# PXI-8421/8 National Instruments PXI Used

**Additional Features:**

-   8 ports, RS-485
-   Compatible with standard PC serial port, Windows 2000/NT/9x
-   Full Windows 2000/9x Plug and Play compatibility for switchless configuration
-   Interrupt sharing between ports
-   Kit includes cable
-   RTS/CTS hardware handshake lines available
-   Driver Software: NI-SDS for Windows 2000/NT/Me/9x

**Application Software:**

-   LabVIEW
-   Measurement Studio

The National Instruments PXI-8421/8 serial interface module for PXI/CompactPCI is an asynchronous serial interface for communicating with RS-485 and RS-232 serial devices. Interfaces for PXI are available with up to 16 ports and offer 2,000 V of optical isolation (optional for 2 and 4-port versions only).

## Details

- **Price:** 0.0 USD
- **Vendor:** National Instruments
- **Type:** Pxi
- **Tags:** Manufacturers, National Instruments, Other Equipment, product_manual_group_1, Product_used, PXI

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 0.00 USD | In stock |

## Images

- PXI-8421/8 National Instruments PXI Used

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> Source: [ValueTronics](https://valuetronics.com/products/pxi-8421-8-national-instruments-pxi-used)
> Updated: 2026-05-21