Figure 9-10 hot swap procedure, Table 9-10 signals: rtm shutdown procedure – ADLINK aTCA-N700 User Manual

Page 66

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aTCA-N700 HW Users Guide

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⒮ LMP sends RTM Shutdown to IPMC via PAYLOAD Interface (UART).
① IPMC sends RTM Power OFF to MMC via IPMB-L.
② MMC completes RTM Power OFF operation and sends the completion
message to IPMC.
③ IPMC turns off RTM Power 12V.
④ IPMC sends RTM Disable information to LMP via PAYLOAD Interface
(UART).

Table 9-10 Signals: RTM Shutdown Procedure

Signal name

Descriptions

PAYLOAD Interface

RTM Shutdown Command

- IPMI Message

RTM Disable Indicator

- IPMI Message

IPMB-L

RTM Power OFF

- IPMI Message

RTM Power OFF Done

- IPMI Message

IPMC

RTM Power 12V OFF

0 : Power OFF
1 : Power ON

IPMB-L
MMC

RTM Power OFF

- IPMI Message

RTM Power OFF Done
- IPMI Message

MMC

RTM Internal Power OFF
0 : Power ON
1 : Power OFF


„ Hot

Swap

Figure 9-10 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.

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