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National Instruments · NI digital I/O and counter/timer

SH68-68-D1

The National Instruments SH68-68-D1 is a shielded, twisted-pair cable connecting supported NI digital instruments and counter/timer modules to 68-pin accessories. Both ends use 68-pin female SCSI-type connectors.

ManufacturerNational Instruments

ModelSH68-68-D1

Part Number183432-01

Product TypeShielded digital and counter/timer cable

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Connections68-pin female SCSI to 68-pin female SCSI

ConstructionShielded, twisted-pair cable

Single-ended impedance125 Ω

Documented part number183432-01: 1 m version

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Overview

Product overview

Key product information and technical features.

The SH68-68-D1 provides a shielded connection between supported NI hardware and external connection accessories. NI documents its use with 6533/6534 digital instruments and 660x/661x counter/timer modules.

The D1 design uses digital signal pairings intended for counter/timer applications. Select the cable by the exact device and accessory combination rather than connector appearance alone.

Female 68-pin SCSI-type connectors at both ends.
Single-shielded construction with 125 Ω single-ended impedance.
Digital twisted-pair arrangement designed for counter/timer connections.

Verified specifications

Technical data

Verified product specifications.

Device-end connector	68-pin female SCSI 0.050-inch D-type
Accessory-end connector	68-pin female SCSI 0.050-inch D-type
Shielding	Single shield
Single-ended impedance	125 Ω
Signal wire gauge	30 AWG
+5 V wire gauge	30 AWG
Length associated with 183432-01	1 m

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National Instruments

Manufacturer

NI digital I/O and counter/timer hardware

Supported device families

SH68-68-D1

Shielded connection to supported 68-pin accessories

Counter/timer models

NI lists 6601, 6602, 6608, 6612, and 6614 with the SH68-68-D1.

Check the exact device, accessory, and cable length against NI documentation; matching connector counts alone do not establish compatibility.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI SH68F-68F-D1 Product Page, Including SH68-68-D1 Part NumbersProduct Page · ni.com

Open →

68-Pin SCSI Cables: DAQ Multifunction I/O Cable GuideTechnical Guide · ni.com

Open →

66xx Counter/Timer Cable and Accessory CompatibilityCompatibility Guide · ni.com

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NI D1–D5 Cable Connector, Shielding, and Impedance ComparisonTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

What connectors does the SH68-68-D1 use?

It has a 68-pin female SCSI-type connector at each end.

What length is part number 183432-01?

NI identifies 183432-01 as the 1 m SH68-68-D1 cable. Confirm the physical cable label before treating this catalog record as a specific length.

Is the SH68-68-D1 interchangeable with every NI 68-pin cable?

No universal interchangeability is established. NI distinguishes these cables by shielding, signal pairings, and intended devices; use the compatibility guide for the exact hardware combination.