Cabletron Systems DLE32-MA, DLE33-MA, DLE22-MA, DLE23-MA manual Troubleshooting Checklist

Chapter 4: Troubleshooting

4.3TROUBLESHOOTING CHECKLIST

If the DLE2X-MA or DLE3X-MA 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
	Loss of power to the	Check the proper connection
		of the power cable and its
	DLM6C-AA chassis.
		access to a live outlet.
All LEDs are OFF.
	DLE3X-MA or
	DLE2X-MA not properly	Check the installation.
	installed.
	Autobaud enabled. But	Press ENTER (RETURN)
	baud rate has not yet
		(may take up to four times).
No Local	been sensed.
Management	Terminal setup is not	Refer to Chapter 5 for proper
Password screen.	correct.	setup procedures.
	Improper console cable	Refer to Appendix A for
	pinouts.	proper console port pinouts.
	Improper Community	Refer to Chapter 5
		for Community Names Table
	Names Table.
Cannot contact the		setup.
DLE32-MA or
	DLE2X-MA or	Refer to Chapter 5 for IP
DLE22-MA from
	DLE3X-MA does not	address assignment
in-band
	have an IP address.	procedure.
management.
	Port is disabled.	Enable port.
	No link to device.	Check link to device.
Port(s) goes into	DLE2X-MA or	Review network design and
standby for no	DLE3X-MA detects a
		delete unnecessary loops.
apparent reason.	looped condition.
User parameters (IP	Mode switch (7),
address, Device and	NVRAM Reset, was
Module name, etc.)	changed sometime
are lost when the	before either cycling	Reenter the lost parameters
DLE2X-MA or	power or pressing the	as necessary. Call your
DLE3X-MA is	RESET button, causing	DIGITAL representative if
powered down or	the user-entered	problem continues.
the front panel	parameters to reset to
RESET button is	factory default settings.
pressed.

4-6 DLE22-MA, DLE32-MA, DLE23-MA and DLE33-MA User’s Guide