0381 - REPT-E1F:FAC-E1 LOS failure
No signal is being received on the signaling link.
Example
RLGHNCXA21W 00-12-07 12:01:43 EST EAGLE 35.0.0
** 0014.0381 ** E1PORT 1201,2 REPT-E1F:FAC-E1 LOS failure
Alarm Level: Major
Recovery
Check the physical connections.