Keysight / Agilent / HP 10344 VME and VXI Bus Preprocessor Interface

The Keysight/Agilent/HP 10344 VME and VXI Bus Preprocessor Interface provides bus monitoring and control functionality for integrated VME and VXI systems. This preprocessor module bridges communication between VME and VXI architectures, enabling high-speed data flow management in automated test environments. The 10344 conforms to VMEbus Specification Rev C.1 and VXIbus Rev 1.3, ensuring compatibility with standard instrument chassis and backplane configurations.

Technical Specifications

VMEbus conformance: Rev C.1

VXIbus conformance: Rev 1.3

VMEbus architecture: 32-bit bus with J1 and J2 backplane interfaces for data, addressing, and power distribution

VME64 support: 160-pin connector family with 3.3 V power supply pins and extended bandwidth capability

VXIbus clock: 10 MHz differential ECL signal

Trigger buses: TTL and ECL configurations per VXIbus specification

Module form factor: C-Size (233 mm × 340 mm)

Connectors: P1 (mandatory) and P2 (optional) per VXIbus standard

Key Features

VME/VXI bus activity monitoring

Configurable Bus Grant jumpers for system-level customization

Configurable Interrupt Acknowledge jumpers for interrupt handling control

P1 connector carries data transfer bus, interrupt bus, and power

P2 connector expands data transfer to 32-bit, adds local bus, module identification bus, and analog summing bus

Conducted and radiated interference limits per VXIbus specification

Typical Applications

Automated test system integration within VXI mainframe architectures

VME backplane data flow management and monitoring

Multi-instrument coordination in test equipment systems

Bus arbitration and control in modular instrumentation platforms

Compatibility & Integration The 10344 integrates directly into VXI chassis supporting standard P1 and P2 backplane connectors. VMEbus and VME64 compatibility enables deployment in legacy and modern modular systems. Configuration flexibility through Bus Grant and Interrupt Acknowledge jumpers permits adaptation to specific system architectures without external circuitry.