6 TROUBLESHOOTING

If your communications server does not start up as described in Chapter 3, “Startup,” or fails during operation, review the following troubleshooting hints. If you cannot solve the problem, contact 3Com or your network supplier. Refer to Appendix D, “Technical Support,” for technical support information.

Startup Problems This section lists problems the CS/2500 series server can experience during its startup sequence (self-test and boot processes). These problems are indicated by abnormal behavior of front-panel LEDs or by error messages on the console.

To enable error reporting on the monitor port, do the following:

1Enter monitor mode, as explained in “Entering the Monitor” on page C-1.

2At the monitor prompt (>), enter fc to start the Firmware Configuration Utility.

3Type C to change parameters. Set the Monitor parameter to “Enabled” and the Initial Boot Source parameter to “Monitor.”

For more information on the Firmware Configuration Utility, refer to Chapter 4, “Configuration.”

4Press the reset switch to reboot the server in monitor mode.

Page 81
Image 81
3Com CS/2500 manual Troubleshooting