■
Alarm indication signal (AIS)
■
Loss of frame (LOF)
■
Out of frame (OOF)
■
Failed signal rate (FSR)
Alarms, errors, and
events
■
Layer 2 per-queue and per-channel packet and byte counters
Instrumentation
(counters)
Channelized E1 IQ PIC
■
21
Channelized E1 IQ PIC