Alcatel OS6850-48 User Guide - Page 141

OmniSwitch 6850/6850E Series Power Supplies OmniSwitch 6850/6850E Series Power Supplies 3 Carefully slide the power supply on to the power shelf and secure the power supply to the shelf using the captive screws. Tighten these screws to secure the power supply. Attaching a Power Supply to the Power Shelf Note. A single large (i.e. 510W) power supply or up to two smaller (i.e. 126W) power supplies can be attached to a power supply shelf. 4 After the rack-mount flanges and the power supply are secured to the shelf, mark the holes on the rack where the shelf is to be installed. 5 Lift and position the shelf until the rack-mount flanges are flush with the rack post. 6 Align the holes in the flanges with the rack holes that were marked earlier. 7 Once the holes are aligned, insert a rack mount screw (not provided) through the bottom hole of each flange. Tighten both screws until they are secure. Attaching the Power Shelf to the Rack Note. Be sure to install the screws in the bottom hole of each flange, as shown, before proceeding. OmniSwitch 6850/6850E Series Hardware Users Guide June 2011 page 4-13