C-10
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Appendix C      DWDM Administrative and Service States
C.3.4 OCHNC Service State Transitions
C.3.4 OCHNC Service State Transitions
Table C-7 lists the ANSI and ETSI OCHNC service state transitions. 
OOS-AUMA,FLT & MT (ANSI)
Locked-disabled,failed & maintenance 
(ETSI)
Alarm/condition is cleared.  OOS-MA,MT (ANSI)
Locked-enabled,maintenance (ETSI)
Put the port in the IS (ANSI) or 
Unlocked-enabled (ETSI) 
administrative state.
OOS-AU,FLT (ANSI)
Unlocked-disabled,failed (ETSI)
Put the port in the IS,AINS 
(ANSI) or 
Unlocked,automaticInService 
(ETSI) administrative state.
OOS-AU,AINS & FLT (ANSI)
Unlocked-disabled,automaticInService & 
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 a loopback. OOS-AUMA,FLT & LPBK & MT (ANSI)
Locked-disabled,failed & loopback & 
maintenance (ETSI)
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 C-6 ONS 15454 OSC Port Service State Transitions (continued)
Current Service State Action Next Service State
Table C-7 ONS 15454 OCHNC Service State Transitions
Current Service State Action Next Service State
IS-NR (ANSI)
Unlocked-enabled (ETSI)
Put the connection in the 
OOS,MT (ANSI) or 
Locked,maintenance (ETSI) 
administrative state.
OOS-MA,MT (ANSI)
Locked-enabled,maintenance (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)