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A203N - M-Module Carrier Board for 4 Mezzanine Cards

6U VME64

The A203N is an M-Module carrier board for universal I/O on the VMEbus, allowing high flexibility in applications such as process and motion control, measurement and instrumentation, communication or special-purpose tasks.

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  • A203N Product ImageA203N 6U VME64 M-Module Carrier Board
  • A203N Product Image

Main Features

  • 4 M-Module slots
  • 1 VME64 slave slot
  • 7-level interrupter
  • -40 °C to +85 °C
A203N Product Image

Technical Data

Mezzanine Slots
  • Four M-Module slots
  • Compliant with M-Module standard
  • Characteristics: D08, D16, D32, A08, A24, INTA, INTC, TRIGO, TRIGI
  • Prepared for DMA16, DMA32
  • Prepared for D16 burst, D32 burst
Interrupt Controller
Interrupt handling individually for each M-Module
Peripheral Connections
  • Via front panel
  • Via 160-pin P2 connector (rear I/O)
  • Only one slot required on the VMEbus
  • Slave
    • D08(EO):D16:D32:A16:A24:A32;BLT, prepared for D16BLT and D32BLT
  • Interrupter D08(O):I(7-1)
Electrical Specifications
  • Supply voltage/power consumption: +5V (-3%/+5%), typ. 140mA (without M-Modules)
  • MTBF: 274,000h @ 40°C (derived from MIL-HDBK-217F)
Mechanical Specifications
  • Dimensions: standard double Eurocard, 233.3mm x 160mm
  • Front panel: stiffener panel, aluminum with 2 handles, cut-outs for front connectors of 4 M-Modules
  • Weight: 350g
Environmental Specifications
  • Temperature range (operation):
    • -40..+85°C
    • Airflow: min. 10m³/h
  • Temperature range (storage): -40..+85°C
  • Relative humidity range (operation): max. 95% without condensation
  • Relative humidity range (storage): max. 95% without condensation
  • Altitude: -300m to + 3,000m
  • Shock: 15g/11ms
  • Bump: 10g/16ms
  • Vibration (sinusoidal): 2g/10..150Hz
PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
Tested according to EN 55022 (radio disturbance), IEC 61000-4-2 (ESD) and IEC 61000-4-4 (burst)
Software Support
  • M-Module drivers for Windows, VxWorks, Linux, QNX, OS-9 as supported
  • Basic board driver included in MDIS system package for the respective operating system

Ordering Information

Standard A203N Models

M-Module carrier board, -40...+85°C with qualified components

Miscellaneous Accessories

Front-panel cover for M-Module cut-outs at front panels, snap-in, 10 pcs


25 mounting screw sets to fix M-Modules on carrier boards (3 different screw types, 50 pieces each)



Driver software for Windows, Linux, VxWorks, QNX, RTX and OS-9 is available for the different M-Modules. Please refer to the M-Module/s of your choice for information and download.

A basic board driver for this carrier card is included in the MDIS system package for the respective operating system. You can find an overview of available packages for download under www.men.de/mdis.


Data Sheets
User Manuals
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