0383 - REPT-E1F:FAC-E1 AIS detected
The far end is transmitting an alarm indication signal (AIS) due to an excessive bit error rate, loss of signal, or loss of frame.
Example
RLGHNCXA21W 00-12-07 12:01:43 EST EAGLE 35.0.0
** 0014.0383 ** E1PORT 1201,2 REPT-E1F:FAC-E1 AIS detected
Alarm Level: Major
Recovery
Contact the far-end office to determine the cause of the AIS and to correct the problem.