1-3Installing the 9C500 Plus Power Box5. Ensure the power supply wiring is routed away from sharp edges.6. Power up the power supplies.Installing the Power BoxComplete the installation of the first power box by following the steps below:1. Remove the unit from the shipping box. (Save the shipping box and packingmaterials in the event the power box must be reshipped.)2. Remove the unit from the plastic bag and check for damage. If any damageexists, DO NOT attach the unit. Contact Cabletron Systems Technical Supportimmediately.3. Remove the accessory package.4. Line up the four holes in the frame of the power box with four correspondingholes on the equipment rack (take care to properly align the holes).5. Secure the power box to the equipment rack using four bolts shipped with theequipment rack.Connecting Auxiliary Power CordThere are two auxiliary power source connectors on the back of the SmartSwitch9000 Chassis. The power supply number that displays on the LCD of the 9C300-1Environmental Module (EM) and local or remote management screens is afunction of the connection made from the power box to one of these connectors.If the connection is made to the right auxiliary power source connector(Figure 1-1), the power supply in the right side of the power box is number 3 andthe power supply in the left side is number 4.If the connection is made to the left auxiliary power source connector (Figure 1-1),the power supply in the right side of the power box is number 5 and the powersupply in the left side is number 6.Using the auxiliary power cord, accessories supplied with the power box, andreferring to Figure 1-1, connect the auxiliary power cord from the power box tothe auxiliary power source connector on the back of the chassis by following thesteps below:If you are installing more than one power box in an equipment rack, to preventtipping, the SmartSwitch 9000 Chassis should be moved to the bottom of the rackbefore installing the power boxes; or the rack should be secured to the floor.NOTE