The CT-400 is a 13-slot C-size VXIbus mainframe delivering over 1100 W of usable power for modular test system integration. This mainframe combines a modular power supply assembly with a 10-layer stripline backplane, advanced thermal management, and comprehensive health monitoring to support high-performance instrumentation and switching applications.
Technical Specifications
Mainframe Architecture
• 13-slot C-size VXIbus configuration
• Modular chassis design
• 10-layer stripline backplane with optimized power distribution and minimized crosstalk
• Automatic active Bus Grant and IACk jumpering
Power Delivery
• Total usable power: >1100 W
• Modular power supply assembly
• All seven VXIbus supply lines available on rear panel for external device powering
• Each supply line protected to 1 A with self-healing fuses
• Protection: short circuit, over-voltage, reverse voltage, and thermal shutdown
Thermal Management
• Pressurized plenum system with custom baffling
• Fan control: low, high, or variable speed modes
• Variable mode: automatic speed adjustment based on power usage and ambient air temperature
• Quiet operation
Monitoring & Control
• Eight TTL trigger lines (rear panel accessible)
• Remote power-off input
• Fan tachometer outputs
• Over-temperature interrupt
• Over-voltage interrupt
• Over-current interrupt
• Over-ambient air temperature (>55 °C) interrupt
• Fan-speed drop interrupt
• Main fault interrupt output (logical OR of all fault conditions)
• Fault output signal for system failure flagging
• Front panel voltage monitor indicators and status LEDs
– Green LED: voltage within limits
– Red LED: over-voltage condition
– Unlit LED: under-voltage condition
– Key Features
• Modular power supply delivering >1100 W for flexible instrument integration
• Fault monitoring with eight discrete interrupt signals and main fault output
• Dual-mode cooling with variable temperature and load-based fan control
• Self-healing fuse protection on all seven supply lines
• TTL trigger distribution for multi-instrument synchronization
• Visual and signal-based health indication for remote monitoring
– Typical Applications
Automated test equipment (ATE), modular instrumentation systems, RF/microwave test platforms, and integrated switching architectures requiring distributed power and trigger distribution.
– Compatibility & Integration
Designed for VXIbus instrument and switching system integration within modular test architectures. Rear panel distribution of power lines and trigger signals enables straightforward integration with external equipment and systems.
