HP ProLiant BL495c HP BladeSystem c7000 Enclosure technologies,4th edition - Page 7

Controlling components The BladeSystem Onboard Administrator uses embedded management interfaces to provide detailed information and health status for all bays in the enclosure (Figure 4). The BladeSystem Onboard Administrator also reports firmware versions for most components in the enclosure and can be used to update those components. Figure 4. Management communications between the BladeSystem Onboard Administrator and other components in an HP BladeSystem c7000 Enclosure c7000 internal management interfaces The BladeSystem Onboard Administrator monitors and communicates with several hardware interfaces to each bay in the c7000 enclosure. The management hardware interfaces include unique presence pins, Inter-Integrated Circuit (I2C), serial, and Ethernet connections. These management interface connections are completely isolated from the server blade connections to interconnect modules. c7000 external management interfaces Each c7000 enclosure has several external management interfaces connected to the BladeSystem Onboard Administrator as shown in Figure 4. The primary external management interface is the management port for each BladeSystem Onboard Administrator, which is an RJ-45 jack providing Ethernet communications not only to each BladeSystem Onboard Administrator, but also to every device or interconnect bay with a management processor. This includes ProLiant Onboard Administrator (iLO 2) communication for the server blades and any interconnect module using the c-Class embedded Ethernet management network, such as Virtual Connect Manager. For redundant BladeSystem Onboard Administrators, both BladeSystem Onboard Administrator management ports 7