Chapter 1 introduction, About the mxi-3 system, Description and features – National Instruments 8330 Series User Manual

Page 10: Large system size, About the mxi-3 system -1, Description and features -1, Large system size -1, Introduction

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PXI-PCI 8330 Series User Manual

1

Introduction

This chapter describes the PXI-PCI 8330 Series, lists what you need to
get started, and explains how to unpack and set up your hardware. The
four products in this series are the PCI-8330, the PXI-8330, the PCI-8335,
and the PXI-8335. The PXI-PCI 8330 Series incorporates MXI-3
technology. The terms MXI-3, MXI-3 card and MXI-3 system in this
manual refer to both the PCI MXI-3 and PXI MXI-3 cards and systems,
unless otherwise noted.

About the MXI-3 System

Description and Features

MXI-3 is a PCI master/slave system implementing the PCI-PCI bridge
register set. It couples two physically separate buses with either a copper or
fiber-optic data link capable of 1.5 Gbit/s serial data rates. With the MXI-3
system, you can do the following:

Control a PXI/CompactPCI backplane with either a PCI or
PXI/CompactPCI host system

Increase the available number CompactPCI or PXI slots for your
application

Physically separate the measurement or automation system from the
host PC

Combine PCI, CompactPCI, and PXI devices in the same system

Note

Your MXI-3 card will work in any standard CompactPCI chassis adhering to the

PICMG CompactPCI 2.0 R2.1 specification.

Large System Size

You can use MXI-3 to control PXI-PCI devices on up to 255 buses from
any PCI-based system, provided the BIOS supports such a configuration.
You can use either a daisy-chain or a star configuration, with maximum
bus-to-bus distances of 10 meters (copper cable) or 200 meters (fiber-optic
cable).

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