The expansion ports provide capabilities to add additional QSFP-DD connections and sideband control. These ports consist of the following:
- Two high-speed SAMTEC ARF6-16-S-D-A connectors (see https://www.samtec.com/) providing 16 expansion GTF TX/RX pairs over cable using the SAMTEC ARF6 solution.
- One PicoClasp 10-pin connectors for sideband signals (Molex 5044491007 part).
- The TX lanes are AC coupled, which allows multiple cards to be interconnected.