ADC Release 3.1 User Manual

Page 479

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1152700

Issue 1

February 2001

Section 2 Operations and Maintenance

Page 2-435

© 2000, ADC Telecommunications, Inc.

TAP-100

Page 16 of 23

Table 4-1. Alarm Identifications, continued

ALARM
MESSAGE

SEVERITY

IMPACT

DESCRIPTION

SUGGESTED COURSE OF ACTION

Remote
Failure
Indication
Line

RFI-L

Major

Service
affecting.

SONET far end has
detected an AIS-L
condition.

See above.

Remote
Failure
Indication
Path

RFI-P

Major –
currently an
information
al alert.

Service
affecting

Far end has detected an
AIS-P condition.

See above..

Secondary
Derived
DS1
Source
Failed

Major

Not service
affecting

The reference source for
the secondary clock has
failed.

Check source (external, optical
in, or other AIC card) for
alarms and correct as
necessary.

Severely
Errored
Frame
Seconds
Threshold
Crossing
Alert

SEFS-tca

Information
al Alert

Service
Degradation

DSX Severely errored
frame seconds threshold
crossing alert.

The incoming signal frame has
an error rate of 1.6E-5 or worse
for a period of time less than ten
seconds. An SES can also be
caused by a physical failure
such as LOS for less than ten
seconds

.

Examine the physical

circuit to determine

if there are

any impairments.

Severely
Errored
Frame
Seconds
Section
Threshold
Crossing
Alert

SEFS-Stca

Information
al Alert

Service
Degradation

Severely errored frame
seconds threshold crossing
alert for section layer.

The incoming signal frame has
an error rate of 1.6E-5 or worse
for a period of time less than ten
seconds. An SES can also be
caused by a physical failure
such as LOS for less than ten
seconds

.

Examine the physical

circuit to determine

if there are

any impairments.

Severely
Errored
Seconds
Line Far
End
Threshold
Crossing
Alert

SES-
LFETca

Information
al Alert

Service
Degradation

Severely errored seconds
threshold crossing alert for
line layer at far end.

The far end line has an error
rate of 1.6E-5 or worse for a
period of time less than ten
seconds. An SES can also be
caused by a physical failure
such as LOS for less than ten
seconds. Examine the physical
circuit to determine

if there are

any impairments.

(continued)

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