Agilent/Keysight 8404A

The Agilent/Keysight 8404A is a C-size, 13-slot VXI mainframe designed for electronic testing and measurement applications. Part of the E8400 Series, it delivers 1000 watts of usable power with dynamic and peak current capability for demanding automated test systems. The mainframe combines innovative air distribution cooling, enhanced system monitoring, and improved backplane design to achieve superior reliability and operational efficiency.

Technical Specifications

• Form Factor: C-size, 13-slot VXI mainframe


• Power Supply: 1000 watts usable power with ample dynamic and peak current capability


• Cooling System: Innovative air distribution system with quiet, efficient operation. Enhanced monitoring reports temperatures, power supply voltages and currents, fan operation, and system status


• Dimensions: 352 mm H (8 EIA rack units) × 424.5 mm W × 631 mm D


• Weight: 25 kg (55 lbs)

Key Features

• Full-color front-panel display with comprehensive diagnostics


• Remote monitoring via VXIbus or RS-232 connections


• Front-panel diagnostics connector for continuous local or remote system supervision


• Improved backplane design with enhanced reliability and performance


• QUIC easy module insertion and extraction system via injector surface rails


• Convenient rear-panel access to power supply and cooling fan for field maintenance


• VXI specification compliance

Operational Capabilities The 8404A delivers real-time system status visibility through detailed temperature, voltage, current, and fan monitoring. Enhanced cooling control maintains thermal stability across demanding test cycles, while the optimized backplane architecture supports reliable, high-throughput module communication.

Compatibility & Integration Designed for integration into VXI test system architectures. Supports VXIbus and RS-232 for system communication and remote diagnostics. Compliant with VXI specifications for module insertion and extraction.