Cabletron Systems 8H02-16 manual Troubleshooting Checklist

Troubleshooting Checklist

4.3TROUBLESHOOTING CHECKLIST

If the 8H02-16 is not working properly, refer to Table 4-4 for a checklist of possible problems, causes, and recommended actions to resolve the problem.

Table 4-4 Troubleshooting Checklist

Problem	Possible Cause	Recommended Action
All LEDs are OFF.	Loss of Power to the	Check the proper connection
	8H02-16.	of the power cable and its
		access to a live outlet.
	8H02-16 not properly	Check the installation.
	installed.
No Local	Autobaud not enabled.	Press ENTER (RETURN)
Management		(may take up to four times).
Password screen.
	Terminal setup is not	Refer to Chapter 5 for proper
	correct.	setup procedures.
	Improper console cable	Refer to Appendix A for
	pinouts.	proper console port pinouts.
Cannot contact the	Improper Community	Refer to Chapter 6
8H02-16 from	Names Table.	for Community Names Table
in-band		setup.
management.
	8H02-16 does not have	Refer to Chapter 6 for IP
	an IP address.	address assignment
		procedure.
	Port is disabled.	Enable port.
	No link to device.	Check link to device.
Port(s) goes into	8H02-16 detects a	Discuss these configurations
standby for no	looped condition.	with Cabletron Systems
apparent reason.		Technical Support before
		implementing them into your
		network.
User parameters	Position of the NVRAM	Reenter the lost parameters
(IP address, Device	RESET switch was	as necessary. Call Cabletron
and Module name,	changed before the last	Systems Technical Support if
etc.) are lost when	power down or pressing	problem continues.
the 8H02-16 is	of the RESET button,
powered down or	causing the user-entered
the front panel	parameters to reset to
RESET button is	factory default settings.
pressed.

8H02-16 User’s Guide 4-5