The working principle of CoaXPress cable can be understood from the following aspects:
Coaxial cable structure
CoaXPress cable usually adopts coaxial cable structure, that is, the central conductor (usually copper wire) is wrapped by insulating material, and then surrounded by a metal shielding layer and an outer insulating layer. This structure enables the cable to minimize electromagnetic interference when transmitting data, providing clear and stable signal transmission, especially suitable for complex applications in industrial environments.
High-speed data transmission
The core advantage of the CoaXPress standard lies in its high bandwidth characteristics. CoaXPress cable can achieve a transmission rate of up to 6.25 Gbps per channel through multi-channel signal transmission, so when supporting devices such as CXP-12 (12.5 Gbps) and CXP-6 (6.25 Gbps), it can efficiently transmit high-definition video streams and large-scale data. In image acquisition systems, this high-speed transmission ensures the transmission of real-time images without delays or freezes.
Power supply function
CXP cable not only transmits data, but also provides power to connected devices. Especially in machine vision applications, CoaXPress supports 5V or 12V power supply for cameras or other sensors through the same cable, which makes the system more simplified and reduces the need for multiple cables. The power supply capacity of the cable makes installation more flexible and reduces the complexity of wiring.
Bidirectional communication and control signals
In addition to transmitting data, CXP cables can also transmit control signals. In image acquisition systems, control signals are mainly used to trigger and configure cameras to ensure the synchronization of data transmission and device operation. The CoaXPress standard supports bidirectional communication, which can transmit data streams and instruction streams at the same time, increasing the interaction and flexibility between devices.
Compatibility and scalability
CoaXPress cables are compatible with various image acquisition devices, sensors and processing systems. Its supported versions include CXP-6 (6.25 Gbps), CXP-12 (12.5 Gbps), etc., which can meet the bandwidth requirements of different applications. Moreover, with the continuous development of the CXP standard, the scalability and performance of CoaXPress cables are also constantly improving to meet the needs of image transmission with higher resolution and faster frame rate.

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