Chapter 5 Alarm Screens
Management Switch Card User’s Guide
154
5.5 Alarm Descriptions
This table describes the alarms on the system. You can view the settings using the “alarm
tablelist” CLI command.
• “ALC” is the ADSL Line Card.
• “SLC” is the SHDSL Line Card.
• “VLC” is the VDSL Line Card.
• “VOP” is the VOP Line Card.
• “IMA” is the IMA Line Card.
• “TCA” Stands for Threshold Crossed Alarm and indicates that an alarm profile threshold was exceeded.
• “TDM” Stands for Time-Division Multiplex and indicates an E1 physical alarm. See IMA Application
on page 44.
• An “X” means that the alarm applies to the specific card.
• Atu-c or Vtu-c refers to the IES or the downstream channel (for traffic going from the IES to the
subscriber).
• Atu-r or Vtu-r refers to subscriber or the upstream channel (for traffic coming from the
subscriber to the IES).
• The ALC1348G-51C is a Combo Card which has both ALC and VOP alarms.
Table 60 Alarm Descriptions
ALARM SEVERITY MSC ALC SLC VLC VOP IMA DESCRIPTION
DSL
LINE_UP INFO X X The line is up.
LINE_DOWN MINOR X X The line is down.
LINE_LDM_START INFO X The line entered loop diagnosis mode.
LINE_LDM_END INFO X The loop diagnostics were OK and the
line left loop diagnosis mode.
LINE_PM_L2 INFO X The line went into power down L2 mode.
LINE_PM_L0 INFO X The line went into power down L0 mode.
LINE_FAIL MAJOR X X The line failed.
ADSL_TCA_LOL INFO X The Loss Of Link seconds (<value>)
within 15 minutes for the atu(c or r) has
reached the threshold (<value>).
ADSL_TCA_LOF INFO X The Loss Of Frame seconds (<value>)
within 15 minutes for the atu(c or r) has
reached the threshold (<value>).
ADSL_TCA_LOS INFO X The Loss Of Signal seconds (<value>)
within 15 minutes for the atu(c or r) has
reached the threshold (<value>).
ADSL_TCA_LPR INFO X The Loss of Power (<value>) of 15-
minute interval of the atu(c or r) reaches
threshold (<value>)
ADSL_TCA_ES INFO X The Error Seconds (<value>) within 15
minutes for the atu(c or r) has reached
the threshold (<value>).
ADSL_RATE_CHANGE INFO X The transmission rate of the atu(c or r)
changed from <value> to <value>.
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