Channelized T1 IQ PIC
Alarms, errors, and events
Instrumentation (counters)
■Alarm indication signal (AIS)
■Remote defect indication (RDI)
■Loss of frame (LOF)
■Loss of signal (LOS)
■Bipolar violation (BPV)
■Excessive zero (EXZ)
■Line code violation (LCV)
■Error seconds (ES)
■Severely errored seconds (SES)
■Severely errored frames (SEF)
■Bit error event (BEE)
■Layer 2
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