National Instruments Network Card 8330 Series User Manual

PXI  
PXI-PCI 8330 Series  
User Manual  
MXI-3 Multi-System Extension Interface for PCI,  
CompactPCI, and PXI Bus Computers  
PXI-PCI 8330 Series User Manual  
July 2000 Edition  
Part Number 370251A-01  
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Important Information  
Warranty  
The PXI-PCI 8330 Series hardware is warranted against defects in materials and workmanship for a period of one year from the  
date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace  
equipment that proves to be defective during the warranty period. This warranty includes parts and labor.  
The media on which you receive National Instruments software are warranted not to fail to execute programming instructions,  
due to defects in materials and workmanship, for a period of 90 days from date of shipment, as evidenced by receipts or other  
documentation. National Instruments will, at its option, repair or replace software media that do not execute programming  
instructions if National Instruments receives notice of such defects during the warranty period. National Instruments does not  
warrant that the operation of the software shall be uninterrupted or error free.  
A Return Material Authorization (RMA) number must be obtained from the factory and clearly marked on the outside of  
the package before any equipment will be accepted for warranty work. National Instruments will pay the shipping costs of  
returning to the owner parts which are covered by warranty.  
National Instruments believes that the information in this document is accurate. The document has been carefully reviewed  
for technical accuracy. In the event that technical or typographical errors exist, National Instruments reserves the right to  
make changes to subsequent editions of this document without prior notice to holders of this edition. The reader should consult  
National Instruments if errors are suspected. In no event shall National Instruments be liable for any damages arising out of  
or related to this document or the information contained in it.  
EXCEPT AS SPECIFIED HEREIN, NATIONAL INSTRUMENTS MAKES NO WARRANTIES, EXPRESS OR IMPLIED, AND SPECIFICALLY DISCLAIMS ANY  
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR  
NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER. NATIONAL  
INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA, PROFITS, USE OF PRODUCTS, OR INCIDENTAL OR  
CONSEQUENTIAL DAMAGES, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. This limitation of the liability of National Instruments will  
apply regardless of the form of action, whether in contract or tort, including negligence. Any action against National Instruments  
must be brought within one year after the cause of action accrues. National Instruments shall not be liable for any delay in  
performance due to causes beyond its reasonable control. The warranty provided herein does not cover damages, defects,  
malfunctions, or service failures caused by owners failure to follow the National Instruments installation, operation, or  
maintenance instructions; owners modification of the product; owners abuse, misuse, or negligent acts; and power failure or  
surges, fire, flood, accident, actions of third parties, or other events outside reasonable control.  
Copyright  
Under the copyright laws, this publication may not be reproduced or transmitted in any form, electronic or mechanical, including  
photocopying, recording, storing in an information retrieval system, or translating, in whole or in part, without the prior written  
consent of National Instruments Corporation.  
Trademarks  
MITE, National Instruments, ni.com, and PXIare trademarks of National Instruments Corporation.  
Product and company names mentioned herein are trademarks or trade names of their respective companies.  
WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS  
(1) NATIONAL INSTRUMENTS PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL  
OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL  
COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE  
EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN.  
