This sub-specification of COBO (Consortium for On-Board Optics) defines the characteristics of COBO Compliance Boards (CCB), which are used for electrical and optical testing of COBO networking equipment. The CCB includes a Host Compliance Board (HCB) and a Module Compliance Board (MCB) which support 400GAUI-8 C2M interfaces.

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HCB-MCB Compliance Boards

FireFly™

The COBO connector system is ideal for on-board optics applications due to its flexibility, excellent signal integrity, and cost-effective design. It consists of a card-edge connector for the high-speed function and a one-piece z-axis connector for management interface and power contacts (modified Samtec UCC8 latching receptacle).

The high-speed card-edge connector is specified to support ×8 and ×16 channel requirements. The signal integrity (SI) performance of the connector system supports the COBO requirement of operation at 56 Gbps PAM4 signaling.

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UCC8

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