Northern Telecom DMS-100 Series Manual page 31

series of transitions from the inservice standby state to the out-of-service
state.
Disabling the primary MSP When the primary MSP is disabled, the
secondary MSP takes over from the primary MSP through an MSP
switchover. This puts the secondary MSP in the inservice state and the
primary MSP in the out-of-service state.
Figure 2-3xxx
Disabling MSPs
Disable Secondary MSP
Primary
MSP
InService
Secondary
MSP
InSvStandby
Shutting Down
Node
Reset
Booting
OutOfService
DMS VoiceMail Trouble-locating and alarm-clearing procedures SPM 02
Maintenance principles
Disable Primary MSP
Primary
MSP
InService
MSP
Switchover
Node
Reset
Booting
OutOfService
2-5
Secondary
MSP
InSvStandby
InService