ADC Release 3.1 User Manual

Page 469

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1152700

Issue 1

February 2001

Section 2 Operations and Maintenance

Page 2-425

© 2000, ADC Telecommunications, Inc.

TAP-100

Page 6 of 23

Table 4-1. Alarm Identifications, continued

ALARM
MESSAGE

SEVERITY

IMPACT

DESCRIPTION

SUGGESTED COURSE OF ACTION

Code
Violation
Threshold
Crossing
Alert

CV-Stca

Information
al Alert

Service
Degradation

Coding violation threshold
crossing alert for section
layer. A bit of information
has changed in the
transmission from the
previous STE causing
Section Code Violations
(CVS) that have exceeded
the user definable threshold
level. Causes a CVL at the
line terminating equipment.

Check input levels and signal
sources. Increase threshold
settings if necessary. Check
local requirements for proper
levels.

Configurat
ion Failure

Configurati
onFailure

Minor –
currently an
information
al alert

Installation
Eror

A request to configure a
card or port has failed.

Check configuration status,
verify physical equipment is
available and try again.

Control
Slip
Seconds
Threshold
Crossing
Alert

CSSTca

Information
al Alert

Service
Degradation

DSX1 alarm: The timing
Release is changing too
much.

Check timing source signal.

CRC
Threshold
Crossing
Alert

CRCErrorT
ca

Information
al Alert

Service
Degradation

Cyclic Redundancy Check
has errors that have
exceeded user definable
levels.

T1 frames may be bad at the
far end or near end. Check
signal inputs and line levels.

Degraded
Minutes
Threshold
Crossing
Alert

DegradMin
uteTca

Information
al Alert

Service
Degradation

The input signal power
level has dropped over a
user definable amount of
time.

Check power level at input,
verify cleanliness of fiber
connections, adjust attenuator
if equipped, and check transmit
end output power level and
replace card if necessary.

(continued)

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