SOHO PROLAB TEST · MEASUREMENT · AUTOMATION
Ask SOHO Assistant Get Price
Home / Shop / USB-485
NI (National Instruments) USB-485 1-Port, USB, RS485/RS422 Serial Interface Device
1 image: Click to enlarge
NI (National Instruments) · USB 2.0

USB-485

The NI USB-485 is a single-port USB interface for asynchronous RS485 and RS422 serial communication. It connects through USB 2.0 and provides a non-isolated serial channel with a D-SUB connection.

ManufacturerNI (National Instruments)
ModelUSB-485
Part Number778475-01
Product Type1-Port, USB, RS485/RS422 Serial Interface Device
● Available to Order
Condition: confirmed per unit

Request current pricing and lead time for this model. Our team will confirm the exact equipment configuration and condition.

Fast RFQ

Quote: USB-485

We will reply by email.
Free Shippingfull policy linked
30-Day Warrantystandard coverage
30-Day Returnspolicy applies
Technical Supportmodel & compatibility help
Bus ConnectionUSB 2.0
Isolation TypeNone
Number of Serial Channels1
Supported Serial ProtocolsRS485, RS422
Front Connection TypeD-SUB
SOHO Assistant
Ask about this exact model, a replacement, accessory, driver, rental or repair question.
Ask about specifications, compatibility, availability, rental or repair.
Ask SOHO Assistant
Overview

Product overview

Key product information and technical features.

The USB-485 transforms a USB port into a single asynchronous serial port for communication with RS485 and RS422 devices. It belongs to NI's Serial Interface family.

This model uses a USB 2.0 bus connection and a D-SUB serial connection. Its serial channel is non-isolated, an important distinction when assessing grounding and isolation requirements for a system.

  • Single-port USB interface for asynchronous serial communication.
  • Supports both RS485 and RS422 serial protocols.
  • USB 2.0 host connection.
  • D-SUB front connection for the serial interface.
  • Appears as a standard COM port for serial communication programs.
Verified specifications

Technical data

Verified product specifications.

Bus ConnectionUSB 2.0
Isolation TypeNone
Number of Serial Channels1
Supported Serial ProtocolsRS485, RS422
Front Connection TypeD-SUB
NI part numbers778475-01
Condition & included items

What the actual unit includes

Confirm condition, included accessories and revision before ordering.

Condition

Confirmed per unit.

Included

Device / accessories confirmed in quote.

Revision

Exact revision confirmed when relevant.

Compatibility

Complete the measurement chain

Review system components and compatibility requirements.

NI

Manufacturer

USB 2.0

Bus Connection

USB-485

This product

Platform shown as listed by NI. Confirm controller, chassis and software fit for your system with NI before integration.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

Getting Started (NI)Getting Started · ni.com
Open →
Specifications (NI)Specifications · ni.com
Open →
Letter Of Volatility (NI)Letter Of Volatility · ni.com
Open →
Dimensional Drawings (NI)Dimensional Drawings · ni.com
Open →
Product Page (NI)Product Page · ni.com
Open →
Shipping, warranty & returns

Commercial terms

Review shipping, warranty and return terms before ordering.

Shipping
Free Shipping. Full policy terms apply.
Warranty
30-Day Warranty. Standard coverage applies.
Returns
30-Day Returns. Return policy applies.
Price / Availability
Contact SOHO ProLab for current quote and availability.
Lifecycle services

Source, rent or repair the exact model

Choose pricing, rental or repair for this exact model.

Get Price

Current price, availability and exact unit details.

Rent This Model

Request the exact model or a suitable alternative.

Repair This Model

Send the model and failure symptoms for review.

FAQ

Product-specific questions

Product-specific answers based on available technical information.

What serial protocols does the USB-485 support?

It supports RS485 and RS422 asynchronous serial communication.

How many serial channels does the USB-485 provide?

This model provides one serial channel through a D-SUB connection.

How does the USB-485 connect to the host?

It uses a USB 2.0 bus connection.

Does the USB-485 provide isolation?

No. The isolation type for this model is listed as none.

Ask SOHO AssistantProduct & compatibility help