DUA1640-5AAA02Connecting PS Hubs Together (Stacking) 3-15Using Hot SwapCascade UnitsTo connect PS Hubs together, using Hot Swap Cascade Units:1 Position the units as required; rack mounting or wall mounting them asnecessary.2 Connect the Hot Swap Cascade Units with cascade cables:n Connect the cables’ connectors marked UP to the UP ports on theHot Swap Cascade Units.n Connect the cables’ connectors marked DOWN to the DOWN portson the Hot Swap Cascade Units.Secure the cables by tightening the cables’ captive screws as tight aspossible by hand.3 Starting at the bottom, connect the bottom Hot Swap Cascade Unit tothe UP and DOWN port of the unit. Secure the Hot Swap Cascade Unitin place by tightening its long captive screws as tight as possible byhand.4 Continue up the stack, repeating step 3 for each unit, as shown inFigure 3-6.Figure 3-6 Connecting PS Hubs Together Using Hot Swap Cascade UnitsDOWNDOWNUPUP