(2) IN ANY APPLICATION, INCLUDING THE ABOVE, RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS  
CAN BE IMPAIRED BY ADVERSE FACTORS, INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL  
POWER SUPPLY, COMPUTER HARDWARE MALFUNCTIONS, COMPUTER OPERATING SYSTEM SOFTWARE  
FITNESS, FITNESS OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION,  
INSTALLATION ERRORS, SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS, MALFUNCTIONS OR  
FAILURES OF ELECTRONIC MONITORING OR CONTROL DEVICES, TRANSIENT FAILURES OF ELECTRONIC  
SYSTEMS (HARDWARE AND/OR SOFTWARE), UNANTICIPATED USES OR MISUSES, OR ERRORS ON THE PART OF  
THE USER OR APPLICATIONS DESIGNER (ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER  
COLLECTIVELY TERMED SYSTEM FAILURES). ANY APPLICATION WHERE A SYSTEM FAILURE WOULD  
CREATE A RISK OF HARM TO PROPERTY OR PERSONS (INCLUDING THE RISK OF BODILY INJURY AND DEATH)  
SHOULD NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM  
FAILURE. TO AVOID DAMAGE, INJURY, OR DEATH, THE USER OR APPLICATION DESIGNER MUST TAKE  
REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES, INCLUDING BUT NOT LIMITED TO  
BACK-UP OR SHUT DOWN MECHANISMS. BECAUSE EACH END-USER SYSTEM IS CUSTOMIZED AND DIFFERS  
FROM NATIONAL INSTRUMENTS' TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER  
MAY USE NATIONAL INSTRUMENTS PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT  
EVALUATED OR CONTEMPLATED BY NATIONAL INSTRUMENTS, THE USER OR APPLICATION DESIGNER IS  
ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF NATIONAL  
INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A  
SYSTEM OR APPLICATION, INCLUDING, WITHOUT LIMITATION, THE APPROPRIATE DESIGN, PROCESS AND  
SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION.  
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Compliance  
FCC/Canada Radio Frequency Interference Compliance*  
Determining FCC Class  
The Federal Communications Commission (FCC) has rules to protect wireless communications from interference.  
The FCC places digital electronics into two classes. These classes are known as Class A (for use in industrial-  
commercial locations only) or Class B (for use in residential or commercial locations). Depending on where it is  
operated, this product could be subject to restrictions in the FCC rules. (In Canada, the Department of  
Communications (DOC), of Industry Canada, regulates wireless interference in much the same way.)  
Digital electronics emit weak signals during normal operation that can affect radio, television, or other wireless  
products. By examining the product you purchased, you can determine the FCC Class and therefore which of the two  
FCC/DOC Warnings apply in the following sections. (Some products may not be labeled at all for FCC; if so, the  
reader should then assume these are Class A devices.)  
FCC Class A products only display a simple warning statement of one paragraph in length regarding interference and  
undesired operation. Most of our products are FCC Class A. The FCC rules have restrictions regarding the locations  
where FCC Class A products can be operated.  
FCC Class B products display either a FCC ID code, starting with the letters EXN,  
or the FCC Class B compliance mark that appears as shown here on the right.  
Consult the FCC web site http://www.fcc.gov for more information.  
FCC/DOC Warnings  
This equipment generates and uses radio frequency energy and, if not installed and used in strict accordance with the  
instructions in this manual and the CE Mark Declaration of Conformity**, may cause interference to radio and  
television reception. Classification requirements are the same for the Federal Communications Commission (FCC)  
and the Canadian Department of Communications (DOC).  
Changes or modifications not expressly approved by National Instruments could void the users authority to operate  
the equipment under the FCC Rules.  
Class A  
Federal Communications Commission  
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15  
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the  
equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency  
energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to  
radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in  
which case the user will be required to correct the interference at his own expense.  
Canadian Department of Communications  
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.  
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du  
Canada.  
Class B  
Federal Communications Commission  
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15  
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a  
residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed  
and used in accordance with the instructions, may cause harmful interference to radio communications. However,  
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful  
interference to radio or television reception, which can be determined by turning the equipment off and on, the user  
is encouraged to try to correct the interference by one or more of the following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
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Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
Canadian Department of Communications  
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.  
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du  
Canada.  
European Union - Compliance to EEC Directives  
Readers in the EU/EEC/EEA must refer to the Manufacturer's Declaration of Conformity (DoC) for information**  
pertaining to the CE Mark compliance scheme. The Manufacturer includes a DoC for most every hardware product  
except for those bought for OEMs, if also available from an original manufacturer that also markets in the EU, or  
where compliance is not required as for electrically benign apparatus or cables.  
*
Certain exemptions may apply in the USA, see FCC Rules §15.103 Exempted devices, and §15.105(c).  
Also available in sections of CFR 47.  
** The CE Mark Declaration of Conformity will contain important supplementary information and instructions  
for the user or installer.  
