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1152700• Issue 1 • February 2001 • Section 2 Operations and Maintenance
Page 2-430
© 2000, ADC Telecommunications, Inc.
TAP-100
Page 11 of 23
Table 4-1. Alarm Identifications, continued
ALARM
MESSAGE
SEVERITY IMPACT DESCRIPTION SUGGESTED COURSE OF ACTION
Line
Errored
Seconds
Threshold
Crossing
Alert
LESTca
Information
al Alert
Service
Degradation
A one second interval in
the transmission from the
far end originating NE has
had an error at the line
layer causing an Errored
Second Line (ESL). ESL
errors have exceeded the
user definable threshold
level.
Check input from Customer
premise Equipment (CPE)
(signal level and pulse mask).
Login
Failure
Threshold
Crossing
Alert
FailedLogin
Tca
Information
al Alert
Not Service
Affecting.
A user has entered the
wrong information to gain
access in excess of user
defined thresholds.
Administrator should check
user name and password or
verify personnel authorization
to access system.
Loss of
Cell
Delineation
LCD
Critical /
Major on
RIC
Service
Outage
except for
RIC cards.
System unable to determine
or delineate between
incoming cells.
Reset SC cards at shelf.
Replace if necessary. See
Section 6 of this manual for
warranty and return
authorization information.
Loss of
Frame
LOF
Critical
Major on
RIC
Service
Outage
except for
RIC cards.
T3 frame cannot be
obtained or synced to.
Retrieve facility configuration
and check framing. Verify it
matches CPE transmission.
Loss of
Pointer
Path
LOP-P
Critical
Major on
RIC
Service
Outage
except for
RIC cards.
Card cannot locate the
payload due to a loss of
pointer at the path layer.
Retrieve SONET facility
configuration and check the
clock source.
Loss of
Signal
LOS
Critical
Major on
RIC
Service
Outage
except for
RIC cards.
No input signal is being
provided.
Check input connections and
transmitting equipment.
Loss of
Sync
Minor Service
Affecting
Applies to all SONET cards.
Mode
Mismatch
ModeMism
atch
Minor Installation
Error
Protection mode received
in K1 and K2 bytes does
not match configured
mode. SONET interfaces
only.
Check each facility and verify
the protection modes match
(i.e., unidirectional versus bi-
directional or 1:N versus 1+1).
(continued)