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1152700• Issue 1 • February 2001 • Section 2 Operations and Maintenance
Page 2-423
© 2000, ADC Telecommunications, Inc.
TAP-100
Page 4 of 23
Table 4-1. Alarm Identifications, continued
ALARM
MESSAGE
SEVERITY IMPACT DESCRIPTION SUGGESTED COURSE OF ACTION
C-bit
Coding
Violations
Threshold
Crossing
Alert
CCVTca
Information
al Alert
Service
Degradation
T3 C-bit coding violations
threshold crossing alert.
System is most likely
experiencing a line condition
deterioration. Check signal
level and pulse mask at input.
Also verify LBO setting at
CPE end.
C-bit
Errored
Seconds
Threshold
Crossing
Alert
CESTca
Information
al Alert
Service
Degradation
T3 C-bit errored seconds
threshold crossing alert.
System is most likely
experiencing a line condition
deterioration. Check signal
level and pulse mask at input.
Also verify LBO setting at
CPE end.
C-bit
Severely
Errored
Seconds
Threshold
Crossing
Alert
CSESTca
Information
al Alert
Service
Degradation
T3 C-bit severely errored
seconds threshold crossing
alert. Port in alarm has
received excessive errored
seconds beyond user
specified threshold.
System is most likely
experiencing a line condition
deterioration. Check signal
level and pulse mask at input.
Also verify LBO setting at
CPE end.
Cellbus
Parity
Threshold
Crossing
Alert
CellbusPari
tyTca
Major –
currently an
information
al alert.
Not service
affecting.
Parity errors on the cell bus
have exceeded the user
definable threshold level.
Very likely the backplane bus
is bad. Shelf may need to be
replaced.
Channel
Mismatch
ChannelMis
match
Minor Installation
Error
Channel number mismatch
in the SONET K1 and K2
byte. Informs user that the
facilities fibers are not
installed properly.
Verify working and protect
fibers are not crossed, and/or
proper connectivity to EPS
shelves.
(continued)