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About This Manual  
Chapter 1  
Description and Features.................................................................................1-1  
Large System Size.............................................................................1-1  
High Performance .............................................................................1-2  
Chapter 2  
Software Installation......................................................................................................2-1  
Installing a PCI MXI-3 Card...........................................................................2-2  
Chapter 3  
National Instruments MXI-3 ASIC...................................................3-4  
Serial Transmitter..............................................................................3-5  
High Speed Serial Data Connector (HSSDC) Receptacle ................3-5  
High Speed Serial Data Connector (HSSDC) Cable ........................3-5  
MXI-3 Cable Options......................................................................................3-5  
Appendix A  
Specifications  
© National Instruments Corporation  
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PXI-PCI 8330 Series User Manual  
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Contents  
Appendix B  
Technical Support Resources  
Glossary  
Index  
Figures  
Figure 2-1.  
Figure 2-2.  
Installing the PCI MXI-3 ...................................................................... 2-3  
PXI MXI-3 Before Installation as Secondary....................................... 2-5  
Figure 3-2.  
Figure 3-3.  
Basic MXI-3 Configurations................................................................. 3-3  
Additional MXI-3 Configurations ........................................................ 3-4  
Tables  
Table 3-1.  
Table 3-2.  
National Instruments MXI-3 Cables..................................................... 3-5  
Molex and Methode MXI-3 Fiber-Optic Cables .................................. 3-6  
PXI-PCI 8330 Series User Manual  
viii  
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About This Manual  
This manual describes the features, functions, and operation of the  
PXI-PCI 8330 Series. 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, which couples two physically separate  
PCI, CompactPCI, or PXI buses with a data link capable of 1.5 Gbit/s serial  
data rates.  
Conventions  
The following conventions appear in this manual:  
This icon denotes a note, which alerts you to important information.  
This icon denotes a caution, which advises you of precautions to take to  
avoid injury, data loss, or a system crash.  
This icon denotes a warning, which advises you of precautions to take to  
avoid being electrically shocked.  
bold  
Bold text denotes items that you must select or click on in the software,  
such as menu items and dialog box options. Bold text also denotes  
parameter names.  
italic  
Italic text denotes variables, emphasis, a cross reference, or an introduction  
to a key concept. This font also denotes text that is a placeholder for a word  
or value that you must supply.  
monospace  
Text in this font denotes text or characters that you should enter from the  
keyboard, sections of code, programming examples, and syntax examples.  
This font is also used for the proper names of disk drives, paths, directories,  
programs, subprograms, subroutines, device names, functions, operations,  
variables, filenames and extensions, and code excerpts.  
monospace italic  
Italic text in this font denotes text that is a placeholder for a word or value  
that you must supply.  
MXI-3 card  
MXI-3 card refers to both the PCI MXI-3 and PXI MXI-3 cards, unless  
otherwise noted.  
© National Instruments Corporation  
ix  
PXI-PCI 8330 Series User Manual  
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About This Manual  
Related Documentation  
The following documents contain information that you might find helpful  
as you read this manual:  
Set Up Your MXI-3 System  
Your computer or chassis documentation  
PXI Specification, revision 1.0  
PCI Specification, revision 2.2  
PCI-PCI Bridge Architecture Specification, revision 1.0  
PICMG CompactPCI 2.0 R2.1 specification  
PXI chassis and documentation (PXI bus systems only)  
PXI-PCI 8330 Series User Manual  
x
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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).  
© National Instruments Corporation  
1-1  
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Chapter 1  
Introduction  
Software Transparency  
Because the MXI-3 system is a PCI-PCI bridge, all devices on the system  
appear as local devices in a single PCI system. You do not need to rewrite  
your device drivers for operation on a MXI-3 system.  
High Performance  
MXI-3 supports write posting and read prefetching to enhance  
performance. MXI-3 buffers and retimes the signals between the buses,  
maintaining the tight timing and high performance PCI requires.  
