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NAT-MCH – User’s Manual
3 Mezzanine Module Options
The NAT-MCH base board is a modular design and can be completed with additional
functionalities by adding Mezzanine PCBs for the tongues 2-4.
Hub Module
PCIe – SRIO – 10GbE
LED Module
Base Module
CLK Module
Figure 10 : NAT-MCH Mezzanine Options
3.1.1 Base Module
The NAT-MCH Base Module carries the main CPU, the IPMI controllers for up to 12 AMC
modules, Power and Cooling Units and backplane devices and the front panel connectors.
The Base module is available in two assembly options:
•
•
Base 6 – for systems with up to 6 AMC modules
Base 12 – for systems with up to 12 AMC modules
The Gen2 base module can optionally be equipped with a GbE Level 2 switch for Fabric A
for up to 12 AMC modules, backplane backup link, and front panel uplink.
•
Option: -GbE
The Gen3 base module is always equipped with the GbE Level 2 switch.
Note: The GbE option is mandatory for redundant operation of the Gen2 MCH.
Version 1.25
© N.A.T. GmbH
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