Cabletron Systems EMM-E6 - Manual (Page 44)

Chapter 4: Troubleshooting
4-4 EMM-E6 Installation Guide
4.2 TROUBLESHOOTING 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
All LEDs are off.
Loss of power to
the MMAC.
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
adequate power. Some
configurations, especially those
including FDDI modules, require
that more than one power supply
be installed in the MMAC.
Check to see that all power supply
LEDs are green.
EMM-E6 not
properly
installed. Re-install EMM-E6 in hub
according to instructions in
Chapter 3.
EMM-E6
connector pin
damage. Examine EMM-E6 backplane
connectors for evidence of bent or
broken pins.
MMAC power
bus failure. Contact Cabletron Systems
Technical Support.
No Local
Management
Password Screen.
Incorrect
terminal setup.
Review terminal or emulation
settings for accordance with
requirements.
Improper
console cable
pinout.
Refer to Appendix A for proper
console port pinouts.
ICH1Book Page 4 Tuesday, August 6, 1996 3:06 PM