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Getting Started
Monitoring Status
General Alarm Indicators
Loss No data transitions at the input port.
Pattern Loss The received data pattern is not in synchronization
with the internally generated reference data.
Errors A measured error has occurred. The indicator will
remain lit for 100 ms.
PDH / DSn Alarm Indicators
These are active when a PDH / DSn signal is received
AIS The All Ones AIS signal is detectable in the presence of
a 1 in 10
-3
error rate.
Frame Loss Frame alignment lost or out of alignment condition.
M/Frame Loss Multiframe alignment lost.
Remote Alarm Remote alarm, x-bit or yellow alarm bit is set.
Remote M/
Frame Alarm Remote Multiframe Alarm bit is set.
ATM Alarm Indicators
These are active when an ATM signal is received.
VP Alarm Virtual Path AIS or FERF has been detected.
VC Alarm Virtual Channel AIS or FERF has been detected.
Loss of Cell
Sync Cell Sync Loss has been detected.
Selected Cell
Not RX The selected cell has not been received.Selected cell not
received.
Jitter Alarm Indicators
Jitter Unlock The jitter receiver has lost phase lock. Jitter
measurement is suspended until lock is regained.
Jitter Hits A jitter hit has been detected.