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National Instruments sbRIO-9870 Board-only 4-port RS232 serial interface module
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National Instruments · NI Single-Board RIO

sbRIO-9870

The NI sbRIO-9870 is the board-only NI 9870E four-port RS232 serial interface module listed for Single-Board RIO systems. It is an interface module, not a standalone embedded controller.

ManufacturerNational Instruments
ModelsbRIO-9870
Part Number780922-01 · 780922-02
Product TypeBoard-only 4-port RS232 serial interface module
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
Technical Supportmodel & compatibility help
Manufacturer designationNI 9870E
Serial ports4 independent RS232 DTE ports
ConstructionBoard-only module
Maximum baud rate921.6 kbps
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Overview

Product overview

Key product information and technical features.

NI lists sbRIO-9870 within its Single-Board RIO C Series interface modules under the NI 9870E designation. This board-only format should be distinguished from the enclosed NI-9870.

NI identifies 780922-01 as the board-only version, 780922-02 as the version with four 10P10C-DE9 cables, and 780922-10 as a ten-module package. These are manufacturer configurations; the catalog record does not identify its specific configuration.

  • Four RJ-50 serial receptacles.
  • ANSI/EIA/TIA-232-compatible ports.
  • External power supplies the RS232 transceivers.
Verified specifications

Technical data

Verified product specifications.

Serial port count4 ports
Serial standardRS232; DTE
Maximum baud rate921.6 kbps
Serial connectors4 RJ-50 receptacles
Required external supply+8 to +28 VDC
Operating temperature-40 to +85, internal to enclosure °C
Approximate weight55 g
Condition & included items

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Included

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Compatibility

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National Instruments

Manufacturer

Single-Board RIO

Embedded hardware platform

sbRIO-9870 / NI 9870E

Board-only RS232 interface module

Integration requirement

Install inside a suitable enclosure before use.

Confirm the controller's C Series connection arrangement and required software before integration.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI 9870E Operating Instructions and SpecificationsOperating Instructions And Specifications · docs-be.ni.com
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NI Single-Board RIO HardwareOfficial Model And Configuration Reference · ni.com
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NI 9870E connector pin assignments, dimensions, and power wiringTechnical resource
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Shipping, warranty & returns

Commercial terms

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Shipping
Free Shipping. Full policy terms apply.
Warranty
30-Day Warranty. Standard coverage applies.
Returns
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Related products

Alternatives & system components

Related model
sbRIO-9871View product →
Related model
NI-9870View product →
FAQ

Product-specific questions

Product-specific answers based on available technical information.

Is the sbRIO-9870 an embedded controller?

No. NI identifies it as the NI 9870E board-only four-port RS232 serial module.

Does it require external power?

Yes. The transceivers require a +8 to +28 VDC external supply.

How does it differ from the sbRIO-9871?

The sbRIO-9870 provides RS232 interfaces; NI lists the sbRIO-9871 as a board-only four-port RS422/RS485 module.

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