Chapter 3. InstallationGFK-2737F December 2016 313.3.4 Module Installation RX3i rack power must be turned off. ThePNS does not support insertion/removalwhile power is applied to the rack.Figure 6: Install Module into RX3i Backplane Holding the module firmly, align the modulewith the correct slot and connector. Engage the module’s rear pivot hook in thenotch on the top of the backplane (1). Swing the module down (2) until themodule’s connector engages thebackplane’s backplane connector. Visually inspect the module to be sure it isproperly seated. Secure the bottom of the module to thebackplane using the machine screwsprovided with the module (3). Tighten the heat sink screw on the front ofthe module in the threaded hole in the backplate to 6 in-lbs (0.68 Nm), using a flat-tipscrewdriver.3.3.5 Module Removal RX3i rack power must be turned off.Figure 7: Remove Module from RX3i Backplane Loosen the heat sink screw on the front ofthe module to release the heat sink fromthe backplane’s aluminum back plate. Loosen the screws at the bottom of themodule (1). Pivot the module upward until its connectoris out of the backplane (2). Lift the module up and away from thebackplane to disengage the pivot hook (3).
