How to clear fault alarms and other command of Serial Port

->show faulty or show /SP/faultmgnt
->set /SYS/MB/CMP0/BOB0/CH0/D0 clear_fault_action=true
  Are you sure you want to clear /SYS/MB/CMP0/BOB0/CH0/D0 (y/n)? Y
->start /SP/faultmgmt/shell
  Are you sure you want to start /SP/faultmgmt/shell (y/n)? Y
faultmgmtsp> help
faultmgmtsp> fmadm -h
faultmgmtsp> fmadm faulty
faultmgmtsp> fmdump -h
faultmgmtsp> fmdump -V
faultmgmtsp> fmdump -e

Configuring Post
-> set /SYS keyswitch_state=normal
Set 'keyswitch_state' to 'Normal'

-> stop /SYS
Are you sure you want to stop /SYS (y/n)? Y
Stopping /SYS

-> start /SYS
Are you sure you want to start /SYS (y/n)? Y
Starting /SYS

->start /HOST/console
To enable ASR
within ILOM
-> set /HOST/diag mode=normal
-> set /HOST/diag level=max
-> set /HOST/diag trigger=power-on-reset
To enable ASR
within OBP
ok setenv auto-boot true
ok setenv auto-boot-on-error? true
ok reset-all
To view the effect of ASR:
-> show /SYS/components component_state