Owner manual

aTCA-RN720 User's Guide
41
Shutdown triggered by LMP
Power OFF
IPMC
LMP
UART#1
Power
Sequence
P5(5)
Figure 7-7 Shutdown Procedure
LMP sends Shutdown Command to IPMC via PAYLOAD Interface (UART).
IPMC initiates Power Down sequence to turn off Blade and RTM power.
Table 7-7 Signals: Shutdown Procedure
Signal name Status
PAYLOAD Interface
P5(4),P5(5)
Shutdown Command
- IPMI Message
RTM Shutdown triggered by LMP
Figure 7-8 RTM Shutdown Procedure
LMP sends RTM Shutdown to IPMC via PAYLOAD Interface (UART).
IPMC sends RTM Power OFF to MMC via IPMB-L.
MMC completes RTM Power OFF operation and sends the completion message to IPMC.
IPMC turns off RTM Power 12V.
IPMC sends RTM Disable information to LMP via PAYLOAD Interface (UART).