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 high-performance 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
