IBM x3655 - System - 7985 User Manual

Also see for System x3655 Type 7985: Installation guide Service guide

Contents

To install a power supply, complete the following steps:1. Read the safety information that begins on page v and “Installation guidelines”on page 23.2. Remove the power-supply blank from the empty power-supply bay by pinchingthe side clip and pulling the power-supply blank from the bay. Save thepower-supply blank in case you remove the power supply at a later time.Important: During normal operation, each power-supply bay must have either apower supply or power-supply blank installed for proper cooling.3. Slide the power supply into the bay until the retention latch clicks into place.4. Remove the server cover and install the five cooling fans that came with thepower supply option (see “Installing a fan”).Important: When power supply 1 is installed, the five fans for power supply 1occupy the rear row only (fans 3, 4, 8, 9, and 10); when both power suppliesare installed, all 10 fans must be installed.5. Install the cover (see “Installing the cover” on page 62).6. Connect the power cord for the new power supply to the power-cord connectoron the power supply.The following illustration shows the power-supply connectors on the back of theserver.Power cordconnectorsPower supply 1Power supply 27. Route the power cord through any cable clamps on the rear of the server, toprevent the power cord from being accidentally pulled out when sliding theserver in and out of the rack.8. Connect the power cord to a properly grounded electrical outlet.9. Make sure that the dc power LED and ac power LED on the power supply arelit, indicating that the power supply is operating correctly.Installing a fanFor proper cooling, the server requires five fans installed for each hot-swap powersupply installed.The server comes with five replaceable fans. If you install a second hot-swap powersupply, you must install the set of five fans that come with the power-supply option.Important: Only the configurations shown in the following table are supported:Installed power supplies Required fansPower supply 1 Fans in locations 3, 4, 8, 9, and 10Power supplies 1 and 2 All 10 fansChapter 2. Installing optional devices 59