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Chapter 2 Overview 2-23
2.4.3 Base Fabric Switch Subsystem
FIGURE 2-4 Base Fabric Switch Subsystem
PICMG 3.0 AdvancedTCA defines 10/100/1000Base-T Ethernet over the Base Fabric,
called “Base” in this guide. The Base is designed to be the control plane for the shelf.
Scaling from 10Mbps to 1000Mbps, the Base interface can accommodate a wide
variety of node boards. The Base interface on the Sun Netra CP3240 switch is based
around three main components: the Broadcom BCM56503, the Broadcom BCM5464x,
and the Freescale MPC8247.