What You Need to Get Started  
To set up and use your MXI-3 system, you need the following:  
Two PXI MXI-3 cards or a PXI MXI-3 card and a PCI MXI-3 card  
Copper or fiber-optic MXI-3 cable  
DocumentationSet Up Your MXI-3 System and Getting Started with  
Your MXI-3 System  
Primary busA computer with a PCI backplane, or a PXI embedded  
controller in a PXI/CompactPCI chassis  
Secondary busA PXI/CompactPCI chassis  
SoftwareMXI-3 Software Installation Diskette for  
Windows 2000/NT4/9x  
Unpacking  
Your MXI-3 cards are shipped in antistatic packages to prevent  
electrostatic damage to the devices. To avoid such damage in handling the  
device, take the following precautions:  
1. Ground yourself with a grounding strap or by holding a grounded  
object.  
2. Before removing the device from the package, touch the antistatic  
package to a metal part of your computer chassis.  
Caution Never touch the exposed pins of connectors. Doing so may damage the device.  
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2
Installation  
This chapter explains how to install the MXI-3 software and hardware.  
Software Installation  
Your MXI-3 kit includes a setup program for Microsoft Windows  
operating systems. The setup program works in the same manner for  
Windows 2000/NT4/9x. Users of other operating systems can ignore this  
section.  
Note The software included for Microsoft Windows is provided so that the performance  
of National Instruments PXI modules is optimized across a PCI-PCI bridge. The software  
does not affect PXI or CompactPCI modules from other vendors.  
The setup program is an interactive application that installs the MXI-3  
software and configures your system for use with the MXI-3 card. Follow  
these steps to perform the installation.  
Note You can quit the setup program at any time by choosing the Cancel option.  
1. Insert the disk labeled MXI-3 Software for Windows 2000/NT4/9x.  
2. Select Run from the Start menu and type the following text (where X  
is the drive letter of your floppy drive):  
X:\setup.exe  
3. Press <Enter>.  
4. Click on the Next button at the Welcome screen to start the  
installation. You must accept the license agreement to enable  
installation.  
5. The setup program now copies the necessary files to your hard drive.  
When the installation process is complete, you must reboot your  
computer for the changes to take effect.  
6. Review the information in the README.TXT file for the most  
up-to-date information on your MXI-3 interface.  
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Chapter 2  
Installation  
Hardware Installation  
The following are general instructions for installing the PCI MXI-3 and  
PXI MXI-3 cards. Consult your computer user manual or technical  
reference manual for specific instructions and warnings.  
Installing a PCI MXI-3 Card  
1. Turn off your computer, but leave it plugged in while installing the  
PCI-MXI-3 card. The power cord grounds the chassis and protects it  
from electrical damage while you install the module.  
Warning To protect both yourself and the computer from electrical hazards, your  
computer should remain off until you finish installing the PCI MXI-3 device.  
2. Remove the top cover or access port to the PCI bus.  
3. Select any available PCI expansion slot.  
4. Locate the metal bracket that covers the cut-out in the back panel of the  
computer for the slot you have selected. Remove and save the  
bracket-retaining screw and the bracket cover.  
5. Touch the metal part of the power supply case inside the computer to  
discharge any static electricity that might be on your clothes or body.  
6. Line up the PCI MXI-3 with the slot on the back panel. Slowly push  
down on the top of the PCI MXI-3 until its card-edge connector is  
resting on the expansion slot receptacle. Using slow, evenly distributed  
pressure, press the PCI MXI-3 straight down until it seats in the  
expansion slot.  
7. Reinstall the bracket-retaining screw to secure the PCI MXI-3 to the  
back panel rail.  
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Chapter 2  
Installation  
8. Replace the computer cover.  
4
3
2
1
1
2
PCI Bus Slot  
Cut-Outs  
3
4
PCI Bus Card-Edge Connector  
PCI MXI-3 Board  
Figure 2-1. Installing the PCI MXI-3  
Installing a PXI MXI-3 Card  
Follow these steps to install the PXI MXI-3 in your PXI or CompactPCI  
chassis.  
