VCU118 Board User Guide 72
UG1224 (v1.5) March 15, 2023
Chapter3: Board Component Descriptions
For additional information about UltraScale PCIe functionality, see UltraScale Architecture
Gen3 Integrated Block for PCI Express LogiCORE IP Product Guide (PG156) [Ref 8]. Additional
information about the PCI Express standard is available at the PCI Express® standard
website [Ref 23].
28 Gb/s QSFP+ Module Connectors
[Figure 2-1, callout 18]
The VCU118 board contains two quad (4-channel) small form-factor pluggable (28 Gb/s
QSFP+) connectors, QSFP1 U145 and QSFP2 U123, which accept 28 Gb/s QSFP+ optical
modules. Each connector is housed within a single 28 Gb/s QSFP+ cage assembly.
Figure 3-13 shows the 28 Gb/s QSFP+ module connector circuitry.
X-Ref Target - Figure 3-13
Figure3‐13: 28 Gb/s QSFP+ Module Connectors
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