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Backplane Connectors - Hard Metric, Standard

Backplane connectors, often referred to as direct wire connectors, are the interfaces responsible for interconnecting multiple boards in any modern backplane system. This type of connectors is used to route signals within an architecture like point-to-point (P2P) systems, star topologies, tree systems, and large computers connected together with a network. The latest technological advancements in the field enabled the emergence of high-speed and high-capacity backplane systems.

Types of Backplane Connectors

The most common types of backplane connectors are hard metric and standard connectors. The hard metric connectors are mainly used in high-speed applications with applications including SCSI data transmission, Server Fibre Channel, and Gigabit Ethernet. Hard metric connectors are standardized according to some widely accepted industry standards such as IEC 603-1, IEC 603-2, IEC 603-3, IEC 61076-4-101, EN 1076-4-102, and VITA 39. Hard metric connectors feature copper-based links similar to traditional wire for high-speed data transfer.

Standard connectors are mainly used in low-speed applications or systems with low-density architectures. These connectors are used in embedded applications, SCSI, Ethernet, and many more. Common standards for these connectors include IEC 603-2, IEC 603-3, IEC 61076-4-101, EN 1076-4-102, and VITA 39. These connectors use removable cables or modules, with each multiple module consisting of several connectors.

Working Principle of Backplane Connectors

The working principle of backplane connectors is quite simple. In a backplane system, the connectors are responsible for connecting several printed circuit boards and are responsible for routing signals or providing power from one board to the other. When one component of the system needs to communicate with another, it sends a request to the backplane connector, which in turn routes the signal from one board to the other. This allows for the transmission of signals without the need to physically link the components.

Backplane connectors are essential components of modern backplane systems, and as technologies continue to advance, the connectors continue to evolve. This ensures that modern backplane systems are able to handle the latest high-speed, high-capacity data transmission requirements.

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