The SFP28_HT3 daughter board includes FireFly transceiver connectors that support up to high-speed serial links over three FireFly cables.

     The SFP28_HT3 daughter board includes SFP28,SFP28 is a 25 Gbit/s interface which has evolved from 100 Gigabit Ethernet,which is typically implemented with 4 × 25 Gbit/s data lanes.

Synopsys

    The world's largest electronic design automation tools and services

https://www.synopsys.com/verification/prototyping/haps/haps-connect-program.html

Third-Party Daughter Board and Services for HAPS Systems  

The HAPS Connect Program expands the choice of HapsTrak and Multi-Gigabit board and service offerings available for HAPS systems.

The HAPS Connect Program helps customers to:

·         Develop HAPS prototypes faster by leveraging compatible daughter boards from leading industry hardware

       vendors

·         Reduce project risk by taking advantage of hardware and services from vendors with HAPS system expertise

·         Save on prototype development costs and resources by using products and services tailored for HAPS systems

SFP28_HT3 daughter board consists of:

                 •       1 12-pin PMOD Connector

                  •       2 pairs of Differential MMCX Clock Connectors (for GlobalClocks)

                  •       1 SFP28

                  •       1 FIREFLY Connectors

               •          1 HT3 Connectors