0498 - REPT-J1F:FAC-J1 LOF failure
The 7-bit frame alignment signal does not match the pattern the EAGLE is expecting.
Example
1 2 3 4 5 6 7 8
12345678901234567890123456789012345678901234567890123456789012345678901234567890
** 0124.0498 ** J1PORT 1103,2 REPT-J1F:FAC-J1 LOF failure
Alarm Level: Major
Recovery
Contact the far-end office to correct their framing problem.