Cabletron Systems manual Troubleshooting Checklist, EMM-E6 Installation Guide, Condition

Chapter 4: Troubleshooting

4.2TROUBLESHOOTING CHECKLIST

If your EMM-E6 is not operating properly, the following checklist describes some of the problems that may occur with the EMM-E6 installed in an MMAC, possible causes for the problem, and suggestions for resolving the problem.

Table 4-2 Troubleshooting Checklist

Condition	Possible Cause	Recommended Action
		Check the proper installation of the
		MMAC power supply module and
		its access to a live outlet. Check
		power cables for viability.
		Check that the MMAC has
	Loss of power to	adequate power. Some
	the MMAC.	configurations, especially those
		including FDDI modules, require
		that more than one power supply
		be installed in the MMAC.
All LEDs are off.		Check to see that all power supply
		LEDs are green.
	EMM-E6 not	Re-install EMM-E6 in hub
	properly	according to instructions in
	installed.	Chapter 3.
	EMM-E6	Examine EMM-E6 backplane
	connector pin	connectors for evidence of bent or
	damage.	broken pins.
	MMAC power	Contact Cabletron Systems
	bus failure.	Technical Support.
	Incorrect	Review terminal or emulation
		settings for accordance with
No Local	terminal setup.
		requirements.
Management
	Improper
Password Screen.		Refer to Appendix A for proper
	console cable
		console port pinouts.
	pinout.

4-4 EMM-E6 Installation Guide