Spine
ToR Switch
Core Data Fabric
Data Downlink
TX+
TX-
RX+
RX-
TX2+
TX2-
RX2+
RX2-
QSFP28
TX+
TX-
RX+
RX-
Spine Switch Connector
TX2+
TX2-
RX2+
RX2-
TX+
TX-
RX+
RX-
GPU Compute Rack Top of Rack Switch Connector
TX+
TX-
RX+
RX-
Storage Rack Top of Rack Switch Connector
TX+
TX-
RX+
RX-