1. Turn off your PXI or CompactPCI chassis, but leave it plugged in while  
installing the PXI MXI-3 card. The power cord grounds the chassis and  
protects it from electrical damage while you install the module.  
2. Select a slot for the PXI MXI-3 card:  
For use in secondary PXI busChoose the controller slot (Slot 1)  
of your chassis. This slot must support bus arbitration and bus  
mastering. The secondary PXI MXI-3 can operate only in such  
a slot.  
For use in primary PXI busChoose any unused PXI or  
CompactPCI 5 V peripheral slot except Slot 1. (Slot 1 is reserved  
for the system controller.)  
Warning To protect both yourself and the chassis from electrical hazards, leave the chassis  
off until you finish installing the PXI MXI-3 card.  
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Chapter 2  
Installation  
3. Remove or open any doors or covers blocking access to the slot in  
which you intend to install the PXI MXI 3.  
4. Touch the metal part of the case to discharge any static electricity  
that might be on your clothes or body.  
5. Make sure the injector/ejector handle is in its downward position.  
Align the PXI MXI-3 card with the card guides on the top and  
bottom of the system controller slot.  
Caution Do not raise the injector/ejector handle as you insert the PXI MXI-3 card. It will  
not insert properly unless the handle is in its downward position so that it does not interfere  
with the injector rail on the mainframe, as shown in Figure 2-2.  
6. Hold the handle as you slowly slide the module into the chassis  
until the handle catches on the injector/ejector rail.  
7. Raise the injector/ejector handle until the module firmly seats into  
the backplane receptacle connectors. The front panel of the  
PXI MXI-3 card should be even with the front panel of the chassis.  
8. Tighten the bracket-retaining screws on the top and bottom of the  
front panel to secure the PXI MXI-3 card to the chassis.  
9. Replace or close any doors or covers to the chassis.  
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Chapter 2  
Installation  
Figure 2-2 shows a PXI MXI-3 card just before installation in the system  
controller slot of a National Instruments PXI-1000 mainframe.  
PXI/CompactPCI Chassis  
ON  
STANDBY  
PXI MXI-3  
1
2
3
4
5
6
7
PXI/CompactPCI Slot 1  
8
Ejector Handle  
in Down Position  
Figure 2-2. PXI MXI-3 Before Installation as Secondary  
Cabling  
1. Connect the appropriate serial cable to both primary and secondary  
MXI-3 cards. If you are using a fiber-optic cable, be sure to remove the  
protective caps from the connectors.  
Caution Do not remove the cable after the system is powered on. Doing so may crash  
the system.  
2. Turn on the system containing your secondary MXI-3 card.  
3. Turn on the system containing your primary MXI-3 card.  
For more information on cables, see the MXI-3 Cable Options section in  
Chapter 3, Hardware Overview.  
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3
Hardware Overview  
This chapter presents an overview of the hardware functions of your MXI-3  
system, and explains the operation of each functional unit.  
Functional Overview  
The MXI-3 system is a PCI-PCI bridge that needs no software for normal  
operation. When the desktop PC or the CompactPCI/PXI controller  
powers on, the system BIOS scans its local PCI bus for devices. When it  
finds the primary interface of the MXI-3 card, it initiates configuration  
cycles and searches for PCI devices on the secondary side.  
Figure 3-1 shows the basic architecture of the MXI-3 system. The MXI-3  
card interfaces to the PCI bus with the National Instruments MXI-3 ASIC.  
The ASIC converts PCI transactions into a 20-bit wide parallel bus.  
A parallel to serial converter transmits the 20-bit data as serial data at  
1.5 Gbits/s. If you are using copper cable, the system sends the serial data  
through the cable as a differential electrical signal. If you are using  
fiber-optic cable, the system converts the serial data to light using a  
VCSEL module.  
On the other side of the system, the MXI-3 card receives the data, using  
high-speed photodetectors to convert light signals back to digital data in the  
case where a fiber-optic MXI-3 is used. A serial to parallel converter then  
converts the digital serial data to the original 20-bit wide packets of data for  
the MXI-3 ASIC. MXI-3 then recreates the PCI transaction with  
appropriate modifications.  
