1x10-7 errored bits
per bits transmitted
.
Hardware Status The status of the hardware.
Last Changed The last time the status of an alarm changed.