When it comes to interface standards, connectors are often included as part of the solution. At first glance, this may seem straightforward—limited options would keep things simple and avoid complexity in design, purchasing, or upgrading. However, without proper control, a system can easily support over 100 different connector types, leading to confusion and unnecessary risks during implementation.

To address this challenge, CoaXPress provides an effective solution by managing connector options while maintaining alignment with design requirements—without making the choices overly extensive. As technology advances, there’s been growing demand for additional connectors. These include higher-speed interfaces and ruggedized versions suitable for demanding environments. Thanks to close collaboration with the CoaXPress working group, these additions have been carefully integrated into the standard.

The Role of DIN Connectors in CoaXPress

When CoaXPress version 1.1 was released in April 2013, one of its most significant upgrades was support for the DIN connector alongside the existing BNC connector. This change came at a time when more products were transitioning to multi-pin DIN connectors due to their versatility and adaptability to evolving requirements.

DIN connectors are particularly relevant as speeds exceed the current CoaXPress (CXP) standard of 6.25 Gbps. In most cameras using the CoaXPress interface, a DIN 1.0/2.3 connector (IEC 61169-29) is commonly employed for its robustness and compatibility with future iterations.

Push-Pull Locking Mechanism: Pros and Challenges

The standard push-pull locking mechanism used for DIN connectors allows users to connect or disconnect cables by pushing the sleeve toward the receptacle. While this design simplifies installation, it doesn’t prevent slight movement due to gaps between the connector’s inner components and casing.

For many applications where shock or vibration isn’t a concern, this minor play poses no issue. However, in environments like global security systems that rely on stable connections, even small movements can lead to signal interruptions or contact burnout with Power over CoaXPress (PoCXP).

Upcoming Enhancements: Screw-Lock DIN Connectors

The next iteration of the CoaXPress standard will introduce screw-lock DIN 1.0/2.3 connectors—designed specifically for rugged environments. These connectors use a mechanical coupling system consisting of an external thread on the socket and matching nut on the plug, tightened manually to ensure secure connections.

Available Screw-Lock DIN Connectors

Here are some manufacturers providing screw-lock DIN 1.0/2.3 connectors compatible with CoaXPress version 1.1 cameras and frame grabbers:
Manufacturer Type Number Cable
Components Express CX-401-1-401-XX CEI CXP Type 1
Cambridge Connectors NPF5051 issue 1.1 Belden 1855A
Radiall R20150713 RG179
PacificWestAmerica RD-C-20151008-01 Belden 1855A
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Last Updated: 2025-09-04 20:49:32