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6
T
ROUBLESHOOTING
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:
1 Enter monitor mode, as explained in “Entering the Monitor” on
page C-1.
2 At the monitor prompt (>), enter
fc
to start the Firmware Configuration
Utility.
3 Type
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.”
4 Press the reset switch to reboot the server in monitor mode.
CS2500BookFile : Troubleshooting Page 1 Thursday, December 11, 1997 10:44 AM