The National Instruments PXI-2555 (Part Number: 778572-55) is an advanced PXI RF Multiplexer Switch Module designed for high-performance video RF applications. Featuring internal termination technology, the PXI-2555 significantly minimizes high-control reflections that can arise from open channels, thereby protecting the source from potential signal degradation. The module is optimized for exceptional performance with outstanding insertion loss, voltage standing wave ratio (VSWR), and isolation parameters, ensuring reliable signal integrity.

The PXI-2555 enables users to track relay counts, providing insights into relay lifetime and reducing unexpected system downtime. Its onboard control logic allows seamless relay operations, including the downloading of up to 1024 arbitrary scan instructions directly to the module's memory, facilitating rapid scanning without the need for controller intervention. Users can configure the module to execute the scan list as a one-time process or to loop continuously.

Additionally, the module is equipped with an External Trigger Input to transition between scan setups promptly. Utilizing the accompanying driver software, users can route the external trigger from any of the PXI TTL trigger lines or the PXI star trigger, or opt for software-based triggering. All external trigger lines are compatible with TTL voltage levels and are sensitive to edge triggering, requiring a minimum pulse width of 70 nanoseconds from both PXI TTL and PXI star triggers.

The PXI-2555 features a single bank with four channels, supporting a switch bandwidth of up to 2.5 GHz. It is compactly designed with dimensions of 8.5 x 0.8 x 5.1 inches and weighs 7.7 ounces. To facilitate user needs, a comprehensive User Manual and Maintenance Manual are available for download. This module is backed by a warranty of 2-3 years, and for pricing information, please contact a sales representative.