Test Results
304 FTB-700G/800 Series
Alarms/Errors
E3
Alarms
Note: Only AIS is available when the framing is set to Unframed.
AIS (Alarm Indication Signal)
RX: An unframed all-ones signal is received.
LOF (Loss Of Frame)
RX: Four consecutive incorrect frame alignment signals is received.
RAI (Remote Alarm Indication)
RX: Bit 11 of a framed E3 is set to “1”.
Errors
FAS (Frame Alignment Signal)
RX: Bits 1 to 10 of the first frame differ from 1111010000.
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