Connecting the cablesYou must turn off the server (see “Server power features” on page 12) beforeconnecting any cables to or disconnecting any cables from the server.See the documentation that comes with optional devices for additional cablinginstructions. It might be easier for you to route cables before you install certainoptions.Cable identifiers are printed on the cables that come with the server and options.Use these identifiers to connect the cables to the correct connectors.For details about the location and function of the input and output connectors, see“Server controls, connectors, LEDs, and power” on page 9.Two optional SMP Expansion cable kits are available to interconnect the SMPExpansion Ports of two or more servers:v 2.3 m XpandOnDemand ™ Scalability cable kit (comes with one 2.3-m (7.6-foot)SMP Expansion cable)v 2.9 m XpandOnDemand Scalability cable kit (comes with one 2.9-m (9.5-foot)SMP Expansion cable)The following illustrations show the locations of the input and output connectors onthe server. Detailed cabling instructions are in the Rack Installation Instructions thatcome with the server.Rear viewSP serialSystem serialKeyboardMouseSP Ethernet 10/100Gigabit Ethernet 2Gigabit Ethernet 1USB 1 USB 2IXA RS 485Power-supplyVideoSMP expansion port 1SMP expansion port 2SMP expansion port 3Front viewPower-control buttonPower-on LEDUSB connectorHard disk drive activity LEDInformation LEDSystem-error LEDLocator LEDRelease latch48 IBM System x3950 Type 8878 and System x3950 E Type 8879: User’s Guide
