Ametek / VTI Instruments / VXI Technology EX2500 LXI-VXI Gigabit Ethernet Slot 0 Interface

The Ametek/VTI Instruments/VXI Technology EX2500 is a LXI-VXI Gigabit Ethernet Slot 0 Interface that bridges LXI and VXI systems for high-speed communication in complex test and measurement environments. It extends VXI capabilities to external hosts via Ethernet while maintaining backward compatibility with legacy systems and supporting modern network-based instrumentation control.

Technical Specifications

Connectivity

• Primary interface: Gigabit Ethernet (LXI-VXI)


• Host connection via CAT5e Ethernet cable up to 200 meters


• Fiberoptic connection available for distances up to 10 km from PC to mainframe


• VXI Trigger Bus extension across multiple mainframes via LXI-compliant LVDS front panel connectors


• External Clock In/Out with on-board TCXO/OCXO options


• SMB connectors for single-line legacy trigger input/output Data Transfer Performance


• Block transfer rate exceeds 40 MB/s utilizing DMA controller


• Message-based (word-serial) command performance maintained without compromise


• LXI Class B synchronization for high-resolution measurements across instrumentation networks (tens of nanoseconds)

Key Features

• LXI standard VXI-11 instrument discovery mechanism for simplified hybrid system integration


• Eight VXI TTL triggers extended across distributed systems


• Embedded web interface for interactive control and monitoring


• System status display including installed VXI hardware, memory allocation, IP configuration, and logical addressing via HTML LXI-style web page


• Direct device communication through message or register-based commands accessible via embedded interface

Compatibility & Integration

• Backward compatible with VXI 1.4 and 2.0 products


• Fully compliant with VXIplug&play specifications


• VISA (Virtual Instrument Software Architecture) API communication layer


• Standard VISA I/O library included, compatible with Agilent Technologies and National Instruments VISA versions


• Preserves existing Test Procedure Software (TPS) and driver development investments