2-211991-4

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ARINC 2-211991-4 is an international standardized set of guidelines for backplane connectors and systems designed to improve system performance and reliability. The guidelines provide for the maximum level of interoperability between the different types of backplane connectors as well as the different types of system hardware components.

The ARINC 2-211991-4 standard covers a wide range of backplane application fields including aerospace, military, telecommunications and data processing. The standard defines the electrical and physical requirements for the types of connectors, as well as the type of systems they can be used with. ARINC 2-211991-4 also defines the shield and ground configurations.

Backplane connectors are used to connect electrical equipment to each other. These connectors are designed to provide reliable and high-speed communications between system components. ARINC 2-211991-4 defines how backplane connectors should be used in various application fields. In particular, it covers the types of connectors and systems needed to use these connectors in aircraft, ships, submarines, satellites and military systems. It also provides guidelines on how to select and install the connectors.

On the level of electrical interface, the standard requires the use of differential signals in order to ensure signal integrity. This ensures that the signal is not distorted by external interference. The connector must also meet specifications for voltage, current ratings, noise and impedance. Additionally, it must also provide for reliable electrical contact and good thermal conduction.

Physical requirements are also specified in the standard. These include requirements for size and shape, environmental protection, vibration isolation, and shielded cable requirements. The requirements are designed to ensure that the backplane connectors will not be damaged when they are subjected to varying environmental and mechanical conditions.

The ARINC 2-211991-4 standards also cover the types of host systems that are compatible with the connector. These include servers, switches, routers, and other network hardware. The requirements specify the type of connector, type of system bus, connector size, and the number of ports that must be supported.

The working principle of the ARINC 2-211991-4 standard works by splitting the system into multiple modules, which are then connected together via the backplane connectors. This allows each of the modules to be controlled individually and more reliably than if they were directly connected to the main system. This also ensures that the system performance is improved since the number of connections is significantly reduced. This is particularly important for high speed networks, where the latency between two modules has more significant effects on overall performance.

Overall, the ARINC 2-211991-4 standard provides specifications that ensure that backplane connectors used in the various application fields are reliable, rugged, and provide the highest level of performance and interoperability. By following the standards, companies can ensure that the performance and reliability of their systems is as good as possible.

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