Extreme Networks Summit X150 Series Hardware Installation Manual page 212

Maintenance Procedures for Summit X650 and Summit X480 Series Switches
5 Install the replacement VIM in the switch
a Make sure the inserter/ejector levers are rotated down.
b Carefully slide the module into the switch until the inserter/ejector levers begin to rotate upward.
c Simultaneously rotate both levers upward to seat the module internal connectors.
d Insert and tighten the retaining screws you removed earlier.
Figure 181: Installing a VIM1 Module (VIM1-SummitStack Module Shown)
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(Figure 181):
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Summit Family Switches Hardware Installation Guide