Troubleshooting Checklist - Cabletron Systems SmartSwitch 8H02-16 User Manual

4.3

TROUBLESHOOTING 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.
Problem
All LEDs are OFF.
No Local
Management
Password screen.
Cannot contact the
8H02-16 from
in-band
management.
Port(s) goes into
standby for no
apparent reason.
User parameters
(IP address, Device
and Module name,
etc.) are lost when
the 8H02-16 is
powered down or
the front panel
RESET button is
pressed.
8H02-16 User's Guide
Table 4-4 Troubleshooting Checklist
Possible Cause
Loss of Power to the
8H02-16.
8H02-16 not properly
installed.
Autobaud not enabled.
Terminal setup is not
correct.
Improper console cable
pinouts.
Improper Community
Names Table.
8H02-16 does not have
an IP address.
Port is disabled.
No link to device.
8H02-16 detects a
looped condition.
Position of the NVRAM
RESET switch was
changed before the last
power down or pressing
of the RESET button,
causing the user-entered
parameters to reset to
factory default settings.
Troubleshooting Checklist
Recommended Action
Check the proper connection
of the power cable and its
access to a live outlet.
Check the installation.
Press ENTER (RETURN)
(may take up to four times).
Refer to Chapter 5 for proper
setup procedures.
Refer to Appendix A for
proper console port pinouts.
Refer to Chapter 6
for Community Names Table
setup.
Refer to Chapter 6 for IP
address assignment
procedure.
Enable port.
Check link to device.
Discuss these configurations
with Cabletron Systems
Technical Support before
implementing them into your
network.
Reenter the lost parameters
as necessary. Call Cabletron
Systems Technical Support if
problem continues.
4-5