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National Instruments · PCMCIA

PCMCIA-485

The National Instruments PCMCIA-485 is a legacy PCMCIA serial interface for RS-485 communications. Driver selection requires care: NI discontinued support for PCMCIA-485 interfaces in NI-Serial 3.5.1.

ManufacturerNational Instruments

ModelPCMCIA-485

Product TypeRS-485 serial interface card

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Host interfacePCMCIA

Serial standardRS-485

Driver limitationSupport discontinued in NI-Serial 3.5.1

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Overview

Product overview

Key product information and technical features.

PCMCIA-485 belongs to National Instruments' legacy PCMCIA serial interface range. NI documentation identifies this model separately from PCMCIA-485/2 and from models carrying the 921.6k designation.

For an existing installation, confirm the exact card designation and the operating-system and driver combination before changing software. NI's release history explicitly records removal of PCMCIA-485 support in NI-Serial 3.5.1.

PCMCIA host interface.
RS-485 serial communication interface.
Covered by NI's archived Using PCMCIA Serial with Linux configuration note.

Verified specifications

Technical data

Verified product specifications.

Host bus	PCMCIA
Serial interface standard	RS-485

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National Instruments

Manufacturer

PCMCIA

Host interface platform

PCMCIA-485

RS-485 serial interface card

Driver support boundary

NI-Serial 3.5.1 discontinued PCMCIA-485 support.

Confirm the exact card variant and legacy driver requirements before integration.

Manuals & software

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Manuals, software and technical resources for this model.

Archived: Using PCMCIA Serial with LinuxConfiguration Note · download.ni.com

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NI-Serial 21.3 Readme — Historical Support ChangesDriver Readme · ni.com

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Archived PCMCIA Serial Linux Configuration NoteTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

What interface does the PCMCIA-485 provide?

It is a National Instruments PCMCIA serial interface identified by NI as an RS-485 device.

Does NI-Serial 3.5.1 support the PCMCIA-485?

No. NI's release history states that support for PCMCIA-232 and PCMCIA-485 interfaces was discontinued in NI-Serial 3.5.1. Verify an earlier driver's hardware and operating-system support before installation.

Is the catalog's 921.6 kb/s transfer-rate claim confirmed?

Not for the exact card variant in this record. NI lists PCMCIA-485 and PCMCIA-485 921.6k separately, so the card designation must be checked before applying that rating.