Supermicro AOC-XEH-IN2 Uživatelský manuál stáhnout pdf (Strana 47)

100

101

4-1

Chapter 4

InfiniBand Modules

4-1 Overview

InfiniBand is a switch-based, point-to-point bidirectional serial link network

communications architecture. Supermicro offers three different Infiniband modules:

• 4X DDR (20 Gb/s) switch with 14 internal ports and 10 external CX4 ports

• 4X DDR (20 Gb/s) pass-through with 14 internal ports and 14 external CX4 ports

• 4X QDR (40 Gb/s) switch with 20 internal ports and up to 18 external QSFP ports (3

models).

The main function of the SuperBlade InifiniBand switch modules is to provide

high-speed interconnectivity among the blade modules and with external peripherals.

These are hot-pluggable modules that must be installed in a double-wide or triple-wide

bay at the lower right of the enclosure. Because they occupy one of the bays

alternatively used for the CMM, only one InfiniBand module may normally be installed in

the system. However, the SBM-IBS-Q3616M is an exception to this since it includes an

integrated CMM. See Section 4-4: SBM-IBS-Q3616M 4X QDR InfiniBand Switch

Module on page 4-4 for details.

NOTE: For any blade to access the InfiniBand module, it must first have an

InfiniBand card installed on its mainboard. See Appendix A for details on the

Mezzanine HCA cards that are available for use with the InfiniBand module.

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