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Chapter 3  
Hardware Overview  
Parallel-  
to-Serial  
Converter  
Serial  
Data  
Transmitter  
Port  
C P  
P
C
P X  
PCI/PXI  
Interface  
Port  
Copper/  
Fiber-Optic  
Transceiver  
C
I
I
I
B
u
s
Serial-  
to-Parallel  
Converter  
Receiver  
Port  
Serial  
Data  
Figure 3-1. MXI-3 Block Diagram  
MXI-3 Chassis Expansion  
By plugging a PXI MXI-3 module into any slot other than Slot 1 of a  
PXI/CompactPCI chassis and a PXI MXI-3 module into Slot 1 of an  
additional PXI/CompactPCI chassis and connecting them with a cable,  
one PXI/CompactPCI chassis can be expanded to two. The PXI MXI-3  
modules detect the slot in which they reside and automatically configure  
themselves as the primary or secondary bus interface.  
Figure 3-2 shows the most basic MXI-3 configurations and Figure 3-3  
shows other possible configurations.  
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Chapter 3  
Hardware Overview  
PC to PXI/CompactPCI  
PXI/CompactPCI to PXI/CompactPCI  
Figure 3-2. Basic MXI-3 Configurations  
Because MXI-3 complies with the standard PCI-to-PCI bridging  
specification, it can take advantage of a variety of other extension  
configurations. Figure 3-3 shows how MXI-3 can be used to daisy-chain  
multiple systems in row, all under the control of the primary system, in this  
case a PC.  
© National Instruments Corporation  
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Chapter 3  
Hardware Overview  
Star configurations are also possible using MXI-3 interfaces in the primary  
system to fine tune performance.  
Daisy-Chain Configuration  
Star Configuration  
Figure 3-3. Additional MXI-3 Configurations  
Functional Unit Descriptions  
National Instruments MXI-3 ASIC  
The MXI-3 ASIC, which contains most of the logic in the two-board  
system, is a PCI master/slave device using the PCI-PCI bridge register set.  
MXI-3 uses data queues to store data for transmission, and also uses data  
queues to store received data waiting for access to the target PCI bus.  
MXI-3 ASIC transmits data to the parallel-to-serial converters, and  
receives data from the serial-to-parallel converters.  
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Chapter 3  
Hardware Overview  
Serial Transmitter  
The serial transmitter is a parallel-to-serial data converter. The  
parallel-to-serial converter serializes the 20-bit wide parallel data  
from the MXI-3 ASIC and sends it to the transceiver.  
Serial Receiver  
The serial receiver is a serial-to-parallel data converter. The  
serial-to-parallel converter deserializes the data from the receiver and  
supplies the 20-bit wide parallel data to the MXI-3 ASIC.  
High Speed Serial Data Connector (HSSDC)  
Receptacle  
The HSSDC 8-position right-angle receptacle assembly interfaces the  
electrical data to the copper serial cable.  
High Speed Serial Data Connector (HSSDC) Cable  
The HSSDC 8-position cable assembly is the copper medium through  
which the serial data is transferred.  
MXI-3 Cable Options  
Cables are available for both the copper and fiber-optic versions of MXI-3.  
Copper links are the least expensive interconnect and can span up to  
10 meters between systems. Fiber optic links offer connections  
between systems separated by up to 200 meters without repeaters.  
National Instruments offers 2 meter, 5 meter, and 10 meter copper  
cables and a 30 meter fiber optic cable as described in Table 3-1.  
Table 3-1. National Instruments MXI-3 Cables  
Cable Length (meters)  
Description  
2 m  
5 m  
MXI-3 copper cable  
MXI-3 fiber optic cable  
MXI-3 copper cable  
MXI-3 fiber optic cable  
10 m  
30 m  
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Chapter 3  
Hardware Overview  
If you require lengths greater than 30 meters in fiber optic cable, contact  
Molex Inc. or Methode Electronics, Inc., cable vendors for National  
Instruments. The fiber-optic cables offered by Molex are multimode,  
62.5/125 µm cables with a duplex, zipcord, 3.0 × 6.5 mm, OFNR cable  
construction. The connector style is SC Duplex with a multimode, ceramic  
ferrule. A standard PC finish is used on both ends.  
