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aTCA-RN720 User's Guide
42
Table 7-8 Signals: RTM Shutdown Procedure
Signal name Status
PAYLOAD Interface
IPMC : P5(4),P5(5)
RTM Shutdown Command
- IPMI Message
RTM Disable Indicator
- IPMI Message
IPMB-L
IPMC : P8(0),P8(1)
RTM Power OFF
- IPMI Message
RTM Power OFF Done
- IPMI Message
IPMC : P1(4) RTM Power 12V OFF
0 : Power OFF
1 : Power ON
IPMB-L
MMC : PD(0),PD(1)
RTM Power OFF
- IPMI Message
RTM Power OFF Done
- IPMI Message
MMC : PC(0) RTM Internal Power OFF
0 : Power ON
1 : Power OFF
 Hot Swap
Deactivate Done
Deactivate CMD
PAYLOD Interface
Figure 7-9 Hot Swap Procedure
⒮Hot swap Latch Open operation triggers a signal to IPMC.
① IPMC sends Deactivate command to PAYLOAD Interface (UART).
② LMP completes the operation and sends the completion message to IPMC via PAYLOAD
Interface (UART).
③ IPMC initiates Power Down sequence and turns off Blade and RTM power.
Table 7-9 Signals: Hot Swap Procedure
Signal name Status
PAYLOAD Interface
P5(4),P5(5)
Deactivate Command
- IPMI Message
Deactivate Done Indicator
- IPMI Message
PE(5)
Hot swap Indicator
0 : Hot swap Indicator
1 : Normal operation