Chapter 5 Alarm Screens
Management Switch Card User’s Guide
156
VDSL_TCA_UAS INFO X The UnAvailable Seconds (<value>)
within 15 minutes for the vtu(c or r) has
reached the threshold (<value>).
MAC_SPOOF Minor X X X A duplicated MAC address is detected in
two DSL subscriber lines.
VDSL_RATE_CHANGE INFO X The transmission rate of the vtu (c or r)
changed from <value> to <value>.
VDSL_TCA_CORRECT Minor *
A
The number of error blocks that can be
corrected within 15 minutes for the vtu(c
or r) has reached the threshold
(<value>).
VDSL_TCA_FAILINIT Minor * The initialization failures (<value>)
within 15 minutes for the vtu(c or r) has
reached the threshold (<value>).
VDSL_TCA_FEC Minor * The Forward Error Correction Seconds
(<value>) within 15 minutes for the
vtu(c or r) has reached the threshold
(<value>).
VDSL_STATUS_CHANGE Minor * The status of the VDSL line has changed.
LINE_LOOPGUARD Minor * A network loop has been detected.
Equipment
DC_POWER_FAIL CRITICAL X The -48VDC power -<index> failed.
VOLTAGE_ERROR CRITICAL X X X The voltage <index> at input <value> is
too low <value>, or high <value>.
TEMPERATURE_ERROR CRITICAL X X X The temperature <index> at input
<value> is too low <value> or high
<value>.
FAN_ERROR CRITICAL X The fan <index> speed <value> is too
low <value> or high <value>
FAN_STOP_LOW_TEMP MINOR X The fan stopped due to low temperature.
HW_MONITOR_FAIL CRITICAL X X A hardware monitor diagnosis test failed.
COLD_START INFO X System cold-start.
WARM_START INFO X System warm-start.
MGMT_ETHER_UP INFO X The management Ethernet interface is
up.
MGMT_ETHER_DOWN MINOR X The management Ethernet interface is
down.
ALARM_IN CRITICAL X External alarm on input <index>.
SPT_TOPOLOGY_CHANG MINOR X A spanning tree topology change was
detected.
NT_FW_UPLOAD_OK INFO X Firmware upload was successful.
NT_FW_UPLOAD_FAIL MAJOR X Firmware upload failed.
LT_PLUG_IN INFO X A line card was inserted into a slot.
LT_PULL_OUT MAJOR X A line card was removed from a slot.
LT_DSL_DEVICE_FAIL CRITICAL X A DSL chipset on an ALC failed.
LT_DSL_DEVICE_RELOAD INFO X A DSL chipset on an ALC re-downloaded
firmware <index>.
Table 60 Alarm Descriptions (continued)
ALARM SEVERITY MSC ALC SLC VLC VOP IMA DESCRIPTION
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