Datasheet

Table Of Contents
B-11
Cisco ONS 15454 SDH Reference Manual, R7.0
October 2008
Appendix B Administrative and Service States
B.3.2 Port and Cross-Connect Service State Transitions
Locked-enabled,loopback & maintenance Release the loopback.
Note While in Locked-enabled,
loopback & maintenance
service state, both Cisco
Transport Controller
(CTC) and Transaction
Language One (TL1)
allow a cross-connect to
be deleted, which also
removes the loopback.
This applies only to the
cross-connect, not the
ports.
Locked-enabled,maintenance
Alarm/condition is raised. Locked-disabled,failed & loopback &
maintenance
Locked-disabled,failed & loopback &
maintenance & outOfGroup for a VCAT
member
Locked-enabled,loopback & maintenance
& outOfGroup
Alarm/condition is raised. Locked-disabled,failed & loopback &
maintenance & outOfGroup
Locked-enabled,maintenance Put the port or cross-connect in
the Unlocked administrative state.
Unlocked-enabled
Put the port or cross-connect in
the Unlocked,automaticInService
administrative state.
Unlocked-disabled,automaticInService
Put the port or cross-connect in
the Locked,disabled.
Locked-enabled,disabled
Locked-enabled,disabled & outOfGroup for a
VCAT cross-connect
Put the port or cross-connect in a
loopback.
Locked-enabled,loopback & maintenance
Put the VCAT cross-connect in the
Locked,outOfGroup
administrative state.
Locked-enabled,maintenance & outOfGroup
Alarm/condition is raised. Locked-disabled,failed & maintenance
Locked-disabled,failed & maintenance &
outOfGroup for a VCAT member
Locked-enabled,maintenance &
outOfGroup
Alarm/condition is raised. Locked-disabled,failed & maintenance &
outOfGroup
1. For a VCAT member, an Unlocked-enabled to Unlocked-disabled,automaticInService transition will not occur with a Loss of Multiframe (LOM) or
Sequence Mismatch (SQM) condition on the member.
Table B-5 ONS 15454 SDH Port and Cross-Connect Service State Transitions (continued)
Current Service State Action Next Service State