Kontron AM4220 - Manual (Page 25)

10 AM4220
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2.6 RS232 Management Interface
The RS232 interface of the Octeon is connected to the front panel RJ45 connector and to the AMC port 15
(RTM connection). If a terminal is connected to the front port, the RTM connection is disabled.
External connection is established with a straight through Ethernet cable and a RJ45 (female) to SubD
(female) adapter if required. The adapter is described in the Appendix A.
2.7 IPMI
The AM4220 supports an intelligent hardware management system based on the Intelligent Platform
Management Interface (IPMI) Specification 1.5. It provides the ability to manage the power, cooling and
interconnect needs of intelligent devices, to monitor events and to log events to a central repository.
The MMC (“Module Management Controller”) controls all hotswap and E-Keying processes required by ATCA.
It activates the board power supply and enables communication with the AMC carrier and the RTM. The MMC
manages the Ethernet switch E-Keying and the baseboard ATCA feature. The controller is connected to the
IPMC of the ATCA carrier board via IPMB-L bus.
All voltages and currents on the base board are monitored by the MMC, including the management and AMC
supply. Three temperature sensors on the board make sure that thermal conditions are met:
• Temp CPU (Cavium Internal Sensor)
• Temp Dual GE (i82571EB Ethernet Controller Internal Sensor)
• Temp Outlet
For more information on the thermal design and management, consult the “Thermal Consideration” section.
2.8 Power Supply
• Payload input voltage range from 10V to 14V
• Management input voltage range from 3.3V +/- 0.3V
• PoL converter 5.0V, 3.3V early, 3.3V, 1.8V, VTT, 1.2V, 1.1V, 1.0V
• Power up/down sequence controlled by CPLD
Signal Path:
The serial port is available through the AMC faceplate.