B-12
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Appendix B      Administrative and Service States
B.3.5    OCHNC, OCHCC, and OCH-Trail Service State Transitions
B.3.5 OCHNC, OCHCC, and OCH-Trail Service State Transitions
Table B-8 lists the ANSI and ETSI OCHNC, OCHCC, and OCH-Trail service state transitions. 
OOS-MA,MT (ANSI)
Locked-enabled,maintenance (ETSI)
Put the port in the IS,AINS 
(ANSI) or 
Unlocked,automaticInService 
(ETSI) administrative state.
OOS-AU,AINS (ANSI)
Unlocked-disabled,automaticInService 
(ETSI)
Alarm/condition is raised. OOS-AUMA,FLT & MT (ANSI)
Locked-disabled,failed & maintenance 
(ETSI)
Table B-7 ONS 15454 OSC Port Service State Transitions (continued)
Current Service State Action Next Service State
Table B-8 ONS 15454 OCHNC Service State Transitions 
Current Service State Action Next Service State
IS-NR (ANSI)
Unlocked-enabled (ETSI)
Put the connection in the 
IS,AINS (ANSI) or 
Unlocked,automaticInService 
(ETSI) administrative state.
OOS-AU,AINS (ANSI)
Unlocked-disabled,automaticInService 
(ETSI)
Alarm/condition is raised. OOS-AU,FLT (ANSI)
Unlocked-disabled,failed (ETSI)
OOS-AU,AINS (ANSI)
Unlocked-disabled,automaticInService 
(ETSI)
Put the connection in the IS 
(ANSI) or Unlocked (ETSI) 
administrative state.
IS-NR (ANSI)
Unlocked-enabled (ETSI)
Alarm/condition is raised. OOS-AU,AINS & FLT (ANSI)
Unlocked-disabled,automaticInService & 
failed (ETSI)
OOS-AU,AINS & FLT (ANSI)
Unlocked-disabled,automaticInService & 
failed (ETSI)
Alarm/condition is cleared. OOS-AU,AINS (ANSI)
Unlocked-disabled,automaticInService 
(ETSI)
Put the port in the IS (ANSI) or 
Unlocked (ETSI) administrative 
state.
OOS-AU,FLT (ANSI)
Unlocked-disabled,failed (ETSI)
Put the port in the OOS,DSBLD 
(ANSI) or Locked,disabled 
(ETSI) administrative state.
OOS-MA,DSBLD (ANSI)
Locked-enabled,disabled (ETSI)
Put the port in the OOS,MT 
(ANSI) or Locked,maintenance 
(ETSI) administrative state.
OOS-AUMA,FLT & MT (ANSI)
Locked-disabled,failed & maintenance 
(ETSI)