IEEE Std 1101.2-1992(2001) IEEE Standard for Mechanical Core Specifications for Conduction-Cooled Eurocards -Description

Abstract: Mechanical characteristics of conduction-cooled versions of Eurocard-based circuit card assemblies are described. This specification is applicable to, but not limited to, the VMEbus standard, an internal interconnect (backplane) bus intended for connecting processing elements to their immediate fundamental resources. The aim is to ensure mechanical interchangeability of conduction-cooled circuit card assemblies in a format suitable for military and rugged applications and to ensure their compatibility with commercial, double-height, 16 mm, Eurocard chassis.

Keywords: dimensions, card slot requirements, circuit card assemblies, conduction-cooled, mechanical interchangeability, Eurocard-based

Content

• 1. Scope
• • 1.1 Mechanical Characteristics
  • 1.2 Environmental Requirements
• 2. Purpose
• 3. References
• 4. Special Word Usage, Definitions, and Acronyms
• • 4.1 Special Word Usage
  • 4.2 Definitions
  • 4.3 Acronyms
• 5. Characteristics
• • 5.1 Introduction
  • 5.2 CCA Arrangement
  • 5.3 Card Pitch
  • 5.4 Card Dimensions
  • • 5.4.1 Width Axis
    • 5.4.2 Height Axis
    • 5.4.3 Depth Axis
  • 5.5 Pinout
  • 5.6 Optional Features
  • • 5.6.1 Stiffening Ribs and Faceplate
    • 5.6.2 Ejectors
    • 5.6.3 Expanders
    • 5.6.4 CCA Keying
• 6. Chassis Interface
• • 6.1 Card Connectors
  • 6.2 Card Guide Slots
• 7. Materials, Processes, and Parts
• • 7.1 Fungus Resistance
  • 7.2 Hazardous Components
  • 7.3 Conduction Plate Material
• 8. Bibliography

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