ZyXEL Communications MSC1024G Series User Manual page 160

Chapter 6 Alarm Screens
Table 48 Alarm Descriptions (continued)
ALARM
VDSL_TCA_LOF
VDSL_TCA_LOS
VDSL_TCA_LPR
VDSL_TCA_ES
VDSL_TCA_SES
VDSL_TCA_UAS
MAC_SPOOF
VDSL_RATE_CHANGE
VDSL_TCA_CORRECT
VDSL_TCA_FAILINIT
VDSL_TCA_FEC
VDSL_STATUS_CHANGE
LINE_LOOPGUARD
Equipment
DC_POWER_FAIL
160
SEVERITY MSC ALC SLC VLC VOP IMA DESCRIPTION
INFO
INFO
INFO
INFO
INFO
INFO
Minor X X
INFO
Minor
Minor
Minor
Minor
Minor
CRITICAL X
X The Loss Of Frame seconds
(<value>) within 15 minutes for
the vtu(c or r) has reached the
threshold (<value>).
X The Loss Of Signal seconds
(<value>) within 15 minutes for
the vtu(c or r) has reached the
threshold (<value>).
X The Loss of Power (<value>)
within 15 minutes for the vtu(c or
r) has reached the threshold
(<value>).
X The Error Seconds (<value>)
within 15 minutes for the vtu(c or
r) has reached the threshold
(<value>).
X The Severely Errored Seconds
(<value>) within 15 minutes for
the vtu(c or r) has reached the
threshold (<value>).
X The UnAvailable Seconds
(<value>) within 15 minutes for
the vtu(c or r) has reached the
threshold (<value>).
X A duplicated MAC address is
detected in two DSL subscriber
lines.
X The transmission rate of the vtu
(c or r) changed from <value> to
<value>.
A
* The number of error blocks that
can be corrected within 15
minutes for the vtu(c or r) has
reached the threshold
(<value>).
* The initialization failures
(<value>) within 15 minutes for
the vtu(c or r) has reached the
threshold (<value>).
* The Forward Error Correction
Seconds (<value>) within 15
minutes for the vtu(c or r) has
reached the threshold
(<value>).
* The status of the VDSL line has
changed.
* A network loop has been
detected.
The -48VDC power -<index>
failed.
MSC1000G/1024G/1224G Series User's Guide