Alarm and status conditions reporting
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Overview
Metropolis
®
DMXplore continuously monitors its internal condition
and incoming signals according to the state of the tributaries and
ports.
Fault detection
If a port or tributary is in the IS (in service) state, Metropolis
®
DMXplore reports failures on the port/tributary and activates the
appropriate indicators when a failure occurs.
Table 4-1
Incoming signal failure conditions
Incoming Signals
Monitored/Detected Failures
DS1
1
inc. (from DSX) DS1 AIS
inc. (from DSX) DS1 LOF
inc. (from DSX) DS1 LOS
inc. (from DSX) DS1 sig. failed (BER)
DS3
2
inc. (from DSX) DS3 AIS
inc. (from DSX) DS3 LOF
inc. (from DSX) DS3 LOS
inc. (from DSX) DS3 sig. failed (BER)
inc. (from fiber) DS3 AIS
inc. (from fiber) DS3 LOF
inc. DS3 CBit Mismatch
inc. DS3 sig. out of frequency defect
10/100BASE-TX
Ethernet
inc. FELAN LOS
inc. FELAN ANM
inc. VCG failed
inc. VCG LFD
inc. VCG LOA
OC-3
OC-12
inc. OCN line AIS
inc. OCN LOF
inc. OCN LOS
inc. OCN RFI-L
inc. OCN sig. degrade (BER)
inc. OCN sig. failed (BER)
Maintenance overview
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365-372-333 R2.1
Issue 4, June 2005
Lucent Technologies
4 - 7