Connecting Hardware Devices Installing extended depth devices 839 Position the rails on the auto loader and secure with two screws.Attaching rails to the auto loader10 Position the auto loader half-way into the empty device bays, then connect the powerand signal cables.11 Slide the auto loader into the device bay until the rail latches click, indicating that thedevice is locked into position.Inserting the auto loader12 If your server is equipped with an EPS-R power supply, reinstall the exhaust fanmodule removed in step 2. For instructions, see Removing and replacing the primaryexhaust fan on page 60.13 Reinstall the access panel, reconnect all signal and power cables, then turn on theserver. For instructions, read steps 7 through 10 in Maintenance overview on page53.HINT: There are three types of predrilled holes on each rail. In most cases you willuse the round holes when securing the rails to the auto loader.CAUTION: Be careful not to pinch any cables as you slide the auto loader intoposition.