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National Instruments · PXI/PXI Express matrix switch accessories

SCB-264X

The NI SCB-264X is a shielded connector block for wiring individual signals to the rows and columns of supported PXI/PXIe-2532 and 2532B matrix switch modules through compatible terminal blocks.

ManufacturerNational Instruments

ModelSCB-264X

Part Number779341-01

Product TypeShielded screw-terminal connector block

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Product roleRemote signal-wiring connector block

Signal terminationScrew terminals

Ribbon-cable connectors5

Manufacturer voltage designation60 VDC

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Overview

Product overview

Key product information and technical features.

The SCB-264X provides accessible screw-terminal wiring for matrix switch signals. Ribbon cables link it to a supported module-mounted terminal block; the SCB-264X is a connection accessory rather than the matrix switch itself.

System configuration depends on the switch module, terminal-block topology, and cable arrangement. NI publishes separate compatibility guidance for the original 2532 and 2532B families.

Shielded connection path for individual matrix row and column signal wires.
Five ribbon-cable connectors interface with supported terminal blocks.
Supports stand-alone placement or DIN-rail mounting.

Verified specifications

Technical data

Verified product specifications.

Manufacturer part number	779341-01
Voltage designation	60 VDC
Ribbon-cable connector count	5
Signal termination	Screw terminals

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Compatibility

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National Instruments

Manufacturer

PXI/PXIe-2532 and 2532B

Matrix switch module families

Supported terminal block and ribbon cables

Intermediate connection hardware

SCB-264X

Individual signal-wire termination

Verify the exact terminal block and cable configuration. TB-2645/TB-2645B arrangements have row-access limitations; do not assume direct compatibility.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI SCB-264X Product PageOfficial Product Page · ni.com

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NI SCB-264X Installation InstructionsInstallation Manual · download.ni.com

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Matrix Switch Modules: Switches Cable and Accessory CompatibilityCompatibility Guide · ni.com

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How to Connect Signals to the PXI/PXIe-2532BTechnical resource

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TB-2645 and SCB-264X Row-Cable Access LimitationsTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Is the SCB-264X a matrix switch module?

No. It is a shielded connector block that connects individual wires to a separate matrix switch through supported terminal blocks and ribbon cables.

Does the SCB-264X connect directly to the PXI-2532?

The installation instructions require an appropriate TB-264X terminal block between the SCB-264X and PXI-2532, with ribbon cables linking the connector blocks.

Can one SCB-264X access both TB-2645 row ribbon cables?

No. NI identifies a row-access limitation because one SCB-264X has only one 16-pin row connection. Consult NI's configuration guidance before using this arrangement.