Molex, a global leader in electronic components, is pushing the boundaries of high-speed connectivity with its innovative zCD™ interconnect system. Designed to support next-generation applications in telecom, networking, and enterprise computing, the zCD system will be showcased at DesignCon 2014 in Santa Clara, California, at booth #117. This advanced technology is capable of delivering up to 400 Gbps data rates—25 Gbps per channel across 16 channels—while maintaining excellent signal integrity, EMI protection, and thermal management.
Joe Dambach, Molex’s global product development manager, emphasized the importance of this innovation: “As network bandwidth continues to grow, meeting the demands of high-speed applications has become a top priority for the industry. The zCD interconnect system offers a superior form factor that enables 400 Gbps technology to be widely adopted.â€
The zCD connector comes in two versions: a short form for passive or active copper and a long form for active optical cables (AOC) or transceivers. It features a 0.75 mm pitch with a straight back-route footprint. A resilient washer helps manage EMI, while the press-fit design simplifies board termination and ensures durability.
For passive copper solutions, the zCD system delivers industry-leading bandwidth density with 32 pairs (16 channels) per I/O port at 25 Gbps. This dual switch card setup improves crosstalk performance and includes an embedded microcontroller for custom host management via the I2C bus. The harness uses 30 AWG Twinax cables, offering greater flexibility and bend radius for short-range 400 Gbps Ethernet and legacy applications.
Molex’s AOC components based on zCD connectors leverage single-mode silicon photonics, providing a compact interface with 16 bidirectional channels or 400 Gbps bandwidth at up to 28 Gbps. These hot-swappable modules allow for easy insertion and removal without system downtime. Module I/O equalization optimizes performance for individual host systems, and with a transmission range of up to 4 km, they offer a cost-effective and power-efficient alternative to traditional long-haul optical modules. They are ideal for 400 Gbps Ethernet, InfiniBand*, and proprietary protocols.
Dambach added, “The zCD interconnect system provides a high level of integration, performance, and reliability for customers requiring 400 Gbps bandwidth with up to 25 Gbps per channel.â€
Molex is also a founding member of the CDFP Multi-Source Agreement (MSA), which defines and promotes interoperable 400 Gbps hot-swappable modules, ensuring compatibility and standardization across the industry.
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