Owner manual

aTCA-RN720 User's Guide
43
 RTM Hot Swap
Figure 7-10 RTM Hot Swap Procedure
⒮ RTM Hot swap switch open operation triggers a signal to MMC.
① MMC sends RTM Deactivate command to IPMC.
②IPMC forwards RTM Deactivate command to LMP via PAYLOAD Interface (UART).
③LMP completes the operation and sends the completion message to IPMC via PAYLOAD
Interface (UART).
④IPMC sends RTM Power OFF to MMC via IPMB-L.
⑤MMC completes operation and sends the completion message to IPMC.
⑥ IPMC turns off RTM Power 12V.
Table 7-10 Signals: RTM Hot Swap Procedure
Signal name Status
PAYLOAD Interface
IPMC : P5(4),P5(5)
RTM Deactivate Command
- IPMI Message
RTM Deactivate Done 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
MMC : PE(2) Hot swap Indicator
0 : Hot swap Indicator
1 : Normal operation