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Overview: Components and Features
KAT4000 User’s Manual 10007175-02
1-4
Fat Pipe Switch Module:
A high-speed fat pipe switch is provided as a plug-over module. It supports GbE, Serial
Rapid IO (sRIO), PCI Express (PCIe) or 10 Gigabit Ethernet (10 GbE). This switch provides an
interconnect between the AMC sites, the ATCA high-speed fabric ports, the processor, the
PCIe switch and the Ethernet core switch. See “Fat Pipe Switch Module”, Chapter 5, for
information on your module’s configuration.
Rear Transition Module (RTM):
The optional transition modules provide access to 16 or 32 ports when AMCs are installed
on the KAT4000. AMC site ports 12-20 are routed to Zone 3 for Rear Transition Module
(RTM) I/O. 64 AMC signals route to 264 pins in Zone 3 (see “Zone 3” on page 12-4). There
are nine T1/E1 ports per AMC site routed as differential pairs (64 signals). There are sepa-
rate I
2
C connections to the IPMC and the processor, and two ports each from the fat pipe
switch module and the Ethernet Core switch. A serial port and GbE port are provided for
development purposes only.