Cabletron Systems Troubleshooting Checklist, 6H122-08 User’s Guide, Problem, Possible Cause

Chapter 4: Troubleshooting

4.3TROUBLESHOOTING CHECKLIST

If the 6H122-08 is not working properly, refer to Table 4-4for a checklist of possible problems, causes, and recommended actions to resolve the problem.

Table 4-4 Troubleshooting Checklist

Problem	Possible Cause	Recommended Action
		Check the proper
	Loss of Power to the 6C105	connection of the power
All LEDs are OFF.	chassis.	cable and its access to a
		live outlet.
	The 6H122-08 not properly	Check the installation.
	installed.
	Autobaud enabled.	Press ENTER (RETURN)
		(may take up to four times).
No Local
	Terminal setup is not	Refer to Chapter 5 for
Management
	correct.	proper setup procedures.
Password screen.
	Improper console cable	Refer to Appendix A for
	pinouts.	proper console port pinouts.
	Improper Community	Refer to Section 5.8
		for Community Names
	Names Table.
		Table setup.
Cannot contact the
		Refer to Section 5.15.1 for
6H122-08 from	The 6H122-08 does not
in-band		IP address assignment
	have an IP address.
management.		procedure.
	Port is disabled.	Enable port.
	No link to device.	Check link to device.
Port(s) goes into	The 6H122-08 detects a	Review network design and
standby for no
	looped condition.	delete unnecessary loops.
apparent reason.
User parameters	Mode switch (7), NVRAM
(IP address,	Reset, was changed
Device and	sometime before either	Reenter the lost parameters
Module name,	cycling power or pressing
		as necessary. Call the
etc.) are lost when	the RESET button, causing
		Cabletron Systems Global
the 6H122-08 is	the user-entered
		Cal Center if problem
powered down or	parameters to reset to
		continues.
the front panel	factory default settings.
RESET button is	Clear NVRAM was set
pressed.	through Local Management.

4-6 6H122-08 User’s Guide