IEC 60297-3-104:2006

Overview

IEC 60297-3-104:2006 is an international standard published by the International Electrotechnical Commission (IEC) that defines the connector dependent interface dimensions for subracks and plug-in units within the 482.6 mm (19 inch) mechanical structure series. This standard builds on the foundational subrack dimensions established in IEC 60297-3-101 and specifies detailed mechanical dimensions based on the type of connectors used.

The standard facilitates interoperability and compatibility among electronic equipment enclosures, subracks, and plug-in units by standardizing the physical interface dimensions linked to popular two-part connectors such as those defined in IEC 60603-2, IEC 61076-4-101, and IEC 61076-4-113. By adhering to this standard, manufacturers and system integrators can ensure reliable mechanical mounting and electrical connectivity in complex electronic systems.

Key Topics

• Connector-dependent interface dimensions: Defines precise dimensions for connectors used in subracks and plug-in units, tailoring mechanical designs to specific connector types.

• Subrack types and configurations: Includes details for subrack types A and B, covering front-mounted and rear-mounted printed board plug-in units, as well as mixed connector applications.

• Depth and height dimensions: Specifies comprehensive dimensioning for depth, height, and width for plug-in units and backplanes, ensuring compatibility in mounting and assembly.

• Standardized connectors: Focuses on two-part connectors conforming to IEC 60603-2, IEC 61076-4-101, and IEC 61076-4-113, widely used in telecommunications, data, and electronic equipment.

• Mechanical structure series: Applies to the 482.6 mm (19 inch) series, standardizing rack and panel dimensions frequently adopted in telecommunications and IT infrastructure.

• Figures and tables: Provides detailed diagrams and dimensional tables for layout planning and implementation, including backplane dimensions and different types of plug-in modules.

Applications

IEC 60297-3-104:2006 is essential for manufacturers, designers, and integrators in various industries where electronic equipment enclosures and modular systems are used. Typical applications include:

• Telecommunications equipment: Standardizes mechanical interfaces for subracks and plug-in units used in telecom networks to enhance modularity and ease of maintenance.

• Server and data center racks: Supports 19-inch rack systems by defining mechanical details critical for equipment interoperability and system scalability.

• Industrial electronic systems: Ensures compatibility in enclosures housing modular components such as controllers, interface cards, and power supplies.

• Test and measurement equipment: Enables the design of flexible and standardized mechanical enclosures for test hardware and lab instruments.

• Embedded and computing systems: Supports the integration of plug-in modules with consistent mechanical and connector interface dimensions.

By implementing this standard, organizations can improve product quality, reduce design cycle times, and facilitate global market acceptance through adherence to internationally recognized mechanical interface dimensions.

Related Standards

To complement IEC 60297-3-104:2006, the following standards are commonly referenced:

• IEC 60297-3-101: Mechanical structures for electronic equipment - Dimensions for subracks, serving as the base standard for mechanical subrack dimensions.

• IEC 60603-2: Connectors for electronic equipment - Two-part connectors, defining connector types referenced in the interface dimensions.

• IEC 61076-4-101 and IEC 61076-4-113: Additional specifications for two-part connectors used in electronic subracks addressing specific performance and design requirements.

• IEC 60297 series: Covers other mechanical structures and dimensions within the 19-inch equipment rack systems.

• ISO/IEC 14776: For certain data and telecommunication cabinet and rack enclosures, complementing the IEC mechanical structure standards.

Leveraging these standards together enables comprehensive design and production guidelines covering mechanical dimensions, connector systems, and overall equipment configuration in accordance with international best practices.

Keywords: IEC 60297-3-104, mechanical structures, electronic equipment, 19 inch series, subrack dimensions, plug-in units, connector dependent dimensions, IEC 60603-2 connectors, IEC 61076-4-101, IEC 61076-4-113, backplane dimensions, telecommunications equipment standards, rack mount dimensions, modular electronic enclosures, standardized mechanical interface.