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About the Server Switch Module
The following sections appear in this chapter:
• “Introduction” on page 1
• “Topologies” on page 2
• “Management” on page 3
• “LEDs” on page 3
Introduction
The Topspin IB Switch Module for IBM eServer BladeCenter (hereafter “Server Switch Module”) adds
InfiniBand (IB) switching capability to hosts in your IBM BladeCenter chassis. When you add one or
two Server Switch Modules to your BladeCenter chassis and add HCA expansion cards to your
BladeCenter hosts, your hosts can communicate to one another over IB within the chassis. When you
connect the Server Switch Module to an outside IB fabric, BladeCenter hosts can communicate with all
nodes that connect to the IB network. The Server Switch Module appears in Figure 1-1.
Figure 1-1: Topspin Server Switch Module for IBM eServer BladeCenter
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4x Connector
12x Connector
LEDs