In April 2013, CoaXPress version 1.1 was released, enabling the development of products based on this standard. For detailed specifications, refer to the JIIA website at http://jiia.org/en/topics/185/.

This year is poised to be a significant milestone for CoaXPress, as highlighted by Bitflow. To mark this occasion, let’s explore some key changes introduced in version 1.1.

Clarity and Terminology Improvements

One of the primary goals of version 1.1 was to address ambiguities and inconsistencies from previous iterations. For example:

  • v1.0 referred to a single coaxial cable as a “Link.”
  • v1.1 renamed this concept to “Connection,” aligning terminology more closely with common usage. Additionally, v1.1 redefined the term for a master connection plus extension cables, which was also previously called a “Link” in v1.0 but now has a different meaning.

These changes were implemented to avoid confusion caused by varying interpretations across standards and applications.

Alignment with GenICam Standards

Version 1.1 was updated to align with the latest iterations of the GenICam standard, ensuring compatibility and consistency within the machine vision ecosystem. For further insights into how GenICam integrates with CoaXPress, consult http://info.adimec.com/blogposts/bid/96624/The-Role-of-GenICam-with-CoaXPress/.

Physical Layer Requirements

A notable improvement in v1.1 is a slight relaxation of the physical layer requirements compared to earlier versions. Importantly, this change does not affect existing v1.0 products because they already comply with these less stringent standards by default. This ensures backward compatibility while improving overall system design flexibility.

Packet Priority and Discovery Procedure

v1.1 introduced enhancements to packet priority schemes for better data management during high-speed operations. Furthermore, the discovery procedure now allows systems to automatically switch to a high-speed connection only if all components support it (detailed in standard v1.1 §10.1.4). This feature streamlines system integration and reduces unnecessary overhead.

New DIN Connectors

A major addition in version 1.1 is the support for new DIN connectors alongside existing BNC connectors. As speeds increase beyond the current capacity, DIN connectors are expected to become increasingly common due to their multi-port capabilities and suitability for future CoaXPress iterations (including upcoming higher-speed versions).

Future Developments: Version 1.2

Scheduled for release in Q4 2014, version 1.2 will introduce faster data rates per cable (up to 12 Gbps), GenICam updates, and other enhancements. Demonstrator products are expected at the Vision Show in Stuttgart, Germany, in November 2014.

Resources for Further Learning

For an in-depth comparison of CoaXPress with other machine vision standards, download our free eBook on the topic. Additionally, explore related blogs discussing CoaXPress innovations and its role in multi-camera systems.

Last Updated: 2025-09-04 19:51:39