_ DEC-O-LOG for DEREP _ DOL, DEREP-R001, Ethernet Repeater FEB 89 PROBLEM: DEREP will not rest properly on a quick power fail (less than 300 ms). Unit will go into self-test and never return to normal operation. FIELD EFFECTIVITY: Upgrade all DEREP-AA, AB, RC, RD's at or below Revision B1 exhibiting problem symptoms as noted in the Problem/Symptom Section. This FCO implements ECO: 54-15586-MK005. QUICK CHECK: Verify the presence of an eight pin IC at location E127. Part Number 19-24835-01. FCO KIT ORDERING: EQ-01521-01 FCO, Parts FA-04821-01 FCO only