May 21 09:46:05: %SRP-4-ALARM: SRP2/0 Side A Failure: Layer 1(SF)
May 21 09:46:05: %SRP-4-WRAP_STATE_CHANGE: SRP2/0 wrapped on side B (side A Self Detect Signal Fail)
May 21 09:46:05: %SRP-4-ALARM: SRP2/0 Side A Failure: MAC Keepalive(SF)
May 21 09:46:05: %SONET-4-ALARM: SRP2/0: SLOS Side A
What meaning of the (SF)&(SD).
