Functional Overview; Mxi-Express Cable Options - National Instruments PXI Express PXIe-1073 User Manual

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Chapter 2

Installation and Configuration

Notes

the chassis and modules from damage due to overheating. The chassis will not

attempt another power on until AC power has been cycled.

If the power supply has a failure, the chassis will prevent potential damage by

shutting down automatically. The chassis will not attempt another power on until AC

power has been cycled.

Functional Overview

MXI-Express is based on PCI Express technology. A MXI-Express kit uses a PCI Express

switch and PCI Express-to-PCI bridge to enable control of a PXI or CompactPCI chassis from

a PC with an available PCI Express slot. The PCI Express-to-PCI bridge architecture is

transparent to device drivers, so no additional software is needed to support using PXI and

CompactPCI devices in a chassis connected using MXI-Express.

The link between the PC and the chassis is a x1 cabled PCI Express link. This link is a

dual-simplex communication channel comprised of a low-voltage, differentially driven signal

pair. The link can transmit at a rate of 2.5 Gbps in each direction simultaneously.

MXI-Express is available with cables of various lengths. Table 2-2 shows the cables available

from National Instruments.

Table 2-2. National Instruments MXI-Express Cables

Cable Length (Meters)

1 m

3 m

7 m

2-10 | ni.com

If the system fan fails the chassis will shut down automatically, preventing

MXI-Express copper cable

Description

NI Part Number

779500-01

779500-03

779500-07

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