Cannot Connect To A Server; Diagnostics Pass But Connection(S) Fail - Nortel 2340 Installation Manual

52 Troubleshooting
• Have any of the fan motors stopped? Use the server management subsystem to check the fan status.
• Have your fans speeded up in response to an overheating situation?
• Have your fans speeded up in response to a fan that has failed?
• Are the fan power connectors properly connected to the front panel board?
• Is the cable from the front panel board connected to the both the front panel board and to the server board?
• Are the power supply cables properly connected to the server board?
• Are there any shorted wires caused by pinched-cables or have power connector plugs been forced into power
connector sockets the wrong way?

Cannot Connect to a Server

• Make sure the network cables are securely attached to the correct connectors at the system front or back panel.
• Try different network cables.
• Make sure you are using the correct and the current drivers. Make sure the driver is loaded and the protocols are
bound.
• Make sure the hub port is configured for the same duplex mode as the network controller.
• Make sure the correct networking software is installed.
• If you are directly connecting two servers (without a hub), you will need a crossover cable.
• Check the network controller LEDs next to the NIC connectors for activity.

Diagnostics pass but connection(s) fail

• Make sure the network cables are securely attached.
• Make sure you specify the correct frame type in your NET.CFG file.The server hangs when the drivers are loaded
NN47250-306 (324121-A Version 01.01)