Table 3-2. Molex and Methode MXI-3 Fiber-Optic Cables  
Cable Length (meters)  
Molex Part Number  
Methode Part Number  
C4-D45-060m-auni  
C4-D45-xxxm-auni  
60 m  
MXBBA-FGA-FGA-M060-A000-A000  
MXBBA-FGA-FGA-Mxxx-A000-A000  
xxx m  
Contact Molex through its Web site at http://www.molex.com, or at  
Molex Incorporated, 2222 Wellington Court, Lisle IL 60532-1682, USA,  
1-800-786-6539.  
Contact Methode Electronics, Inc. through its Web site at  
http://www.methode.com, or at Methode Electronics Inc., 7444 West  
Wilson Avenue, Chicago IL 60706, USA, 1-800-323-6858, 708-867-9600,  
FAX 708-867-9130.  
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A
Specifications  
This appendix lists the system specifications for PCI MXI-3 and  
PXI MXI-3 cards. These specifications are typical at 25 °C, unless  
otherwise stated.  
Physical  
Dimensions  
PCI .................................................. 10.7 by 17.5 cm (4.2 by 6.9 in.)  
PXI.................................................. 10.0 by 16.0 cm (3.9 by 6.3 in.)  
Maximum cable lengths  
Copper............................................. 10 m  
Fiber-optic....................................... 200 m  
Environment  
Operating temperature............................ 0 to 50 °C  
Storage temperature ............................... 20 to 70 °C  
Operating relative humidity ................... 10 to 90%, noncondensing  
Storage relative humidity....................... 5 to 95%, noncondensing  
Emissions ............................................... EN 55011:1991 Group 1  
Class A at 10 m  
FCC Class A at 10 m  
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B
Technical Support Resources  
Web Support  
National Instruments Web support is your first stop for help in solving  
installation, configuration, and application problems and questions. Online  
problem-solving and diagnostic resources include frequently asked  
questions, knowledge bases, product-specific troubleshooting wizards,  
manuals, drivers, software updates, and more. Web support is available  
through the Technical Support section of www.ni.com  
NI Developer Zone  
The NI Developer Zone at zone.ni.com is the essential resource for  
building measurement and automation systems. At the NI Developer Zone,  
you can easily access the latest example programs, system configurators,  
tutorials, technical news, as well as a community of developers ready to  
share their own techniques.  
Customer Education  
National Instruments provides a number of alternatives to satisfy your  
training needs, from self-paced tutorials, videos, and interactive CDs to  
instructor-led hands-on courses at locations around the world. Visit the  
Customer Education section of www.ni.com for online course schedules,  
syllabi, training centers, and class registration.  
System Integration  
If you have time constraints, limited in-house technical resources, or other  
dilemmas, you may prefer to employ consulting or system integration  
services. You can rely on the expertise available through our worldwide  
network of Alliance Program members. To find out more about our  
Alliance system integration solutions, visit the System Integration section  
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Appendix B  
Technical Support Resources  
Worldwide Support  
National Instruments has offices located around the world to help address  
your support needs. You can access our branch office Web sites from the  
Worldwide Offices section of www.ni.com. Branch office web sites  
provide up-to-date contact information, support phone numbers, e-mail  
addresses, and current events.  
If you have searched the technical support resources on our Web site and  
still cannot find the answers you need, contact your local office or National  
Instruments corporate. Phone numbers for our worldwide offices are listed  
at the front of this manual.  
