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NATIONAL
INSTRUMENTS
The Software is the Instrument
SCXI-1345 Shielded Cable
This guide describes how to install the SCXI-1345 shielded cable with an adapter board between
an SCXI module and a data acquisition board. In addition to the SCXI-1345 kit contents, you
will also need an SCXI chassis, an SCXI module, a computer, a multifunction I/O (MIO) board,
a small Phillips-head screwdriver, and a small flathead screwdriver.
Introduction
With the SCXI-1345 shielded cable, you can make a low-noise, long-distance connection
between your SCXI chassis and your MIO board. You can use the SCXI-1345 with the
following MIO boards:
The SCXI-1345 shielded cable consists of a 1, 2, 5, or 10 m round cable that has a 50-pin female
connector with a grounding strap at one end and a 68-pin female connector at the other end.
When plugged into the SCXI-1345 adapter board, the shielded cable brings the pinout of the
MIO board I/O connector to the SCXI module and to a breakout connector you can use with
other SCXI accessories, such as the SCXI-1180 and the SCXI-1351.
What Your Kit Should Contain
The SCXI-1345 shielded cable kit is available in four cable sizes: 1, 2, 5, or 10 m.
In addition, each version of the kit contains the following components:
¥
Cable adapter assembly
¥
Two small screws
¥
Replacement bracket for AT-MIO-16 boards
© Copyright 1993, 1994 National Instruments Corporation. All rights reserved.
371177A-01
®
®
PC/XT, PC AT
AT-MIO-16
AT-MIO-16F-5
AT-MIO-16X
Installation Guide
Macintosh
NB-MIO-16
NB-MIO-16X
March 1993
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Table of Contents
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Related Manuals for National Instruments SCXI-1345
Summary of Contents for National Instruments SCXI-1345
- Page 1 NB-MIO-16X AT-MIO-16X The SCXI-1345 shielded cable consists of a 1, 2, 5, or 10 m round cable that has a 50-pin female connector with a grounding strap at one end and a 68-pin female connector at the other end. When plugged into the SCXI-1345 adapter board, the shielded cable brings the pinout of the MIO board I/O connector to the SCXI module and to a breakout connector you can use with other SCXI accessories, such as the SCXI-1180 and the SCXI-1351.
- Page 2 2. Install your SCXI module in the SCXI chassis, following the instructions in your module user manual. 3. Plug the socket connector of the SCXI-1345 adapter board into the rear signal connector of the SCXI module. 4. Secure the SCXI-1345 adapter board by screwing the two screws through the rear panel of...
- Page 3 5. Replace the bracket of your MIO board with the appropriate bracket from the SCXI-1345 cable kit, unless your MIO board has a bracket with a grounding strap tab. a. Remove your MIO board from your computer. b. Unscrew and remove the two screws that attach the bracket to the MIO board.
- Page 4 The 50-position I/O connector on your MIO board may have small plastic key inserts installed for mating with military polarized connectors. Because these keys are not compatible with the 50-position connector on the SCXI-1345, you must remove them. The 50-position SCXI-1345 connector has a center polarization bump that prevents you from inserting the connector upside down.
- Page 5 6. Install your MIO board in a slot in your computer, following the instructions in your MIO board user manual. 7. Connect the 68-pin connector (the end without the grounding strap) of the SCXI-1345 cable to the 68-pin connector of the SCXI-1345 adapter board as shown in Figure 5. Shielded Cable Adapter Board Figure 5.
- Page 6 10. Secure the cable to a fixed object with the tie wraps to relieve the strain on the cable. Strain relief is needed because the SCXI-1345 shielded cable is considerably stiffer than ribbon cable. The cable connector also has a long stiff backshell that can exert leverage on the MIO board connector.
- Page 7 The SCXI-1345 cable has an outer shield, which is grounded to the SCXI chassis at one end when you connect the SCXI-1345 cable to the chassis. The other end of the cable terminates in a grounding strap that provides shielding for the MIO board when connected. You do not have to connect the grounding strap for the system to function;...
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