Technical product manual - dct1900 – Nortel Networks DCT1900 User Manual
Page 354
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Technical Product Manual - DCT1900
Maintenance, Test and Maintenance Software
2-4
Maint-DCT1900/R8/mw
© 2000-2005
Error detected by
Testing
Operational Fault
Fault class?
Status L(ogged) in
Info Table.
Diagnostics.
Fault still
present?
Status C(lear) in
Fault Table.
Increment fault
counter.
Fault threshold
exceeded?
Maintenance
Fault still
present?
Status S(ervice) in Fault
Table. Message in
Service Table and
General Alarm raised.
Status R(eleased)
in Fault Table.
1) For explanation of symbols, refer
to chapter 6.
Fault/Alarm
Yes
No
Info
No
Yes
Yes
No
Fig. 2-2 Test and
Maintenance Error
Handling
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