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Backplane Connectors – Hard Metric, Standard– have the common feature of being support components that provide physical electrical connections between the circuit boards in an electronic device, such as a computer system. Their purpose is to connect two or more printed circuit boards (PCBs) together in order to facilitate interconnection of components and systems. Backplane connectors are composed of a set of copper-wrapped pins that are inserted into holes in the PCBs to create a secure electrical connection. The most common configuration is a one-in-one-out configuration which connects two boards by one connector and one socket set. This is usually the type used in high-end applications.

The backplane connectors – Hard Metric, Standard – come in a variety of formats and sizes with varying levels of current/voltage handling capability. The Hard Metric connectors are used in harsh environments where the need for high-speed and/or robust connections is paramount. Hard metric connections are typically used in industrial and military applications, such as networking and control systems. These connectors feature an extremely secure connection that will withstand vibration and shock, and can be locked in place to ensure the connection is reliable. The Hard Metric standard is an international standard that defines the physical aspects of a connector.

In contrast, Standard backplane connectors have been developed over a period of time in order to offer a more cost-effective solution. They offer the same level of protection and reliability as the Hard Metric connectors, but are less expensive. The Standard backplane connectors are typically used in PC-based applications, where the requirements are not as demanding. These connectors have a lower current/voltage carrying capacity than the Hard Metric connectors, but can still meet most low to medium level requirements.

The installation of the backplane connectors is very simple and straightforward. For Hard Metric connectors, they are inserted into a series of pre-drilled holes in the PCB and then the pins are pressed until they click into place. Once they are in place, no further tightening is required. Standard connectors are inserted in a similar way but require a screwdriver to secure the pins. The connection is then tested using a continuity tester to ensure the electrical connection is good.

The overall working principle of the backplane connectors is to create a strong and reliable connection between two electronic components. The Hard Metric and Standard backplane connectors are designed to provide a robust connection that can transfer the voltage and current between components quickly and reliably. This type of connection offers protection from vibration and shock and is a highly reliable type of connection that is widely used in a variety of applications.

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