ADC Release 3.1 User Manual

Page 473

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1152700

Issue 1

February 2001

Section 2 Operations and Maintenance

Page 2-429

© 2000, ADC Telecommunications, Inc.

TAP-100

Page 10 of 23

Table 4-1. Alarm Identifications, continued

ALARM
MESSAGE

SEVERITY

IMPACT

DESCRIPTION

SUGGESTED COURSE OF ACTION

Far End Loss
Of Signal

LOS-FE

Critical

Service
Outage

No input signal is being
provided at the far end.

Check input connections at the
far end and transmitting
equipment into the far end low
speed facility.

Far End
Protection
Line Failure

FarEndProtLi
neFailed

Minor –
currently
an
informati
onal
alert.

Service
Affecting

Far end protection line is
no longer available.

Check fiber facilities and
connections to protect card.
Verify Protection EIMs
(PEIM) are installed. Check
facility status and alarm
reports.

Fifteen
Minute
Interval,
Errored
Seconds
Threshold
Crossing
Alert

EESCMajor1
5minTca

Informati
onal
Alert

Service
Degradation

Exceeded errored seconds
have crossed a user
definable major or minor
threshold crossing alert for
a 15 minute period causing
an alarm report.

Retrieve PM data to determine
problem cards/ports. Check
inputs and signal levels.
Replace problem cards if
necessary. See Section 6 of
this manual for warranty and
return authorization
information.

Housekeepin
g AlarmX

HouseKeepin
gAlarm”X”

Minor

Not Service
Affecting

X = input numbers 1 to 8.
User defined housekeeping
input on port listed has
received an alarm.

Refer to label inside front door
panel for correlating input
type. Troubleshoot
accordingly..

Ingress
Congestion
Threshold
Crossing
Alert

IngressConge
stTca

Informati
onal
Alert

Service
Degradation

Ingress congestion
threshold crossing alert.
Cells congested on the
ingress of reported port
have crossed a user
definable threshold level.

Review traffic contracts and
modify threshold level if
needed. Monitor for future
congestion alarms. Cells
tagged for discard become
susceptible to termination.

Line Code
Violations
Threshold
Crossing
Alert

LCVTca

Informati
onal
Alert

Service
Degradation

Line code violations have
exceeded the user definable
threshold level causing a
Threshold Crossing Alert
(Tca).

Check input from Customer
premise Equipment (CPE),
signal level and pulse mask.

(continued)

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