NI ExpressCard-8420/2 (RS232)

The National Instruments ExpressCard serial interfaces are the optimal solution for providing additional RS232, RS422, and RS485 serial ports to laptop computers. The ExpressCard/34 serial interfaces are available in 2-port versions for both RS232 and RS485/RS422. You can install and use ExpressCard/34 interfaces as standard serial ports for your existing applications or with applications written with NI-VISA.

Additional Product Information

Extended Warranties

National Instruments designs and manufactures all products to minimize failures, but we know unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase covering any repair costs for up to three years.

• Significant cost savings compared to individual repair incidents
• Fault location, diagnostics, and repair by NI any time the system product fails
• All parts and labor costs covered as well as any adjustments needed to bring the hardware back to manufacturing specifications

Calibration

NI recognizes the need to maintain properly calibrated devices for high-accuracy measurements. We provide manual calibration procedures, services to recalibrate your products, and automated calibration software to calibrate many of our measurement products.

Training

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Repair Services

• You can return your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to bring the hardware back to manufacturing specifications.
• Contact us to obtain a Return Material Authorization (RMA) form and shipping instructions
• View your RMA support request status online
• Register your product

Technical Support

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