Plug-in, key-guided coupling mechanism enables highly repeatable, low-loss connections. The guided fit ensures precise alignment with each mating, reducing insertion loss and improving reliability across repeated use. Compatibility and versatility - Suitable for single-core, dual-core and multi-core accessories - Supports both standard designs and special/custom designs for broad applicability 2-3 practical use scenarios - In lab test benches and equipment racks where connectors are mated frequently, ensuring consistent signal integrity during repeated cycles. - In systems that use mixed core configurations (single, dual, and multi-core) and require quick, reliable connections regardless of design type. - In field service or maintenance tasks involving devices with standard or custom connectors, enabling fast and dependable hookups with minimal rework. Key attributes - Function: plug-in, key-guided coupling for accurate, repeatable connections - Compatibility: works with single-core, dual-core, and multi-core accessories and supports standard and special designs - Performance: low-loss connections with reliable repeatability - Design intent: streamlined plug-in operation with guided alignment for dependable use in varied configurations