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National Instruments · NI DAQ

NI RC68-68

The NI RC68-68 is an unshielded ribbon cable connecting a 68-pin VHDCI device interface to a 68-pin SCSI D-Type accessory interface. NI documents 0.25 m, 0.5 m, and 1 m variants; this catalog record does not identify a specific length.

ManufacturerNational Instruments

ModelRC68-68

Part Number187252-0R25 · 187252-0R5

Product TypeUnshielded DAQ ribbon cable

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Device connector68-pin male VHDCI

Accessory connector68-pin female SCSI D-Type

ConstructionUnshielded flat ribbon cable

Documented lengths0.25 m, 0.5 m, and 1 m; variant must be confirmed

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Overview

Product overview

Key product information and technical features.

The RC68-68 provides a ribbon-cable connection between supported NI DAQ hardware and external accessories. Its device end uses VHDCI, while its accessory end uses the 68-position 0.050-inch D-Type connector that NI also describes as SCSI.

NI describes the RC68-68 as highly flexible. Because it is unshielded, review the connected device's electromagnetic compatibility requirements before selecting it for an installation.

68-pin connectors at both ends, with different device-side and accessory-side connector formats.
Highly flexible unshielded ribbon construction.
No twisted-pair conductors.

Verified specifications

Technical data

Verified product specifications.

Device-side connector	68-pin male VHDCI, 0.8 mm pitch
Accessory-side connector	68-pin female SCSI D-Type, 0.050-inch pitch
Shielding	None
Twisted pairs	None
Signal and +5 V conductor gauge	30 AWG
Length by manufacturer part number	187252-0R25: 0.25 m; 187252-0R5: 0.5 m; 187252-01: 1 m

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National Instruments

Manufacturer

NI DAQ 68-pin VHDCI cabling

Device and accessory interconnection

RC68-68

Unshielded VHDCI-to-SCSI ribbon cable

Compatibility

NI explicitly lists the RC68-68 for the DAQCard-6024E connection to 68-pin accessories. This does not imply compatibility with PCI-6024E, which uses a different cable connector format.

Confirm the exact device, accessory, and cable length. An unshielded cable may not meet the connected device's EMC installation requirements.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI R68F-68F Cable Product Page — Includes RC68-68 VariantsManufacturer Product Page · ni.com

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68-Pin VHDCI Cables: DAQ Multifunction I/O Cable GuideSpecifications And Connector Guide · ni.com

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NI DAQ Custom Cables, Replacement Connectors, and ScrewsTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the RC68-68 have the same connector on both ends?

No. The device end is 68-pin male VHDCI; the accessory end is 68-pin female SCSI D-Type.

Is the RC68-68 shielded?

No. It has neither shielding nor twisted pairs. Check the connected device's EMC installation instructions before use.

Which length does this catalog record represent?

The supplied record does not specify a length or manufacturer part number. NI documents 0.25 m, 0.5 m, and 1 m RC68-68 variants, so confirm the item-specific part number before selection.