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If you install an interface option on any blade server, you must install a
hot-plug switch module of the same interface type in switch-module bay 3 to
obtain connection 1 for the interface option. To provide connection 2 for the
interface option, install a switch module of that interface type in
switch-module bay 4. The switch modules in bays 3 and 4 provide connections
to all the interface options in the BladeCenter unit.
Important: The switch modules in switch-module bays 3 and 4 and all blade
server interface options in the BladeCenter unit must use the same interface
type. For example: if you install an Ethernet interface option on a blade server,
the switch modules that you install in switch-module bays 3 and 4 must be
Ethernet, and all other interface options in the BladeCenter unit must also be
Ethernet interface options.
The following table summarizes the application for each switch module.
Bay
Switch-module function
1
Connection 1 (Ethernet Link 1) for all blade servers in the BladeCenter unit
2
Connection 2 (Ethernet Link 2) for all blade servers in the BladeCenter unit
3
Connection 3 (from all blade server interface options in the BladeCenter
unit)
4
Connection 4 (from all blade server interface options in the BladeCenter
unit)
For additional information, see the BladeCenter Type 8677 Installation and User's
Guide on the IBM BladeCenter Documentation CD.
Installation guidelines
Before you begin to install the Ethernet switch module in your BladeCenter
unit, read the following information:
v Become familiar with the safety and handling guidelines specified under
"Safety" on page v and "Handling static-sensitive devices" on page 11, and
read the safety statements in BladeCenter unit option publications.
v The orange color on components and labels in your BladeCenter unit
identifies hot-swap or hot-plug components. You can install or remove
hot-swap modules while the BladeCenter unit is running. For complete
details about installing or removing a hot-swap or hot-plug component, see
the detailed information in this chapter.
v The blue color on components and labels identifies touch points where you
can grip a component, move a latch, and so on.
v You do not need to turn off the BladeCenter unit to install or replace any of
the hot-swap modules on the rear of the BladeCenter unit.
10
IBM BladeCenter 4-Port Gb Ethernet Switch Module: Installation Guide
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