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National Instruments · NI measurement and control connectivity

NI SH37F-37M

The NI SH37F-37M is a shielded I/O cable with 37-pin female and male D-SUB connectors. NI documents 1 m and 2 m versions; the supplied catalog record does not identify a specific length.

ManufacturerNational Instruments

ModelSH37F-37M

Part Number778621-01 · 778621-02

Product TypeShielded multifunction I/O cable

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Connectors37-pin female D-SUB to 37-pin male D-SUB

ConstructionShielded cable

Documented lengths1 m and 2 m; catalog variant unspecified

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Overview

Product overview

Key product information and technical features.

The SH37F-37M connects compatible CompactRIO modules to accessories or cables with D-SUB connectors. Its use is not restricted to CompactRIO: NI also documents this cable for selected 37-pin DAQ devices.

Female-to-male 37-pin D-SUB connection.
Shielded construction on the 778621-01 and 778621-02 variants.
Length-specific variants: SH37F-37M-1 at 1 m and SH37F-37M-2 at 2 m.

Verified specifications

Technical data

Verified product specifications.

Front-end connector	37-pin female D-SUB
Back-end connector	37-pin male D-SUB
Shielding	Shielded
Twisted pairing	No
Length — 778621-01	1 m
Length — 778621-02	2 m
Wire gauge	26 AWG
Maximum current per line	1.2 A

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National Instruments

Manufacturer

37-pin D-SUB connectivity

Connection interface

SH37F-37M

Shielded I/O interconnect

Compatibility

NI's M Series manual recommends the SH37F-37M for 37-pin connections and lists CB-37F-HVD, CB-37FV, CB-37FH, and CB-37F-LP terminal blocks for the PCI-6221 (37-pin).

Confirm the device pinout, electrical limits, and required cable length before selecting a variant.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI SH37F-37M Product DetailsProduct Page · ni.com

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SH37F-37M Dimensional DrawingsDimensional Drawings · ni.com

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NI 651x User ManualUser Manual With Cable Electrical Limits · docs-be.ni.com

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M Series User Manual — 37-Pin Cables and AccessoriesTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Which part number corresponds to each cable length?

778621-01 is the 1 m SH37F-37M-1; 778621-02 is the 2 m SH37F-37M-2. This catalog record does not specify which variant it represents.

Does a matching D-SUB connector establish compatibility?

No. NI warns that physically connectable devices can exceed the cable's 1.2 A per-line current limit. The NI 651x manual also states that this cable is not intended for hazardous voltages above 60 V DC, 42.4 V peak, or 30 V RMS.