8Contents
Replacing Sled Modules in the Server
Enclosure. . . . . . . . . . . . . . . . . . . . . . . . 230
Installing the External PDU into the Rack. . . . . . . 231
Connecting the Power Cables. . . . . . . . . . . . . 237
Connecting the Power Cables to the
Server Enclosure with Internal
Power Source. . . . . . . . . . . . . . . . . . . 237
Connecting the Power Cable to the
Server Enclosure with External
Power Source. . . . . . . . . . . . . . . . . . . 238
Connecting the Server Enclosure to
a Rack PDU. . . . . . . . . . . . . . . . . . . . . . . 239
Connecting a Network Switch to
a Rack PDU. . . . . . . . . . . . . . . . . . . . . . . 242
Connecting the PDU to the Network. . . . . . . . . . 243
Powering Up the Systems . . . . . . . . . . . . . . . 246
5 Troubleshooting. . . . . . . . . . . . . . . . . . . 251
Safety First—For You and Your System . . . . . . . . 251
Installation Problems . . . . . . . . . . . . . . . . . 251
Troubleshooting System Startup Failure. . . . . . . . 252
Troubleshooting External Connections . . . . . . . . 252
Troubleshooting the Video Subsystem. . . . . . . . . 252
Troubleshooting a USB Device . . . . . . . . . . . . 252
Troubleshooting a Serial I/O Device. . . . . . . . . . 253
Troubleshooting a NIC. . . . . . . . . . . . . . . . . 254