ADC AVIDIA SWD4573I1 - Manual (Page 579)

Chapter 28: Monitoring System Alarms and Status
Avidia System Configuration and Management User Manual 553
The SDSL Cell Alarm Status window displays the alarm status for the current 15-minute data
collection interval. The current alarm status displays for both the Network (upstream) and
Customer (downstream) traffic.
M
ONITORING
IDSL A
LARM
S
TATUS
The IDSL Alarm Status window displays a summary of the alarm data for a specified IDSL line
and port.
1 Do one of the following:
• In the Site Map Navigation window, click IDSL Alarm Status .
• In the Tree Navigation window, click Alarm , IDSL Alarm Status .
The IDSL Alarm Status - Slot/Port Selection window displays.
Information Description
Card Description
Slot
Port The slot, port and description of the card for which
the alarm information is displayed.
Loss of Signal Seconds (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.
Loss of Cell Delineation (LOCD) Loss of cell delineation seconds are seconds in
which some cells transmitted during that second
were lost
.
Severe Loss of Cell Delineation (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
.
Last Time Alarm Status Changed The last time the status of an alarm changed.