GTM111/112/117/118: QSFPDD3/4 - UG1582

VPK180 Evaluation Board User Guide (UG1582)

Document ID
UG1582
Release Date
2025-06-30
Revision
1.3 English

[Figure 1, bottom and lower left callout 14]

The Versal device (U1) banks 111/112 GTM transceivers are wired to the QSFPDD3 connector J355. The Versal device (U1) banks 117/118 GTM transceivers are wired to the QSFPDD4 connector J354. The connectors are Molex connector 2147334000, rated at 112 Gb/s per lane.

The transceivers are wired in an optimized pattern to be operated at 56 Gb/s per lane. This configuration was chosen to provide 400GAUI-8 functionality.

For connectivity details, see the table in the Transceivers section and schematic page 58. See the Versal Adaptive SoC GTM Transceivers Architecture Manual (AM017) for more details on GTM-Quad configurations.