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Chapter 3. Planning 77
In 16-way configurations, the Ethernet port on the Remote Supervisor
Adapter in one system is connected to the Ethernet port of the adapter in the
other system. This connection is used during system startup and shutdown.
We recommend either of the following connections:
– Connecting the two using a crossover cable, as shown in Figure 3-6 on
page 76.
– Connecting the two over an isolated LAN segment using a switch or hub.
Connecting over a LAN segment will enable you to maintain Ethernet
connectivity directly to the Remote Supervisor Adapter for out-of-band
management.
3.2.2 Remote Supervisor Adapter connectivity
The x440 features an integrated Remote Supervisor Adapter (RSA). For detailed
information on functionality and configuration of the RSA refer to section 9.5
“Remote Supervisor Adapter” in the redbook
Implementing IBM Director
Management Solutions
, SG24-6188. This document talks about the Remote
Supervisor Adapter as a separate adapter; however the functionality and location
of ports is consistent with the integrated version of the RSA in the x440.
Figure 3-7 Remote Supervisor Adapter Connectors
The following RSA connections need to be considered when cabling the x440
(see Figure 3-7):
External power supply connector. This connector allows the RSA to be
connected to its own independent power source. This external power supply
is not included with the x440 and will need to be ordered as an option (order a
ThinkPad 56W AC Adapter with a suitable power cord for your
country/region).
Tip: We recommend that you assign static IP addresses to the Remote
Supervisor Adapters on both servers.
External power
supply
Error LED
(amber)
Power LED
(green)
ASM interconnect
(RS-485) port
10/100
Ethernet port
Management
COM port