Alarm Descriptions - ZyXEL Communications MSC1000G User Manual

Chapter 5 Alarm Screens

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
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
DSL
LINE_UP
LINE_DOWN
LINE_LDM_START
LINE_LDM_END
LINE_PM_L2
LINE_PM_L0
LINE_FAIL
ADSL_TCA_LOL
ADSL_TCA_LOF
ADSL_TCA_LOS
ADSL_TCA_LPR
ADSL_TCA_ES
ADSL_RATE_CHANGE
154
SEVERITY MSC ALC SLC VLC VOP IMA DESCRIPTION
INFO X
MINOR X
INFO X
INFO X
INFO X
INFO X
MAJOR X
INFO X
INFO X
INFO X
INFO X
INFO X
INFO X
X The line is up.
X The line is down.
The line entered loop diagnosis mode.
The loop diagnostics were OK and the
line left loop diagnosis mode.
The line went into power down L2 mode.
The line went into power down L0 mode.
X The line failed.
The Loss Of Link seconds (<value>)
within 15 minutes for the atu(c or r) has
reached the threshold (<value>).
The Loss Of Frame seconds (<value>)
within 15 minutes for the atu(c or r) has
reached the threshold (<value>).
The Loss Of Signal seconds (<value>)
within 15 minutes for the atu(c or r) has
reached the threshold (<value>).
The Loss of Power (<value>) of 15-
minute interval of the atu(c or r) reaches
threshold (<value>)
The Error Seconds (<value>) within 15
minutes for the atu(c or r) has reached
the threshold (<value>).
The transmission rate of the atu(c or r)
changed from <value> to <value>.
IMA Application
Management Switch Card User's Guide