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Glossary  
Prefix  
n-  
Meaning  
nano-  
Value  
109  
106  
103  
102  
103  
µ-  
micro-  
milli-  
m-  
c-  
centi-  
k-  
kilo-  
M-  
mega-  
106  
Symbols  
°
Degrees  
%
Equal or greater than  
Equal or less than  
Percent  
A
ASIC  
Application-Specific Integrated Circuita proprietary semiconductor  
component designed and manufactured to perform a set of specific  
functions for a specific customer  
B
bus  
The group of conductors that interconnect individual circuitry in a  
computer. Typically, a bus is the expansion vehicle to which I/O or other  
devices are connected. Examples of PC buses are the AT bus, NuBus,  
Micro Channel, and EISA bus.  
bus master  
a type of a plug-in board or controller with the ability to read and write  
devices on the computer bus  
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Glossary  
C
C
Celsius  
clock  
hardware component that controls timing for reading from or writing to  
groups  
counter/timer  
a circuit that counts external pulses or clock pulses (timing)  
D
device  
A plug-in instrument card or pad that can contain multiple channels and  
conversion devices. Plug-in boards and PCMCIA cards, which connects to  
your computer parallel port, are examples of devices.  
digital trigger  
DMA  
a TTL level signal having two discrete levelsa high and a low level  
direct memory accessa method by which data can be transferred to/from  
computer memory from/to a device or memory on the bus while the  
processor does something else. DMA is the fastest method of transferring  
data to/from computer memory.  
I
IEEE  
Institute of Electrical and Electronics Engineers  
M
MITE  
MXI Interfaces To Everythinga custom ASIC designed by National  
Instruments that implements the PCI bus interface. The MITE supports bus  
mastering for high speed data transfers over the PCI bus.  
P
PCI  
Peripheral Component Interconnecta high-performance expansion bus  
architecture originally developed by Intel to replace ISA and EISA. It is  
achieving widespread acceptance as a standard for PCs and workstations;  
it offers a theoretical maximum transfer rate of 132 Mbytes/s.  
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Glossary  
PCI-MITE  
A custom ASIC designed by National Instruments that implements the PCI  
bus interface. The PCI-MITE supports bus mastering for high speed data  
transfers over the PCI bus. It is also used in PXI cards.  
PCI-PCI bridge  
A device that transparently expands the PCI bus on a computer  
motherboard to another bus segment in the same machine. The bridge  
expands the number of PCI expansion slots, but remains transparent to the  
end user.  
PXI  
Stands for PCI eXtensions for Instrumentation. PXI is an open specification  
that builds off the CompactPCI specification by adding  
instrumentation-specific features.  
V
VCSEL  
Vertical Cavity Surface Emitting Laser  
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Index  
A
ASIC, 3-4  
cable options, 3-5  
cabling, 2-5  
hardware, 2-2  
B
of a PCI MXI-3 card, 2-2  
C
cable options, 3-5  
block diagram, 3-2  
chassis expansion, 3-2  
configuration, basic (figure), 3-3  
configurations, additional  
daisy chain (figure), 3-4  
star (figure), 3-4  
cable options, 3-5  
chassis expansion, 3-2  
definition, 1-1  
overview, 3-1  
conventions used in this manual, ix  
Customer Education, B-1  
MXI-3 ASIC, 3-4  
description, 1-1  
D
documentation  
conventions used in this manual, ix  
related, x  
N
National Instruments MXI-3 ASIC, 3-4  
NI Developer Zone, B-1  
F
functional unit descriptions, 3-4  
O
H
overview  
HSSDC (High Speed Serial Data Connector  
Cable), 3-5  
functional unit descriptions, 3-4  
hardware, 3-1  
MXI-3 block diagram, 3-2  
HSSDC (High Speed Serial Data Connector  
Receptacle), 3-5  
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Index  
system integration, B-1  
P
PCI MXI-3 card  
installation, 2-2  
installation (figure), 2-3  
PCI-PCI bridge, 1-2  
PXI MXI-3 card  
T
technical support resources, B-1  
installation, 2-3  
installation (figure), 2-5  
W
Web support, B-1  
worldwide technical support, B-2  
R
related documentation, x  
S
serial receiver, 3-5  
serial transmitter, 3-5  
software, 2-1  
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