Installation Guide

Table Of Contents
The 128-Gbps ports are on VIM1-SummitStack256 modules in Summit X650 series switches. The 20-
Gbps ports are on one of the following:
VIM1-10G8X module installed in a Summit X650 series switch
VIM1-SummitStack module in a Summit X650 series switch
VIM2-SummitStack module in a Summit X480 series switch
Rear panel of Summit X250e, X450, X450a, or X450e series switches
To connect a SummitStack 128G/20G cable, follow these steps:
1. Connect the 128-Gbps connector to the VIM1-SummitStack256 module as follows:
a. Holding the cable connector with the release tab on top, align the connector with the stacking
port on the VIM1 module in the Summit X650 series switch.
Figure 233: Connecting the 128G Connector
b. Firmly press the cable connector into the stacking port until the spring latch on top of the
connector clicks into place.
2. Connect the 20G connector as follows:
a. Align the cable connector with the stacking port connector on the rear of the switch (see Figure
234).
b. Firmly press the cable connector into place on the mating stacking port connector.
Connecting Stacking Cables
Building Stacks
304 Summit Family Hardware Installation Guide