Extreme Networks Summit X150 Series Hardware Installation Manual page 146

Ports S3 and S4 can be used as alternate stacking ports in a SummitStack configuration that uses the
SummitStack-V feature. For more information about stacking Summit family switches, see
Family Switches.
VIM2-SummitStack Versatile Interface Module
The VIM2-SummitStack module provides two high-performance stacking ports that allow you to
combine multiple units into a single SummitStack management entity.
For more information about configuring and operating a SummitStack configuration, refer to the
ExtremeXOS Concepts Guide and the ExtremeXOS Command Reference Guide.
Figure 132: VIM2-SummitStack Versatile Interface Module
VIM2-SummitStack128 Versatile Interface Module
The VIM2-SummitStack128 versatile interface module provides two 64-Gbps SummitStack stacking
ports.
To connect these ports, you must use stacking cables with compatible connectors, available from
Extreme Networks.
Figure 133: VIM2-SummitStack128 Versatile Interface Module
VIM2-SummitStack-V80 Versatile Interface Module
The VIM2-SummitStack-V80 versatile interface module provides two unpopulated cages for QSFP+
optical modules or QSFP+ compatible active or passive cables.
These ports support 20-Gbps bidirectional stacking connections.
Summit Family Hardware Installation Guide
Summit Option Cards and Versatile Interface Modules
Summit
146